601 ：名無しさん＠お腹いっぱい。：2012/07/10(火) 15:04:00.62 今月はじめ、職場に古いパソコン(i486DX2の結構ローエンド構成)が入りました。 多分私が運用保守をまかされそうな雰囲気です。業務的にとある構造分析や シミュレーションなど行う必要がありハードにパソコン系を採用するのは聞いていたの ですが、搬入されたパソコンのダンホール箱に印刷されていたのはPC-9801という 文字でした。 「うへぇ～、よりによって98かよ」 NetBSD/OpenBSDインストール不可、Solarisも不可、SATA-HDDからブートできるのか、 今時のLCDディスプレイにつながるのか、FreeBSD9.xは対応してるのか、 今時のネットに繋いでもセキュリティは大丈夫なのか不安はつきませんし、 非メジャーなのでネット上の情報も少なく調べるのも大変です。 おそらく導入に際して、大学など教育機関で最初にそれに触れて刷りこまれた人間が 強気の知ったかぶりをして発言権を得て「俺流」をつらぬき紛れ込ませたのでしょう。 昔、当時、唯一コンソールでの漢字ROMによる日本語表示ができたPC-98は大学など 教育機関に浸透していて、日本のパソコン界に多くのバカを輩出しました。 これから私は、おそらくそういうバカが、makeしてもemacsが入らない、 TeXが入らない、firefoxは使えないのか、Rubyが使えないのかなどと、 サバ管気取りの偏ったどうでもいい我侭を言い出し、(だから鯖にするんじゃねーよ、 鯖の常識で話すなつーのに)それと戦わなければならないのでしょう。 そして時代によって決着している、過去20年のパソコン界隈のくだらないそれらの 議論が再現され、それに巻き込まれるのでしょう。もう今からうんざりです。 だからお願いです。教育現場ではPC/ATでもSPARCでもPA-RISCでも PowerPCでもなんでもいいですがメジャーかつ現行のマシンにしてください。 教育機関で懐古趣味のバカを量産されると現場が非常に苦労するのです。
737 ：名無しさん＠お腹いっぱい。：2012/09/16(日) 16:27:31.40 今月はじめ、職場に新しい組み込みマシン(ファンレスの結構省電力構成)が入りました。 多分私が開発全般をまかされそうな雰囲気です。業務的にとある構造分析や シミュレーションなど行う必要があり、プログラムにアセンブラを使用するのは 聞いていたのですが、添付のサンプルソースコードからチラッと見えたのは LD A,(HL)という命令でした。 「うへぇ～、よりによってZ80かよ」 アドレッシングモード皆無、リロケート不可、使いにくいインデックスレジスタ、 今時の関数引数のスタック渡しに対応できるのか不安はつきませんし、 今の若者はこんなCPU使わないので人材も少なくソフト開発も大変です。 おそらく導入に際して、大学など教育機関で最初にZ80に触れて刷りこまれた人間が 強気の知ったかぶりをして発言権を得て「俺流」をつらぬき紛れ込ませたのでしょう。 昔、当時、8bitCPUでi8080上位互換でi8085よりも多くのツギハギ命令を追加拡張した Z80は大学など教育機関に浸透していて、日本のCPU界に多くのバカが輩出しました。 これから私は、おそらくそういうバカが、ADD A,(HL)はできるのにADD B,(HL)は できないのかとか、相対アドレスのCALL命令はないのとか、 スタックフレームポインタとして使いたいのにLD HL,SPっていう命令ないじゃんとか、 アセンブラ通気取りの偏ったどうでもいい我侭を言い出し(だからZ80使うんじゃねーよ) それと戦わなければならないのでしょう。そして時代によって決着している、 過去30余年のCPU界隈のくだらないそれらの議論が再現され、それに巻き込まれるの でしょう。もう今からうんざりです。 だからお願いです。教育現場ではi386でもi568でもi686でも x86_64でもなんでもいいですが現行のCPUにしてください。 教育機関で懐古趣味のバカを量産されると現場が非常に苦労するのです。
134 ：名無しさん＠お腹いっぱい。：2012/07/15(日) 14:17:53.53 今月はじめ、職場に新しいPC(Core i7の結構ハイエンド構成)が入りました。 多分私が運用保守をまかされそうな雰囲気です。業務的にとある構造分析や シミュレーションなど行う必要があり、X Window System上のアプリケーションを 使用するのは聞いていたのですが、OSを起動して黒いバックに白い文字だけの 英語の画面に表示されていたのはlogin:というプロンプトでした。 「うへぇ～、よりによってxinit方式かよ」 CUIログインなんて古い、コマンド入力なんて古い、今の奴は日本語入力設定大丈夫 なのか(XMODIFIERS)、今時のマルチシート環境に対応できるのか不安はつきませんし、 xinitユーザーが少ないのでネット上の情報も少なく調べるのも大変です。 