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Android OpenGL ES and 2D

...ave your canvas set up, you start by calling something like: gl.glClear(GL10.GL_COLOR_BUFFER_BIT); After that you're ready to render a sprite. First, you'll need to load the sprite into a texture: http://qdevarena.blogspot.com/2009/02/how-to-load-texture-in-android-opengl.html However, this is the...
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Extracting text OpenCV

... 10 Answers 10 Active ...
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Using comparison operators in Scala's pattern matching system

....e. an if and a boolean expression after the pattern: a match { case 10 => println("ten") case x if x > 10 => println("greater than ten") case _ => println("less than ten") } Edit: Note that this is more than superficially different to putting an if after the =>, becaus...
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Splitting a list into N parts of approximately equal length

...ken due to rounding errors. Do not use it!!! assert len(chunkIt([1,2,3], 10)) == 10 # fails Here's one that could work: def chunkIt(seq, num): avg = len(seq) / float(num) out = [] last = 0.0 while last < len(seq): out.append(seq[int(last):int(last + avg)]) ...
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BestPractice - Transform first character of a string into lower case

... 240 I would use simple concatenation: Char.ToLowerInvariant(name[0]) + name.Substring(1) The firs...
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Check if all elements in a list are identical

..., for Python 2.7 and (only s1, s4, s7, s9 should return True) s1 = [1] * 5000 s2 = [1] * 4999 + [2] s3 = [2] + [1]*4999 s4 = [set([9])] * 5000 s5 = [set([9])] * 4999 + [set([10])] s6 = [set([10])] + [set([9])] * 4999 s7 = [1,1] s8 = [1,2] s9 = [] we get | checkEqual1 | checkEqual2 | checkE...
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Further understanding setRetainInstance(true)

...w. (This is edited a bit to make it easier to read.) TestActivity@415a4a30: this() TestActivity@415a4a30: onCreate() TestActivity@415a4a30: Existing fragment not found. TestFragment{41583008}: this() TestFragment{41583008} TestFragment{41583008}: onAttach(TestActivity@415a4a30) TestFragment{415830...
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UITableView + Add content offset at top

...DidLoad method I added: [self.tableView setContentInset:UIEdgeInsetsMake(50,0,0,0)]; the values it takes are UIEdgeInsetsMake(top,left,bottom,right). Alternatively the same with Swift: self.tableView.contentInset = UIEdgeInsetsMake(50, 0, 0, 0) Swift 4.2: self.tableView.contentInset = UIEdge...
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How to change line width in ggplot?

... theme(axis.text.x = element_text( colour = 'black', angle = 90, size = 13, hjust = 0.5, vjust = 0.5),axis.title.x=element_blank()) + ylab("FSI (%Change)") + theme(axis.text.y = element_text(colour = 'black', size = 12), axis.title.y = element_text(size = 12...
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What's the algorithm to calculate aspect ratio?

... 203 I gather you're looking for an usable aspect ratio integer:integer solution like 16:9 rather th...