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Any gotchas using unicode_literals in Python 2.6?
... = b'\xa4'
assert eval(repr(bstr)) == bstr # fails in Python 2.7, holds in 3.1+
ustr = '\xa4'
assert eval(repr(ustr)) == ustr # holds in Python 2.7 and 3.1+
The second assertion happens to work, since repr('\xa4') evaluates to u'\xa4' in Python 2.7.
...
Case objects vs Enumerations in Scala
...The following items from the enumeration definition are not available:
3.1 - It would be quite nice if a member could also be retrieved with its case insensitive name
7 - Thinking beyond Java's Enum, it would be nice to be able to explicitly leverage Scala's pattern matching exhaustiveness che...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...;
if (!$fp) {
return false;
} else {
$request = "GET $query HTTP/1.1\r\n";
$request .= "Host: $url[host]\r\n";
$request .= "Connection: Close\r\n";
if($cookie) $request.="Cookie: $cookie\n";
$request.="\r\n";
fwrite($fp,$request);
while()) {
$result .= @fgets($fp, 1...
How to pass arguments into a Rake task with environment in Rails? [duplicate]
...s.message}"
end
Updated per @Peiniau's comment below
As for Rails > 3.1
task :t, arg, :needs => [deps] # deprecated
Please use
task :t, [args] => [deps]
share
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improve this ans...
Array extension to remove object by value
...Ant", "Fish", "Cat"]
myArray = myArray.arrayRemovingObject("Cat" )
Swift 3.1 update
Came back to this now that Swift 3.1 is out. Below is an extension which provides exhaustive, fast, mutating and creating variants.
extension Array where Element:Equatable {
public mutating func remove(_ ite...
Get url without querystring
...ect because it has not method Uri.GetLeftPart. Latest version of NET Core (1.1) should have that method (cant confirm because i'm not on net core 1.1 for now)
– psulek
Mar 23 '17 at 11:28
...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
... animations:^{
v.transform = CGAffineTransformMakeScale(1.1, 1.1);
} completion:^(BOOL finished) {
v.transform = CGAffineTransformIdentity;
}];
Even though in the end there was no change in the view's size, merely setting its transform causes layout to happen, and constraint...
Multiple variables in a 'with' statement?
...
It is possible in Python 3 since v3.1 and Python 2.7. The new with syntax supports multiple context managers:
with A() as a, B() as b, C() as c:
doSomething(a,b,c)
Unlike the contextlib.nested, this guarantees that a and b will have their __exit__()'s...
How does HTTP file upload work?
...ated the headers for brevity):
POST /upload?upload_progress_id=12344 HTTP/1.1
Host: localhost:3000
Content-Length: 1325
Origin: http://localhost:3000
... other headers ...
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryePkpFF7tjBAqx29L
------WebKitFormBoundaryePkpFF7tjBAqx29L
Co...
How to serve an image using nodejs
... var body = 'Method not implemented';
con.write('HTTP/1.1 501 Not Implemented\n');
con.write('Content-Type: text/plain\n');
con.write('Content-Length: '+body.length+'\n\n');
con.write(body);
con.destroy();
...