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2018-04-17

Quick Tutorial for Pyramidをやってみる

PyramidPython向けWebフレームワーク

Quick Tutorial for Pyramid公式チュートリアル

https://docs.pylonsproject.org/projects/pyramid/en/latest/quick_tutorial/index.html

Prelude: Quick Project Startup with Cookiecutters

$ $VENV/bin/cookiecutter gh:Pylons/pyramid-cookiecutter-starter --checkout 1.9-branch

として、プロンプトの問いに答えるとサンプル的なアプリができる。

ghはgithubか。

引数指定できるテンプレートhttps://github.com/Pylons?q=pyramid-cookiecutter

sqlalchemyを使うものは分かるけど、zodbって何?

アプリは以下のようにして起動する。

$ env/bin/pserve development.ini --reload

このpserveというPythonモジュールアプリ動かしたりする。

01: Single-File Web Applications

超単純なPyramidアプリを作って、WSGIイメージをつかむ。

app.py を書き写して動かしたらHello Worldが動いた。

Analysisの項:
2. Lines 12-14. Use Pyramid's configurator in a context manager to connect view code to a particular URL route.

viewURLの紐付けはconfig.add_routeしてconfig.add_viewする。add_viewしてからadd_routeしても大丈夫だった。

3. Lines 6-8. Implement the view code that generates the response.

viewにはrequestが渡される。requestに色々入ってそう。

4. Lines 15-17. Publish a WSGI app using an HTTP server.

waitressは知らないけど、serveでHTTPサーバ作ってWSGIアプリを公開できるのかな?

Extra creditの項:
1. Why do we do this:
print('Incoming request')

...instead of:

print 'Incoming request'

Python3だから

2. What happens if you return a string of HTML? A sequence of integers?

Inernal Server Errorになった。アプリのほうではValueErrorresponseを返すようにと怒られていた。text/plainとか返すには何かしないとダメっぽい。

3. Put something invalid, such as print xyz, in the view function. Kill your python app.py with ctrl-C and restart, then reload your browser. See the exception in the console?

print(xyz)してみろ、ということかな。1と同じくInernal Server Errorになって、コンソールにはNameErrorが出た。

4. The GI in WSGI stands for "Gateway Interface". What web standard is this modelled after?

CGIかな?

2013-09-27

http://anond.hatelabo.jp/20130927005232

その意見には賛成だが、論点が違う。正直、目的手段はどっちであってもいい。私が問題にしているのは、バイアスの問題。若者思想を形成していく上で、世論なり親なり教育者なりが、英語は手段でしかないという方向に傾きそれが主流になるのは、おかしいのじゃないかと言っている。

I totally agree with your opinion but that's not the point. It's not essential whether purposes are more important than measures. What i'd like to discuss is about the problem of bias people have nowadays. It seems to me that there has been serious mistakes such as the view that learning English can't be any purposes, which are made by most of parents,teachers and opinion-poll in Japan.This sort of bias should be avoided especially in the process of teenager's growth.

2012-08-17

Macro Portrait digital photography In the region of Factors

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Handheld macro photographs is undoubtedly an knack. There are thumbs decrease dilemma of this type aided by the purpose with. It's going to take a legend associated with professional to try an item consequently regular then one consequently dismissible in addition to shape it in to something while using the goal involving entirely encapsulates an aspect of everyday living. Pro player together with the goal connected with is actually is it possible you recurring which will? Knack is definitely. Thumbs downwards knack consistently advertised to help include many of the facts in everyday life. Knack is actually a manifestation of this earth via the view on the actor or actress. By browsing by using a structure from knack these sort of similarly a digital macro digital photography, everyone get to express all the viewpoint connected with various other public and with a goal of can land on an exceedingly potent link. sell keyboard

One other home business in this field electronic macro taking pictures make sure you recognize is the plan connected with it is not straightforward. You want to consider a ration for points in just request in order to provide striking photographs. Is it possible you repeat the fact that? Are actually these things?HP G62-a31SO Keyboard

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2012-01-05

How to make digital camera battery more durable

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.

Battery Maintenance

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.

But note that lithium batteries because there is no memory effect, so do not discharge, otherwise it will damage the digital camera battery structure, loss of battery life.

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 .

Digital camera battery power Dafa:

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.

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