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Cell spacing in UICollectionView

...ction { return 20; } Swift version: func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat { return 20 } ...
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Detect HTTP or HTTPS then force HTTPS in JavaScript

... answered Jul 7 '12 at 12:20 b1_b1_ 1,9522323 silver badges3636 bronze badges ...
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Centering a view in its superview using Visual Format Language

... views: ["view":self, "subview":_spinnerView]) share | improve this answer | follow | ...
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Most lightweight way to create a random string and a random hexadecimal number

...xrange(30))", "import random") >>> t2 = timeit.Timer("binascii.b2a_hex(os.urandom(15))", "import os, binascii") >>> t3 = timeit.Timer("'%030x' % random.randrange(16**30)", "import random") >>> for t in t1, t2, t3: ... t.timeit() ... 28.165037870407104 9.02927398681640...
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How to add an image to a JPanel?

...e image according to the size of the JLabel? – coding_idiot Dec 7 '11 at 14:26 1 Nice code! I'm n...
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How do I change the default port (9000) that Play uses when I execute the “run” command?

... file I created a file in the distributable root directory called: {PROJECT_NAME}_config.txt and added: -Dhttp.port=8080 Where {PROJECT_NAME} should be replaced with the name of your project. Then started the {PROJECT_NAME}.bat script as usual in the bin\ directory. ...
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How do I initialize a byte array in Java?

... @petmez dumb question: in JAVA, is something like "".getBytes(UTF_8)); (getBytes on an empty string) a safe thing to do? is it 'legal'? Or can I just do: = new byte[0]; ? – Robert Achmann Mar 1 '19 at 18:35 ...
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Convert decimal to hexadecimal in UNIX shell script

...ilter a whole file of integers, one per line: ( echo "obase=16" ; cat file_of_integers ) | bc share | improve this answer | follow | ...
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Haskell Type vs Data Constructor

... totally different. So you might do something like this: data Config = XML_Config {...} | JSON_Config {...} (With some suitable fields in there, obviously.) You can't do stuff like this in normal programming languages, which is why most people aren't used to it. ...
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Redirect Windows cmd stdout and stderr to a single file

...'re using these to make log files, then unless you're sending the outut to _uniquely_named_ (eg date-and-time-stamped) log files, then if you run the same process twice, the redirected will overwrite (replace) the previous log file. The >> (for either STDOUT or STDERR) will APPEND not REPLACE...