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How do I implement basic “Long Polling”?
...rror 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found");
die();
}
/* Send a string after a random number of seconds (2-10) */
sleep(rand(2,10));
echo("Hi! Have a random number: " . ...
GestureDetect 手势检测扩展：识别滑动、点击和长按手势 · App Inventor 2 中文网
...势检测原理
性能优化建议
常见问题
Q: 手势检测不灵敏怎么办？
Q: 手势在按钮上不起作用？
Q: 可以在滚动排列中使用吗？
Q: 如何在同一个组件上检测多种手势？
...
Convert PHP closing tag into comment
One of the lines in my script contains a PHP closing tag inside a string. Under normal operation this does not cause a problem, but I need to comment out the line.
...
How to call a function from a string stored in a variable?
... Thank you guys, for the replies, it indeed throws an error, even in php 5.4, so that syntax only works with object methods. Edited the post.
– Lajos Meszaros
Feb 3 '14 at 10:10
...
Remove Trailing Slash From String PHP
Is it possible to remove the trailing slash / from a string using PHP?
5 Answers
5
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Hidden features of mod_rewrite
...directories
RewriteCond %{REQUEST_FILENAME} !-d
# map requests to index.php and append as a query string
RewriteRule ^(.*)$ index.php?query=$1
Since Apache 2.2.16 you can also use FallbackResource.
Handling 301/302 redirects:
RewriteEngine on
# 302 Temporary Redirect (302 is the default, but ...
PHP Remove elements from associative array
I have an PHP array that looks something like this:
9 Answers
9
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git pull keeping local changes
...ts. In the case you describe there would in fact be a conflict for config.php. But, resolving the conflict is easy because you know that what you put in the stash is what you want. So do this:
git checkout --theirs -- config.php
...
Get first key in a (possibly) associative array?
...
2019 Update
Starting from PHP 7.3, there is a new built in function called array_key_first() which will retrieve the first key from the given array without resetting the internal pointer. Check out the documentation for more info.
You can use reset...
What is for Python what 'explode' is for PHP?
...ekar SP" . I want to split it with delimiter like we do using explode in PHP.
2 Answers
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