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Why do you not use C for your web apps?
...buffer overflows, having a compile stage between the edit and test stages, etc).
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Reference — What does this symbol mean in PHP?
... @Lotus - I consider it a fun fact. If you're a beginner to PHP, or C++, etc, it seems pretty wacky that ++i and i++ are different enough to work at different speeds. I found it fascinating.
– Peter Ajtai
Dec 9 '10 at 10:47
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Reference: What is variable scope, which variables are accessible from where and what are “undefined
...hat of superglobals, including the commonly used $_POST, $_GET, $_SESSION, etc. These variables are arrays that are always available, in any scope, without a global declaration.
For example, this function will print out the name of the user running the PHP script. The variable is available to the f...
getenv() vs. $_ENV in PHP
...or the getenv function, this is because there are three ways that PHP can fetch the environment variable:
Via sapi_getenv (e.g. if it's getting the environment variable from Apache)
If on Windows, from GetEnvironmentVariableA.
If on non-Windows, from the getenv function provided by libc.
As far ...
Set cURL to use local virtual hosts
...lookup returned the data in your command-line option. It works just like /etc/hosts should.
Note --resolve takes a port number, so for HTTPS you would use
curl --resolve 'yada.com:443:127.0.0.1' https://yada.com/something
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PHP memory profiling
...libjudydebian1
sudo pecl install memprof
echo "extension=memprof.so" > /etc/php5/mods-available/memprof.ini
sudo php5enmod memprof
service apache2 restart
And then in my code:
<?php
memprof_enable();
// do your stuff
memprof_dump_callgrind(fopen("/tmp/callgrind.out", "w"));
Finally open t...
Dynamically generating a QR code with PHP [closed]
...he Google API?. I mean limitations as: amount of requests in a given time, etc.
– Lobo
Sep 27 '12 at 15:11
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How can I parse a JSON file with PHP? [duplicate]
...f an object. And with that array, you can do whatever you want, like loops etc.
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C++静态和多态，亦敌亦友 - C/C++ - 清泛网 - 专注C/C++及内核技术
...平共存，时而协同工作。
老规矩，还是一小段代码提出问题，当一个虚成员函数（多态性）在其子类中被声明为静态成员函数时（或相反过来），会发生什么？
1、当虚函数遭遇静态函数
#include <iostream>
using namespace std;
cla...
Returning JSON from PHP to JavaScript?
...d then print it, assing it to a variable for later use, save it to a file, etc... You can read more about return in PHP: Returning values. Also you can (and should!) check for what each function you don't know returns, see our example json_encode() it states Returns a JSON encoded string on success ...