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What are some (concrete) use-cases for metaclasses?
...ate methods, than to do something like:
class PlottingInteractive:
add_slice = wrap_pylab_newplot(add_slice)
This method doesn't keep up with API changes and so on, but one that iterates over the class attributes in __init__ before re-setting the class attributes is more efficient and keeps t...
What is a “callable”?
...allable is anything that can be called.
The built-in callable (PyCallable_Check in objects.c) checks if the argument is either:
an instance of a class with a __call__ method or
is of a type that has a non null tp_call (c struct) member which indicates callability otherwise (such as in functions,...
How do you run NUnit tests from Jenkins?
...:: any other command
: fail_build
endlocal
exit %ERRORLEVEL%
Reference: http://www.greengingerwine.com/index.php/2013/01/tip-check-errorlevel-in-your-post-build-steps-when-using-nunit/
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What is the meaning of single and double underscore before an object name?
...owever, nothing special is done with the name itself.
To quote PEP-8:
_single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore.
Double Underscore (Name Mangling)
From the Python docs:
Any identifier of th...
Django get the static files URL in view
...uest.build_absolute_uri(staticfiles_storage.url('my-static-image.png'))
# 'http://localhost:8000/static/my-static-image.png'
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Debugging Scala code with simple-build-tool (sbt) and IntelliJ
...r? The documentation from "RunningSbt" from sbt's google code site lists commands for running the main class for a project or the tests, but there seem to be no commands for debugging.
...
How to check file MIME type with javascript before upload?
...);
}
function getRemoteFileHeader(url, callback) {
var xhr = new XMLHttpRequest();
// Bypass CORS for this demo - naughty, Drakes
xhr.open('GET', '//cors-anywhere.herokuapp.com/' + url);
xhr.responseType = "blob";
xhr.onload = function() {
callback(url, xhr.response);
};
...
How do I remove documents using Node.js Mongoose?
...been updated) that this bypasses middleware - see the bottom of mongoosejs.com/docs/middleware.html - so be careful, using this method can cause serious, hard to track down issues.
– Jed Watson
May 13 '14 at 7:25
...
Static methods in Python?
...wed in other languages, but it is anyway considered a bad practice and the compiler always warns about it
– SomethingSomething
May 22 '17 at 15:40
...
一分钟读懂低功耗蓝牙(BLE) MTU交换数据包 - 创客硬件开发 - 清泛IT社区，...
... 下载链接：
http://www.viewtool.com/index.php/22-2016-07-29-02-11-32/205-hollong-4-0-4-1-ble
4. MTU 请求（REQEUST）
完整数据（以下关注蓝色标注部分）
1) 存...