おそらく導入に際して、大学など教育機関で最初にxinitに触れて刷りこまれた人間が 強気の知ったかぶりをして発言権を得て「俺流」をつらぬき紛れ込ませたのでしょう。 昔、当時、X11で唯一$HOME/.xinitrcを手書きするというCUI的方法で環境設定できた xinit方式は大学など教育機関に浸透していて、日本のX11界に多くのバカが輩出しました。 これから私は、おそらくそういうバカが、GNOME/KDEはどうやって起動するのか、 ウィンドウマネージャを終了したらXごと落ちたとか、ck-xinit-sessionはないのか などと、X11通気取りの偏ったどうでもいい我侭を言い出し(だからxinit方式にするん じゃねーよ)それと戦わなければならないのでしょう。そして時代によって 決着している、過去25年のX11界隈のくだらないそれらの議論が再現され、 それに巻き込まれるのでしょう。もう今からうんざりです。 だからお願いです。教育現場ではgdmでもkdmでもwdmでも xdmでもなんでもいいですがグラフィカルなディスプレイマネージャにしてください。 教育機関で懐古趣味のバカを量産されると現場が非常に苦労するのです。
383 ：名無しさん＠お腹いっぱい。：2012/07/12(木) 19:20:13.06 今月はじめ、職場に新しいPC(Core i7の結構ハイエンド構成)が入りました。 多分私が運用保守をまかされそうな雰囲気です。業務的にとある構造分析や シミュレーションなど行う必要があり、制御コマンドとしてシェルスクリプトを 使用するのは聞いていたのですが、そのファイルを開いて1行目に書かれていたのは #!/bin/tcshという文字列でした。 「うへぇ～、よりによってtcshかよ」 ファイル記述子のリダイレクト不可、クオートのネスティング等に無理あり、 今の奴でさえシェル関数は使えないし、パイプラインの終了ステータスもおかしいし、 今時の担当者が扱ってセキュリティは大丈夫なのか不安はつきませんし、 スクリプトとしてのcshは嫌われるのでネット上の情報も少なく調べるのも大変です。 おそらく導入に際して、大学など教育機関で最初にcshに触れて刷りこまれた人間が 強気の知ったかぶりをして発言権を得て「俺流」をつらぬき紛れ込ませたのでしょう。 昔、当時、シェルで唯一aliasやhistoryやジョブコントロールの機能が使えた cshは大学など教育機関に浸透していて、日本のシェル界に多くのバカを輩出しました。 これから私は、おそらくそういうバカが、$*でスペース入りファイル名が扱えないとか $<でファイルから読めないのかとか、if文の条件式のコマンドでリダイレクト できないのかなどと、シェル通気取りの偏ったどうでもいい我侭を言い出し (だからcshスクリプト書くんじゃねーよ)それと戦わなければならないのでしょう。 そして時代によって決着している、過去25年のシェル界隈のくだらないそれらの議論が 再現され、それに巻き込まれるのでしょう。もう今からうんざりです。 だからお願いです。教育現場ではbashでもzshでもkshでもashでも Bourne shでもなんでもいいですがBシェル系のシェルにしてください。 教育機関で懐古趣味のバカを量産されると現場が非常に苦労するのです。
It had been a little situation of one's before one of the many high-end camera makers learned the particular Live life Access manner with a DIGITAL SLR requested a good online video media picture after which you can created a way to help you listing the item. Olympus seemed to be hinting at the capability in Present cards 2006, as soon as E-330 (the very first video camera by means of survive viewing) is released. Nonetheless Nikon was towards the blog post while using the D90 along with Cannon is definitely soon after along with the just-announced Canon EOD 5D Mark II Battery.
