大约有 15,500 项符合查询结果（耗时：0.0341秒） [XML]
How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?
...ependent of the plaintext, different pseudo random streams are obtained by starting with a different nonce or random IV for every message, neither encryption nor decryption is parallelizable, as with CTR using nonces message encryption is possible without per message randomness, as with CTR transmis...
What are best practices for validating email addresses on iOS 2.0
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A good start is to decide what do you and do you not want to accept as an email address?
99% of of email addresses look like this: bob.smith@foo.com or fred@bla.edu
However, it's technically legal to have an email address like th...
Accessing members of items in a JSONArray with Java
I'm just getting started with using json with java. I'm not sure how to access string values within a JSONArray. For instance, my json looks like this:
...
How to split a string in Java
...other regexp libraries, group 0 is the full match, and the captured groups start at 1. As you say, I suspect that this may have changed since I originally wrote the answer, but in any case I'll update it to reflect current behaviour.
– Rob Hague
Jul 17 '17 at 1...
What does “SyntaxError: Missing parentheses in call to 'print'” mean in Python?
...file=sys.stderr, end=" "); print(4, 5, 6, file=sys.stderr)
1 2 3 4 5 6
Starting with the Python 3.6.3 release in September 2017, some error messages related to the Python 2.x print syntax have been updated to recommend their Python 3.x counterparts:
>>> print "Hello!"
File "<stdin...
How do I ZIP a file in C#, using no 3rd-party APIs?
... Path.GetFullPath(Path.Combine(tempFolderPath, part.Uri.OriginalString.TrimStart('/')));
var targetDir = target.Remove(target.LastIndexOf('\\'));
if (!Directory.Exists(targetDir))
Directory.CreateDirectory(targetDir);
using (Stream source = p...
How to recover MySQL database from .myd, .myi, .frm files
...MySQL4 install into my MySQL5.1 just magically recreated the tables. No restart or anything (on windows).
– Dave
Aug 24 '10 at 17:46
4
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How to permanently remove few commits from remote branch
... except that if <new-branch> already exists, it will be reset to <start-point>.
This is a convenient shortcut for:
$ git branch -f <new-branch>
$ git switch <new-branch>
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Find and kill a process in one line using bash and regex
...sleep in it.
When I was shown this (by someone here on SO), I immediately started using it because
it's one less process than adding | grep -v grep; and
it's elegant and sneaky, a rare combination :-)
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Managing Sessions in Node.js? [closed]
... There are so many holes in your argument I don't even know where to start. 1) Why use a third party tool: to save time and energy. 2) Open Source != no brand. Express/Connect are made by teams, and their work has been vetted by a large community. They are not "some kid." 3) Reinventing wheels...