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Why are hexadecimal numbers prefixed with 0x?
...d parse these as octal, mangling the number before storing. To add to the fun, one popular database product would silently switch back to decimal parsing if the number contained an 8 or 9.
– Basic
Nov 24 '15 at 19:45
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javascript: Clear all timeouts?
...egers.
So you may clear all timeouts like so:
var id = window.setTimeout(function() {}, 0);
while (id--) {
window.clearTimeout(id); // will do nothing if no timeout with id is present
}
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Can I call a base class's virtual function if I'm overriding it?
... // ...
void printStuff() {
Foo::printStuff(); // calls base class' function
}
};
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what is the basic difference between stack and queue?
... of the queue and when one leaves they leave from the front of the queue.
Fun fact: the British refer to lines of people as a Queue
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Does Python support short-circuiting?
...hort-circuiting behavior in operator and, or:
Let's first define a useful function to determine if something is executed or not. A simple function that accepts an argument, prints a message and returns the input, unchanged.
>>> def fun(i):
... print "executed"
... return i
...
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What is the proper way to use the node.js postgresql module?
...obally, like this:
const pgp = require('pg-promise')(/*options*/);
const cn = {
host: 'localhost', // server name or IP address;
port: 5432,
database: 'myDatabase',
user: 'myUser',
password: 'myPassword'
};
// alternative:
// const cn = 'postgres://username:password@host:port/d...
Return value in a Bash function
I am working with a bash script and I want to execute a function to print a return value:
9 Answers
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Detect Browser Language in PHP
...sage:
//$_SERVER["HTTP_ACCEPT_LANGUAGE"] = 'en-us,en;q=0.8,es-cl;q=0.5,zh-cn;q=0.3';
// Languages we support
$available_languages = array("en", "zh-cn", "es");
$langs = prefered_language($available_languages, $_SERVER["HTTP_ACCEPT_LANGUAGE"]);
/* Result
Array
(
[en] => 0.8
[es] => ...
基于PECL OAuth打造微博应用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
<?php
session_start();
$request_token_url = 'http://api.t.sina.com.cn/oauth/request_token';
$authorize_url = 'http://api.t.sina.com.cn/oauth/authorize';
$access_token_url = 'http://api.t.sina.com.cn/oauth/access_token';
$oauth = new OAuth(
'YOUR_CONSUMER_KEY',
'YOUR_CONSU...
How to measure elapsed time in Python?
...e and then get the passed time, to measure the time it took to execute few function. I think I'm using the timeit module wrong, but the docs are just confusing for me.
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