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How does Python manage int and long?
...ssible to overflow an int through math ops.
3.x has further advanced this by eliminating long altogether and only having int.
Python 2: sys.maxint contains the maximum value a Python int can hold.
On a 64-bit Python 2.7, the size is 24 bytes. Check with sys.getsizeof().
Python 3: sys.maxsize c...
Javascript roundoff number to nearest 0.5
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Write your own function that multiplies by 2, rounds, then divides by 2, e.g.
function roundHalf(num) {
return Math.round(num*2)/2;
}
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In Vim, how do I apply a macro to a set of lines?
...lled RangeMacro, does exactly what you want! For everyone that can't guess by the name, what it does: it repeats a recorded macro for each line in a given range, no matter if by visual selection or by a :40,50 / :+10
See http://www.vim.org/scripts/script.php?script_id=3271
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How would I get a cron job to run every 30 minutes?
..._command
this means "run when the minute of each hour is evenly divisible by 30" (would run at: 1:30, 2:00, 2:30, 3:00, etc)
example #3
0,30 * * * * your_command
this means "run when the minute of each hour is 0 or 30" (would run at: 1:30, 2:00, 2:30, 3:00, etc)
it's another way to accomplish t...
How can I use getSystemService in a non-activity class (LocationManager)?
...ewLocation(location);
TextView myLocationText = (TextView)findViewById(R.id.myLocationText);
myLocationText.setText("Your current position is:\n" + latLongString);
}
}
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How do I seed a random class to avoid getting duplicate random values [duplicate]
...le.WriteLine(rnd.Next(1, 100));
The sequence of random numbers generated by a single Random instance is supposed to be uniformly distributed. By creating a new Random instance for every random number in quick successions, you are likely to seed them with identical values and have them generate ide...
How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
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I have run some tests on your code. On URI returned by OI File Manager IllegalArgumentException is thrown as column 'title' does not exist. On URI returened by Documents ToGo cursor is null. On URI returned by unknown file manager scheme is (obviously) null.
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How do I mock a service that returns promise in AngularJS Jasmine unit test?
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And you killed me yesterday by not showing up in results. Beautiful display of andCallFake(). Thank you.
– Priya Ranjan Singh
Nov 4 '14 at 4:32
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What is MOJO in Maven?
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This is by far the best answer, I feel sorry you don't have more upvotes! The other answers don't give any more information than what is in the documentation already.
– marcv81
Jan 7 '15 at 11:5...
How to use gitignore command in git
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git ignore is a convention in git. Setting a file by the name of .gitignore
will ignore the files in that directory and deeper directories that match the
patterns that the file contains. The most common use is just to have one file
like this at the top level. But you can add...