Typically the 12. 3-megapixel D90 carries LARGE DEFINITION online video from a conclusion with 1280 back button 720 pixels at 27 frames/second using the understanding and also depth-of-field restrain which usually simply a DIGITAL SLR offer. Naturally, Nikon isn't going to space an expensive precedence about this skill (and not undertake most people, finding the software when alot more of the adjunct you'll take advantage of once in a while, than only a main objective just for obtaining that D90). But, because this can be a 'world first', Photography Analyze is going to tackle the application ahead of moving on that will alternative further important qualities.
Virtually no owner guide book was initially supplied with a analysis camera still (after some hassles) most of us made it possible to down load an important PDF FILE type from Nikon European union ?nternet site. Surprisingly, this manually operated exclusively devotes one-and-a-half of 270 pages of content for you to video clip producing tasks and approximately a couple thirds of the site to help you videos playback. Less a page can be specified up to a show frame proportions in addition to appear possible choices : the 120 websites following on from the primary arguments belonging to the video clip manner.
Training video in any DIGITAL CAMERA is really a important loan -- primarily for the Nikon D90 Battery cost. Beforehand, any time you required a fabulous video camera by using compatible contact lenses, which you were taking a look at round $7000 for just a unit which will would not quite possibly track record high-definition, widescreen picture. However the D90 presents way more for just a cheaper package price by providing visitors while using same sorts of manipulate in excess of centering, subjection and additionally depth-of-field like they have having a DIGITAL CAMERA digicam, combined internet site snap by using almost any Nikkor website.
But, the actual D90's online video media model is absolutely not fantastic. As movie can certainly sole often be captured throughout Are located Perspective application, you are jammed aided by the prohibitions this means that (see below). The actual noise is normally taped monaurally and then the video recording formatting is certainly AVI which will, even though it truly is best with a large number of updating functions, uses so much ram (roughly 400MB for minute). Within assessments, some 24-second cut saved for 1280 times 720 LARGE DEFINITION method for 176 kbps appeared to be 40. 7MB dimensions.
Amazingly, this high-end camera works iwth using the premier random access memory playing cards. SOME SORT OF 32GB SDHC should help you track record as much as sixty units for training video, even though a different reduction is definitely which will video plans will be available to personal training minutes for HARLEY-DAVIDSON function and 20 short minutes with typical quality.
Saddest of can be the possibility that any autofocusing procedure :Nikon D90 Charger as well as some other primary adjustments - are not to be implemented if you find yourself photographing online video media. You can actually place emphasis quickly well before taking any preview not to mention make use of the manual place emphasis wedding ring within the contact lens even while photographing. Although if the content steps near as well as from everyone as long as you're taking, blurring might be unavoidable.
Different works that need to be placed well before taking a good movie involve getting exposed compensation, vivid white stability in addition to tact surroundings. For anyone utilizing aperture-priority AE, you can actually transformation a aperture functions even though tracking your movie and as well lens quality in and additionally available - nevertheless it will be hazardous seeing that sticking to center is usually hard.
Well before beginning online video grab you have to find the wished-for audio mode from Dvd movie Controls sub-menu while in the firing navigation. 3 selections are offered: 1280 back button 720 (16: 9), 640 back button 424 (3: 2) not to mention 320 x 216 (3: 2). You too can change this reasonable producing at as well as out (the default setting up might be ON).
check out. Prevent the theme presented plus centred throughout the taking progression.Nikon Coolpix S3100 Charger for anyone within information option, you can actually switch totally focus by hand while you step on the way to and / or clear of this issue. Cautious mainly vigilant while blasting close-ups when smallish differences within the place emphasis position can display simply because blurring on the content. (To confuse issues, you'll find it tough to ascertain if the appearance within the LCD is definitely pin-sharp through bright normal light while you can not use a viewfinder on Take up residence Check out manner. )
Taking part in lower back taped video tutorials is simple. Mass media all the LV control key the next time for you to disengage Live life Watch consequently touch typically the review button in the software. Make use of the arrow mattress pad to pick out your snap you need to have fun with not to mention press RIGHT to begin the process preventing this video clip playback.
