大约有 48,000 项符合查询结果（耗时：0.0596秒） [XML]
Custom dealloc and ARC (Objective-C)
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420
When using ARC, you simply do not call [super dealloc] explicitly - the compiler handles it for ...
How to hash a password
...ATED. Please use the recommendations from the https://stackoverflow.com/a/10402129/251311 instead.
You can either use
var md5 = new MD5CryptoServiceProvider();
var md5data = md5.ComputeHash(data);
or
var sha1 = new SHA1CryptoServiceProvider();
var sha1data = sha1.ComputeHash(data);
To get dat...
How can I generate UUID in C#
...t.FromBase64String("aguidthatIgotonthewire==");
Array.Reverse(rfc4122bytes,0,4);
Array.Reverse(rfc4122bytes,4,2);
Array.Reverse(rfc4122bytes,6,2);
var guid = new Guid(rfc4122bytes);
See this answer for the specific .NET implementation details.
Edit: Thanks to Jeff Walker, Code Ranger, for pointin...
How does grep run so fast?
...omparison
# (everything is in the buffer cache)
$ time grep -c 'tg=f_c' 20140910.log
28
0.168u 0.068s 0:00.26
$ time grep -c ' /cc/merchant.json tg=f_c' 20140910.log
28
0.100u 0.056s 0:00.17
The longer form is 35% faster!
How come? Boyer-Moore consructs a skip-forward table from the pattern-st...
How can I combine flexbox and vertical scroll in a full-height app?
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205
Thanks to https://stackoverflow.com/users/1652962/cimmanon that gave me the answer.
The soluti...
Java: using switch statement with enum under subclass
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answered Apr 15 '12 at 11:05
darrengormandarrengorman
10.5k22 gold badges2020 silver badges2424 bronze badges
...
Character Limit in HTML
...e HTML one:
<input type="text" id="Textbox" name="Textbox" maxlength="10" />
The JavaScript one (attach it to a onKey Event):
function limitText(limitField, limitNum) {
if (limitField.value.length > limitNum) {
limitField.value = limitField.value.substring(0, limitNum);
...
How do I convert an array object to a string in PowerShell?
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303
$a = 'This', 'Is', 'a', 'cat'
Using double quotes (and optionally use the separator $ofs)
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Opening port 80 EC2 Amazon web services [closed]
I've opened port 80 in the web console on my E2C instance's security group but I still can't access it via the public dns in the browser.
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Wrapping null-returning method in Java with Option in Scala?
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RoToRaRoToRa
33.7k1010 gold badges6161 silver badges9595 bronze badges
add a com...