大约有 30,000 项符合查询结果（耗时：0.0449秒） [XML]
Two-way encryption: I need to store passwords that can be retrieved
...
$salt = substr($data, 0, 128);
$enc = substr($data, 128, -64);
$mac = substr($data, -64);
list ($cipherKey, $macKey, $iv) = $this->getKeys($salt, $key);
if (!hash_equals(hash_hmac('sha512', $enc, $macKey, true), $mac)) {
return false;
...
How to undo a git pull?
... HEAD@{1}
– Kartins
Apr 28 '11 at 9:32
...
How to hide first section header in UITableView (grouped style)
...nteger)section
{
if (section == 0)
return 1.0f;
return 32.0f;
}
- (NSString*) tableView:(UITableView *) tableView titleForHeaderInSection:(NSInteger)section
{
if (section == 0) {
return nil;
} else {
// return some string here ...
}
}
- (void) viewDi...
Convert int to ASCII and back in Python
...
renatovrenatov
4,27944 gold badges2323 silver badges3838 bronze badges
add a comment
...
How to check if there exists a process with a given pid in Python?
...] It currently supports Linux, Windows, OSX, FreeBSD and Sun Solaris, both 32-bit and 64-bit architectures, with Python versions from 2.6 to 3.4 (users of Python 2.4 and 2.5 may use 2.1.3 version). PyPy is also known to work.
It has a function called pid_exists() that you can use to check whether ...
Very slow compile times on Visual Studio 2005
...k solution folder, Properties->Advanced, untick the "Allow files ... indexed ...")
– nos
Sep 24 '14 at 7:41
...
Adding git branch on the Bash command prompt
...
PS1='\[\e]0;\u@\h: \w\a\]\n${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]$(__git_ps1)\$ '
Everything is a different color, including the branch.
In in Linux Mint 17.3 Cinnamon 64-bit:
PS1='${debian_chroot:+($debian_chroot)}\[\033...
Is there an easy way to check the .NET Framework version?
...389)) {
return "4.5 or later";
}
// This line should never execute. A non-null release key should mean
// that 4.5 or later is installed.
return "No 4.5 or later version detected";
}
share
...
How to handle AccessViolationException
... For those who use c++/cli as a dll, the code should be added to the top .exe project.
– Felix
Jun 20 '17 at 2:34
add a comment
|
...
How can I get the console logs from the iOS Simulator?
...
32
You should not rely on instruments -s. The officially supported tool for working with Simulator...