Digital cameras are made in a wide range of sizes, prices and capabilities. The majority are camera phones, operated as a mobile application through the cellphone menu. Professional photographers and many amateurs use larger, more expensive digital single-lens reflex cameras (DSLR) for their greater versatility. Between these extremes lie digital compact cameras and bridge digital cameras that "bridge" the gap between amateur and professional cameras. Specialized cameras including multispectral imaging equipment and astrographs continue to serve the scientific, military, medical and other special purposes for which digital photography was invented.
Compact cameras are designed to be tiny and portable and are particularly suitable for casual and "snapshot" uses. Hence, they are also called point-and-shoot cameras. The smallest, generally less than 20 mm thick, are described as subcompacts or "ultra-compacts" and some are nearly credit card size.
Most, apart from ruggedized or water-resistant models, incorporate a retractable lens assembly allowing a thin camera to have a moderately long focal length and thus fully exploit an image sensor larger than that on a camera phone, and a mechanized lens cap to cover the lens when retracted. The retracted and capped lens is protected from keys, coins and other hard objects, thus making it a thin, pocketable package. Subcompacts commonly have one lug and a short wrist strap which aids extraction from a pocket, while thicker compacts may have two lugs for attaching a neck strap.
Compact cameras are usually designed to be easy to use, sacrificing advanced features and picture quality for compactness and simplicity; images can usually only be stored using lossy compression (JPEG). Most have a built-in flash usually of low power, sufficient for nearby subjects. Live preview is almost always used to frame the photo. Most have limited motion picture capability. Compacts often have macro capability and zoom lenses but the zoom range is usually less than for bridge and DSLR cameras. Generally a contrast-detect autofocus system, using the image data from the live preview feed of the main imager, focuses the lens.
For lower cost and smaller size, these cameras typically use image sensors with a diagonal of approximately 6 mm, corresponding to a crop factor around 6. This gives them weaker low-light performance, greater depth of field, generally closer focusing ability, and smaller components than cameras using larger sensors.
Starting in 2011, some compact digital cameras can take 3D still photos. These 3D compact stereo cameras can capture 3D panoramic photos for play back on a 3D TV. Some of these are rugged and waterproof, and some have GPS, compass, barometer and altimeter. 
Main article: Bridge camera
Bridge are higher-end digital cameras that physically and ergonomically resemble DSLRs and share with them some advanced features, but share with compacts the use of a fixed lens and a small sensor. Like compacts, most use live preview to frame the image. Their autofocus uses the same contrast-detect mechanism, but many bridge cameras have a manual focus mode, in some cases using a separate focus ring, for greater control. They originally "bridged" the gap between affordable point-and-shoot cameras and the then unaffordable earlier digital SLRs.
Due to the combination of big physical size but a small sensor, many of these cameras have very highly specified lenses with large zoom range and fast aperture, partially compensating for the inability to change lenses. On some, the lens qualifies as superzoom. To compensate for the lesser sensitivity of their small sensors, these cameras almost always include an image stabilization system to enable longer handheld exposures.
These cameras are sometimes marketed as and confused with digital SLR cameras since the appearance is similar. Bridge cameras lack the reflex viewing system of DSLRs, are usually fitted with fixed (non-interchangeable) lenses (although some have a lens thread to attach accessory wide-angle or telephoto converters), and can usually take movies with sound. The scene is composed by viewing either the liquid crystal display or the electronic viewfinder (EVF). Most have a longer shutter lag than a true dSLR, but they are capable of good image quality (with sufficient light) while being more compact and lighter than DSLRs. High-end models of this type have comparable resolutions to low and mid-range DSLRs. Many of these cameras can store images in a Raw image format, or processed and JPEG compressed, or both. The majority have a built-in flash similar to those found in DSLRs.
In bright sun, the quality difference between a good compact camera and a digital SLR is minimal but bridgecams are more portable, cost less and have a similar zoom ability to dSLR. Thus a Bridge camera may better suit outdoor daytime activities, except when seeking professional-quality photos.
In low light conditions and/or at ISO equivalents above 800, most bridge cameras (or megazooms) lack in image quality when compared to even entry level DSLRs. However, they do have one major advantage: their much larger depth of field due to the small sensor as compared to a DSLR, allowing larger apertures with shorter exposure times.
