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How Python web frameworks, WSGI and CGI fit together
...POST-oriented input as a file-like object in the environment. It also provides you a function that will formulate the response, saving you from a lot of formatting details.
What do I need to know / install / do if I want to run a web framework (say web.py or cherrypy) on my basic CGI configuration...
Regular expression to match DNS hostname or IP Address?
... expressions separately or by combining them in a joint OR expression.
ValidIpAddressRegex = "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$";
ValidHostnameRegex = "^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za...
Understanding the Event Loop
...run something asynchronously is by invoking one of the async functions provided by the node core library. Even if you are using an npm package that defines it's own API, in order to yield the event loop, eventually that npm package's code will call one of node core's async functions and that's when ...
Check if my app has a new version on AppStore
... infoDictionary = [[NSBundle mainBundle] infoDictionary];
NSString* appID = infoDictionary[@"CFBundleIdentifier"];
NSURL* url = [NSURL URLWithString:[NSString stringWithFormat:@"http://itunes.apple.com/lookup?bundleId=%@", appID]];
NSData* data = [NSData dataWithContentsOfURL:url];
N...
Twitter bootstrap modal-backdrop doesn't disappear
...you can always force it to go away by doing the following:
$('#your-modal-id').modal('hide');
$('body').removeClass('modal-open');
$('.modal-backdrop').remove();
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When is an interface with a default method initialized?
...tends J {
int k = Test.out("k", 5);
}
class Test {
public static void main(String[] args) {
System.out.println(J.i);
System.out.println(K.j);
}
static int out(String s, int i) {
System.out.println(s + "=" + i);
return i;
}
}
Its expected output i...
How does type Dynamic work and how to use it?
...cs
or set the compiler option -language:dynamics because the feature is hidden by default.
selectDynamic
selectDynamic is the easiest one to implement. The compiler translates a call of foo.bar to foo.selectDynamic("bar"), thus it is required that this method has an argument list expecting a Str...
Is cout synchronized/thread-safe?
... use of these objects and streams by
multiple threads if they wish to avoid interleaved characters. — end note ]
So, you won't get corrupted streams, but you still need to synchronize them manually if you don't want the output to be garbage.
...
What does “fragment” mean in ANTLR?
...ll never be counted as a token, it only serves to simplify a grammar.
Consider:
NUMBER: DIGITS | OCTAL_DIGITS | HEX_DIGITS;
fragment DIGITS: '1'..'9' '0'..'9'*;
fragment OCTAL_DIGITS: '0' '0'..'7'+;
fragment HEX_DIGITS: '0x' ('0'..'9' | 'a'..'f' | 'A'..'F')+;
In this example, matching a NUMBER w...
How to detect if my shell script is running through a pipe?
...t supported. Tried wrapping it in an analogous begin; ...; end, but that did not seem to work, and just ran the positive code block again. Thought I might need to use status but that doesn't seem to check for piping. I guess I essentially want to check if STDOUT of a preceding command/script is n...