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Generating all permutations of a given string
... about longer string such as abcdefgh ? Is there any Java implementation example?
52 Answers
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Fastest way to extract frames using ffmpeg?
Hi I need to extract frames from videos using ffmpeg.. Is there a faster way to do it than this:
6 Answers
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rotating axis labels in R
In R, how do I make a (bar)plot's y axis labels parallel to the X axis instead of parallel to the Y axis?
5 Answers
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Force SSL/https using .htaccess and mod_rewrite
...rtual host or directories for defending against configuration errors that expose stuff that should be protected. When this directive is present all requests are denied which are not using SSL.
This will not do a redirect to https though. To redirect, try the following with mod_rewrite in your .hta...
Can every recursion be converted into iteration?
...ed by a completely different approach in less time and space. The classic example of this is Fibonacci numbers or sequences thereof. You've surely met this problem in your degree plan.
On the flip side of this coin, we can certainly imagine a programming system so advanced as to treat a recursive d...
Parse query string in JavaScript [duplicate]
I need to parse the query string www.mysite.com/default.aspx?dest=aboutus.aspx .
How do I get the dest variable in JavaScript?
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Calling Objective-C method from C++ member function?
... that I need to call in that C++ class a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax.
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Using a 'using alias = class' with generic types? [duplicate]
...e only one class from a namespace rather than a whole namespace, like the example here I create a alias to that class with the using statement:
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How to import a .cer certificate into a java keystore?
...hind the webservice is in .cer format. When I inspect the file using a text editor, it has the following contents:
8 Answ...
Numpy where function multiple conditions
...s of numbers, which of course doesn't have the True/False values that you expect. If a and b are both True values, then a and b returns b. So saying something like [0,1,2] and [2,3,4] will just give you [2,3,4]. Here it is in action:
In [230]: dists = np.arange(0,10,.5)
In [231]: r = 5
In [232]:...