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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...ing in Mongo itself, it is possible to have duplicate _id's generated with PHP in Mongo.
The use-case where this has happened with regularity for me is when I'm looping through a dataset and attempting to inject the data into a collection.
The array that holds the injection data must be explicitl...
How to check if mod_rewrite is enabled in php?
...is possible to check if mod_rewrite is enabled on Apache AND IIS in PHP .
15 Answers
...
Can PHP cURL retrieve response headers AND body in a single request?
Is there any way to get both headers and body for a cURL request using PHP? I found that this option:
13 Answers
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How to check whether an array is empty using PHP?
...
An empty array is falsey in PHP, so you don't even need to use empty() as others have suggested.
<?php
$playerList = array();
if (!$playerList) {
echo "No players";
} else {
echo "Explode stuff...";
}
// Output is: No players
PHP's empty()...
How to convert all tables from MyISAM into InnoDB?
...
<?php
// connect your database here first
//
// Actual code starts here
$sql = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = 'your_database_name'
AND ENGINE = 'MyIS...
How to initialize static variables
...
PHP can't parse non-trivial expressions in initializers.
I prefer to work around this by adding code right after definition of the class:
class Foo {
static $bar;
}
Foo::$bar = array(…);
or
class Foo {
private stat...
What are five things you hate about your favorite language? [closed]
...
PHP:
1) Forces me to make unnecessary variables:
$parts = explode('|', $string);
$first = $parts[0];
2) An implementation of lambdas so lame it is roughly equivalent to using eval() and so hideously wrong I have never use...
HTTP authentication logout via PHP
...lso works (a "disconnect" link to this URL) instead of an http redirect in PHP... any downside to that?
– moala
Mar 21 '12 at 13:40
4
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Floating View 扩展：悬浮视图扩展，将组件转换为悬浮窗口 · App Inventor 2 中文网
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边距设置
动画效果
常见问题
Q: 悬浮窗不显示怎么办？
Q: 悬浮窗被系统杀死怎么办？
Q: 可以悬浮多个组件吗？
Q: 悬浮窗可以拖动吗？
Q: 如何自定义悬...
Convert seconds to Hour:Minute:Second
...e amount of days in the year starting with 0. You can obviously review the php date manual to cater to your specific needs.
– Nightwolf
Aug 11 '16 at 6:51
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