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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...n the time, and according to php.net "the return value is little different from microtime()", uniqid does not meet the criteria. PHP recommends using openssl_random_pseudo_bytes() instead to generate cryptographically secure tokens.
A quick, short and to the point answer is:
bin2hex(openssl_random_p...
How to Rotate a UIImage 90 degrees?
...rc drawAtPoint:CGPointMake(0, 0)];
UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return image;
}
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When to use transclude 'true' and transclude 'element' in Angular?
...
From AngularJS Documentation on Directives:
transclude - compile the content of the element and make it available to the directive. Typically used with ngTransclude. The advantage of transclusion is that the linking funct...
Batch file to copy directories recursively
...copy all the files and subdirectories (including any empty subdirectories) from drive A to drive B, type:
xcopy a: b: /s /e
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How to avoid merge-commit hell on GitHub/BitBucket
...erve all of your branch history on a merge.
Use the --ff-only Flag
Aside from rebasing, the use of the --ff-only flag will ensure that only fast-forward commits are allowed. A commit will not be made if it would be a merge commit instead. The git-merge(1) manual page says:
--ff-only
Ref...
How to stage only part of a new file with git?
...ly complicated. How about this instead:
git add -N new_file
git add -i
From git help add:
-N, --intent-to-add
Record only the fact that the path will be added later. An entry
for the path is placed in the index with no content. This is useful
for, among other things, showing the u...
Pull request without forking?
Here are steps of code contribution from the topic " How do I contribute to other's code in GitHub? "
5 Answers
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Why does the use of 'new' cause memory leaks?
... have limited calls to delete and should always make sure these are called from destructors or "deleter" objects that are put into smart-pointers.
Your destructors should also never throw exceptions.
If you do this, you will have few memory leaks.
...
JavaScript equivalent of PHP’s die
... a = 1; // this is never run
};
a === 0;
You cannot break a block scope from within a function in the scope. This means you can't do stuff like:
foo: { // this doesn't work
(function() {
break foo;
}());
}
You can do something similar though with functions:
function myFunction() {myFu...
How to undo a git merge with conflicts
I am on branch mybranch1 . mybranch2 is forked from mybranch1 and changes were made in mybranch2 .
6 Answers
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