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Add to Array jQuery
...= [];
a.push(12);
a.push(32);
For jQuery objects, there's add().
$('div.test').add('p.blue');
Note that while push() modifies the original array in-place, add() returns a new jQuery object, it does not modify the original one.
...
Why does the MongoDB Java driver use a random number generator in a conditional?
...zed to negative 1:
private int logit = -1;
In the try block, make the test:
if( !ok && (logit = (logit + 1 ) % 10) == 0 ) { //log error
This always logs the first error, then every tenth subsequent error. Logical operators "short-circuit", so logit only gets incremented on an actua...
App Inventor 2 实现上传文件到服务器全方案总结 · App Inventor 2 中文网
...端代码参考：
Node.js 与 Python 的路径同为 /PicXfer.php?pic=test.png，用 PostFile 发送原始字节，返回文件名、写入字节数和耗时。文件保存在脚本旁的 test/ 目录（可用 UPLOAD_DIR 更改）。
Node.js 对应实现
保存为 pic-x...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...n modify it in about 8 seconds using Modify Headers for Google Chrome.
To test this, I set up two Client domains and one Server domain. I included a CORS whitelist on the Server, which allowed CORS requests from Client 1 but not from Client 2. I tested both clients, and indeed Client 1's CORS reque...
How to make an element in XML schema optional?
...
Indeed, tested it, and you only need to specify minOccurs="0" to make it optional if you want to allow one element max.
– Wouter Schut
Jan 10 '17 at 8:42
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How to get the title of HTML page with JavaScript?
...
Use document.title:
console.log(document.title)
<title>Title test</title>
MDN Web Docs
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NameError: name 'self' is not defined
...ach other.
It's a common pattern to default an argument to None and add a test for that in code:
def p(self, b=None):
if b is None:
b = self.a
print b
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How to use glOrtho() in OpenGL?
... that range, it will appear to have no effect on the position except for Z tests.
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Where in a virtualenv does the custom code go?
... you have multiple applications using the same virtualenv. Or, you may be testing an application with a virtualenv that will later be deployed with a system Python. Or, you may be packaging up a standalone app where it might make sense to have the virtualenv directory located somewhere within the ...
setuptools vs. distutils: why is distutils still a thing?
...-patches the distutils Python package. It should work well with pip. The latest version was released in July 2013.
So, as you can see setuptools should be preferred to distutils, and I see where your question comes from, however I don't see distutils losing support anytime soon, as, simply put, it...