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深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...r(std::string &str) {
char *p = const_cast<char *> (str.c_str());
char q[1024];
while (*p != '\0') {
sprintf(q, "%02x, %u, %c", *p, *p, *p);
std::cout << q << std::endl;
p++;
}
}
（十六进制，无符号整形，字符型）
Shift-jis:
0xffffffb1, 4294967217, ｱ
Euc-jp:...
How to send a GET request from PHP?
I'm planning to use PHP for a simple requirement. I need to download a XML content from a URL, for which I need to send HTTP GET request to that URL.
...
Returning JSON from a PHP Script
I want to return JSON from a PHP script.
18 Answers
18
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Why does the PHP json_encode function convert UTF-8 strings to hexadecimal entities?
I have a PHP script that deals with a wide variety of languages. Unfortunately, whenever I try to use json_encode , any Unicode output is converted to hexadecimal entities. Is this the expected behavior? Is there any way to convert the output to UTF-8 characters?
...
How to configure XAMPP to send mail from localhost?
...n easily send mail from localhost.
for example you can configure C:\xampp\php\php.ini and c:\xampp\sendmail\sendmail.ini for gmail to send mail.
in C:\xampp\php\php.ini find extension=php_openssl.dll and remove the semicolon from the beginning of that line to make SSL working for gmail for localho...
PHP array: count or sizeof?
To find the number of elements in a PHP $array , which is faster/better/stronger?
7 Answers
...
GCM with PHP (Google Cloud Messaging)
How can I integrate the new Google Cloud Messaging in a PHP backend?
13 Answers
13
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...the answer:
Just add this line before the line where you get error in your php file
ini_set('memory_limit', '-1');
It will take unlimited memory usage of server, it's working fine.
Consider '44M' instead of '-1' for safe memory usage.
...
PHP - Extracting a property from an array of objects
...
If you have PHP 5.5 or later, the best way is to use the built in function array_column():
$idCats = array_column($cats, 'id');
But the son has to be an array or converted to an array
...
PHP - Get bool to echo false when false
...rnate development is so so so much cleaner & stronger than even modest PHP systems. I could find plenty of people who were confused.. stackoverflow.com/questions/9042002/… but I couldn't find any reference as to a real reason for this design "feature".
– Thomas W
...