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How to make code wait while calling asynchronous calls like Ajax [duplicate]
...ill create a new copy of local storage waiting until old one will be freed from references from inside callback which will never happen.
– Vlad
Jun 21 '18 at 16:46
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Rails how to run rake task
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You can run Rake tasks from your shell by running:
rake task_name
To run from from Ruby (e.g., in the Rails console or another Rake task):
Rake::Task['task_name'].invoke
To run multiple tasks in the same namespace with a single task, create t...
Is “double hashing” a password less secure than just hashing it once?
...candidates. You can easily increase the time it takes to attack a password from hours to years.
Simple iteration is not enough
Merely chaining hash output to input isn't sufficient for security. The iteration should take place in the context of an algorithm that preserves the entropy of the passwo...
When to use wrapper class and primitive type
...ustom exceptions to indicate what has gone wrong. Good, I'll be doing that from now on...
– klaar
Nov 16 '17 at 8:46
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CSS @font-face not working with Firefox, but working with Chrome and IE
...family' Arial, Helvetica etc It was showing up fine in every browser apart from Firefox. I added the coma and it worked.
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How to use enums in C++
...ues are like bare constants - they're un-scoped - with a little extra help from the compiler: (unless you're using C++11 enum classes) they aren't encapsulated like object or structure members for instance, and you can't refer to them as members of Days.
You'll have what you're looking for with C++...
How to copy a file to multiple directories using the gnu cp command
... answers I saw at https://superuser.com/questions/32630/parallel-file-copy-from-single-source-to-multiple-targets instead of cp.
For example:
cat inputfile | tee outfile1 outfile2 > /dev/null
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扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...es formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in Android A...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...es formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in Android A...
扩展App Inventor：具有多点触控和手势检测功能 · App Inventor 2 中文网
...es formed by the fingers.
The angles we use are in degrees and they range from -360 to 360 degrees. The sign of the angle indicates the direction of rotation. A positive angle means clockwise rotation, and a negative angle means counter-clockwise rotation.
We use the MotionEvent class in Android A...