In late 2008, a new type of camera emerged, combining the larger sensors and interchangeable lenses of DSLRs with the live-preview viewing system of compact cameras, either through an electronic viewfinder or on the rear LCD. These are simpler and more compact than DSLRs due to the removal of the mirror box, and typically emulate the handling and ergonomics of either DSLRs or compacts. The system is used by Micro Four Thirds, borrowing components from the Four Thirds DSLR system.
Main article: Digital single-lens reflex camera
Digital single-lens reflex cameras (DSLRs) are digital cameras based on film single-lens reflex cameras (SLRs). They take their name from their unique viewing system, in which a mirror reflects light from the lens through a separate optical viewfinder. At the moment of exposure the mirror flips out of the way, making a distinctive "clack" sound and allowing light to fall on the imager.
Since no light reaches the imager during framing, autofocus is accomplished using specialized sensors in the mirror box itself. Most 21st century DSLRs also have a "live view" mode that emulates the live preview system of compact cameras, when selected.
These cameras have much larger sensors than the other types, typically 18 mm to 36 mm on the diagonal (crop factor 2, 1.6, or 1). This gives them superior low-light performance, less depth of field at a given aperture, and a larger size.
They make use of interchangeable lenses; each major DSLR manufacturer also sells a line of lenses specifically intended to be used on their cameras. This allows the user to select a lens designed for the application at hand: wide-angle, telephoto, low-light, etc. So each lens does not require its own shutter, DSLRs use a focal-plane shutter in front of the imager, behind the mirror.
Main article: Rangefinder camera#Digital rangefinder
A rangefinder is a user-operated optical mechanism to measure subject distance once widely used on film cameras. Most digital cameras measure subject distance automatically using electro-optical techniques, but it is not customary to say that they have a rangefinder.
A line-scan camera is a camera device containing a line-scan image sensor chip, and a focusing mechanism. These cameras are almost solely used in industrial settings to capture an image of a constant stream of moving material. Unlike video cameras, line-scan cameras use a single row of pixel sensors, instead of a matrix of them. Data coming from the line-scan camera has a frequency, where the camera scans a line, waits, and repeats. The data coming from the line-scan camera is commonly processed by a computer, to collect the one-dimensional line data and to create a two-dimensional image. The collected two-dimensional image data is then processed by image-processing methods for industrial purposes.
Many devices include digital cameras built into or integrated into them. For example, mobile phones often include digital cameras; those that do are known as camera phones. Other small electronic devices (especially those used for communication) such as PDAs, laptops and BlackBerry devices often contain an integral digital camera, and most 21st century camcorders can also make still pictures.
Due to the limited storage capacity and general emphasis on convenience rather than image quality, almost all these integrated or converged devices store images in the lossy but compact JPEG file format.
Mobile phones incorporating digital cameras were introduced in Japan in 2001 by J-Phone. In 2003 camera phones outsold stand-alone digital cameras, and in 2006 they outsold all film-based cameras and digital cameras combined. These camera phones reached a billion devices sold in only five years, and by 2007 more than half of the installed base of all mobile phones were camera phones. Sales of separate cameras peaked in 2008. 
Integrated cameras tend to be at the very lowest end of the scale of digital cameras in technical specifications, such as resolution, optical quality, and ability to use accessories. With rapid development, however, the gap between mainstream compact digital cameras and camera phones is closing, and high-end camera phones are competitive with low-end stand-alone digital cameras of the same generation.
Waterproof digital cameras are digital cameras that can make pictures underwater. Waterproof housings have long been made but they cost almost as the cameras. Many waterproof digital cameras are shockproof and resistant to low temperatures; one of them is Canon PowerShot D10, one of the first underwater digital cameras.
These cameras become very popular during the holiday season, because many people want to save the best moments from their holidays at the seaside. Waterproof watches and mobile phones were produced earlier. Most makers of digital cameras also produce waterproof ones and every year they launch at least one new model, for example Sony, Olympus, Canon, Fuji.
Digital camera battery is the key for the key, second in importance only lens I’m afraid, and in order to photograph in your heart, a powerful battery to provide power as a follow-up is essential. But even the best battery time, if not properly carry out maintenance and maintenance, will not take long to lose the strong power, so battery maintenance is very important.
