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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
...
...
What does the restrict keyword mean in C++?
...paper, it's interesting and worth the time.
Edit
I also found that IBM's AIX C/C++ compiler supports the __restrict__ keyword.
g++ also seems to support this as the following program compiles cleanly on g++:
#include <stdio.h>
int foo(int * __restrict__ a, int * __restrict__ b) {
retu...
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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How to extract numbers from a string in Python?
...th Scientific notation "[-+]?\d+[\.]?\d*[Ee]?\d*". Or some variation. Have fun!
– aidan.plenert.macdonald
Nov 6 '15 at 15:12
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