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What is the use of the @ symbol in PHP?
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It suppresses error messages — see Error Control Operators in the PHP manual.
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How do I find the install time and date of Windows?
...a readable date/time just paste the decimal value in the field "UNIX TimeStamp:" of this Unix Time Conversion online tool.
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New self vs. new static
I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results?
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MySQL “WITH” clause
... a feature request for MySQL since January 2006: http://bugs.mysql.com/bug.php?id=16244
Other RDBMS products that support common table expressions:
Oracle 9i release 2 and later:
http://www.oracle-base.com/articles/misc/with-clause.php
Microsoft SQL Server 2005 and later:
http://msdn.microsoft.com/...
PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
I just had some very strange behavior with a simple php script I was writing. I reduced it to the minimum necessary to recreate the bug:
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Java Security: Illegal key size or default parameters?
... mf.setAccessible(true);
mf.setInt(f, f.getModifiers() & ~Modifier.FINAL);
f.set(null, allPermissions);
newMaxKeyLength = Cipher.getMaxAllowedKeyLength("AES");
}
} catch (Exception e) {
throw new RuntimeException(errorString, e);
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Can I specify multiple users for myself in .gitconfig?
... possible to solve this using newly introduced Conditional includes.
An example:
Global config ~/.gitconfig
[user]
name = John Doe
email = john@doe.tld
[includeIf "gitdir:~/work/"]
path = ~/work/.gitconfig
Work specific config ~/work/.gitconfig
[user]
email = john.doe@company....
通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...义。在继续之前，不妨先介绍一下案例的背景情况：一个PHP网站，以读为主，原本躲在CDN后面，运行很稳定，后来新增了很多强调个性化的需求，便去掉了CDN，进而导致系统稳定性受到影响。因为历史包袱重，所以完全废弃以前...
How do you convert a byte array to a hexadecimal string, and vice versa?
...g(ba).Replace("-","");
}
There are even more variants of doing it, for example here.
The reverse conversion would go like this:
public static byte[] StringToByteArray(String hex)
{
int NumberChars = hex.Length;
byte[] bytes = new byte[NumberChars / 2];
for (int i = 0; i < NumberChars; i...
Creating .pem file for APNS?
...ed the above steps and now its working.I have kept the certificate and the php script on my local web server (Xampp). I am able to get the device token , and i am using it in the php script. The php script is able to connect and send payload data. But still then i am not able to get the PUSH Notifi...