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startsWith() and endsWith() functions in PHP

...eedle ) { $length = strlen( $needle ); return substr( $haystack, 0, $length ) === $needle; } function endsWith( $haystack, $needle ) { $length = strlen( $needle ); if( !$length ) { return true; } return substr( $haystack, -$length ) === $needle; } Use this if you ...
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How to extract img src, title and alt from html using php? [duplicate]

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Immutable vs Mutable types

... What? Floats are immutable? But can't I do x = 5.0 x += 7.0 print x # 12.0 Doesn't that "mut" x? Well you agree strings are immutable right? But you can do the same thing. s = 'foo' s += 'bar' print s # foobar The value of the variable changes, but it changes by chang...
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Matplotlib discrete colorbar

...rm as normalizer for your scatter. The quirky bit (in my method) is making 0 showup as grey. For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap. As an ...
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How to crop circular area from bitmap in Android

...ARGB_8888); Canvas canvas = new Canvas(output); final int color = 0xff424242; final Paint paint = new Paint(); final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()); paint.setAntiAlias(true); canvas.drawARGB(0, 0, 0, 0); paint.setColor(color); // c...
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HTML5 canvas ctx.fillText won't do line breaks?

... Neuron 3,54333 gold badges2323 silver badges4040 bronze badges answered Feb 18 '11 at 14:42 Simon SarrisSimon Sarris 56k121...
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Extracting text OpenCV

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Generate a random double in a range

...| edited Sep 27 '15 at 18:03 answered Sep 9 '10 at 21:17 mo...
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Select random row from a sqlite table

... answered Feb 17 '10 at 10:06 Adriaan StanderAdriaan Stander 146k2626 gold badges261261 silver badges272272 bronze badges ...
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Set time part of DateTime in ruby

...e a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that? 4 Answers ...