For a (section) digital camera battery for the duration of use, not just its quality, power on, in fact, the use of operations with the user also has great relevance. Most photographers are used after every use of the camera on the camera bag inside, or on the cupboard, took out the battery is not kept separately, this approach sounds fine, but not conducive to battery protection.
If more than 15 days do not usually use the camera, it is best to remove the battery from the camera inside the store alone, save the environment, it is best to dry and cool place, and do not store the battery together with metal objects.
According to our survey, you can buy in the market most digital cameras use lithium batteries, it is relatively easy to store. The only caveat is that if not used for long, preferably at intervals of 2 months to activate a battery, which is the charge and discharge time, this can effectively extend battery life.
As for the Ni-MH battery 5, the most annoying is the memory effect, this effect will reduce the overall battery capacity and the use of time, and as time goes on, less and less stored charge, the battery will consume the more you have to faster. Therefore, we should try to run out of power rechargeable, each charge must be sufficient to power the most full.
If you go out, the temporary use of alkaline batteries, we must remember that time out, or when unused for long periods, the battery is easy to Tangshui corrosion circuit, the digital camera battery could not escape the destiny scrapped.
For users of alkaline batteries, already mentioned above, remember the point is finished using the digital camera, remove the battery must remember to avoid the phenomenon of cell sap and damage the machine.
As for the use of rechargeable nickel-metal hydride batteries and lithium users. Battery charge is very particular about, bought back the batteries are generally very low or no power consumption, the first charge must be adequate. Lithium battery charging time is generally longer than 8 hours, while the Ni-MH battery charging time is generally more than 16 hours. To achieve best results, that is, the battery has reached its maximum capacity, generally more than 3 times repeated charge-discharge can. Battery with three times, the best opportunity to find a completely exhausted battery to charge again, try not to charge the battery when there are remnants of repeated charge, or will shorten battery life. After the battery charge is generally more heat, it is best to be cool and then into the camera battery.
In addition, in order to avoid the loss of electricity, the use of nickel-metal hydride battery user, charging is completed, remove the battery, do not let the battery contact with the conductor while the positive and negative poles, for example, do not use your fingers touch both ends of the battery. The use of lithium users should try to keep the camera inside the battery positive and negative battery contacts clean, if necessary, wipe with a dry cloth and then gently wipe the battery.
Also note that, even if the user is to use lithium batteries, digital camera in a long time when not in use, should be completely discharged, remove the battery, stored in a dry, cool environment. The other thing to note is that both the nickel-hydrogen batteries or lithium batteries using the user, it is best not to have a charged battery on the purse, pocket, bag or container with metal objects, in order to prevent short-circuit .
1, to avoid frequent use of flash: If you are not professional photographers, then, except in the invisible fingers of the night, the light intensity of an ordinary day for the average digital camera, it is enough.
2, try to avoid unnecessary zoom operation: zoom the camera lens stretched it out a reduction, is power digital camera battery. You can move the pace of hyperactivity, with “artificial zoom” approach instead of “camera zoom” to save power.
3, Do not let the screen has been lit: If the case of small power, can turn off the LCD screen, use the viewfinder to adjust the picture composition, is for a digital camera, LCD should be considered the most power-hungry components, general digital camera, LCD screen after closing time can be used when the original length of about 3 times.
4, less shooting and video: minimize the use of multi-shot feature and video capture video, as the completion of these functions is to use the built-in buffer body to temporarily save the screen shot, the power consumption a lot.
5, should not frequently open, shut down: Many users know that the display stays lit is power, so in order to save electricity use to frequent opening and shutdown. In fact, frequently open, shut down the electricity wasted consumption than bright display even more, especially for larger diameter lenses, but also requires a substantial expansion of the camera, the switch is power. Most digital cameras have automatic shutdown option, this setting should not be set too short, otherwise easily lead to frequent opening and shut down. Of course, frequent artificial opening, shut down and should be avoided.
6, optical image stabilization not normally open: Optical image stabilization is by driving the lens or image sensor pack components, offset by the subject matter images and the relative motion between the sensor achieved. Either way the optical image stabilization, would result in no small power consumption, in particular some models can be anti-shake mode is set to “always on” so that power loss will be caused by the more powerful. To this end, we have a good scene in the light should turn off the optical image stabilization feature, you must use, should also be less “always on” mode.