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Base64 Decoding in iOS 7+
...der, so I don't like using it, since I think that header should be removed from the iOS SDK altogether. Anyway, you have a point in saying that is very readable, so feel free to use it.
– Gabriele Petronella
Mar 16 '14 at 22:52
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Java rounding up to an int using Math.ceil
... don't want floor(a/b), but ceil(a/b), and using the definitions and plots from Wikipedia:
With these plots of the floor and ceil function you can see the relationship.
You can see that floor(x) <= ceil(x). We need floor(x + s) = ceil(x). So we need to find s. If we take 1/2 <= s < 1 it ...
Git branch diverged after rebase
...e different commits with different hashes. If other developers are working from the pre-rebased branch then doing a git push -f would be extremely disruptive to their workflow. Thus, since this branch has been pushed to a public source he should have merged.
– awolf
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Matplotlib different size subplots
...nction. However, you could add something like this to the code above: from mpl_toolkits.axes_grid1 import make_axes_locatable divider = make_axes_locatable(a0) a_empty = divider.append_axes("bottom", size="50%") a_empty.axis('off')
– Hagne
Apr ...
Case preserving substitute in Vim
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You can just paste and adapt this:
(Of course, if you do this from time to time, you will want a plugin instead of this monstrosity. But for some who are in a hurry and only need it once, this is a quick hack for your pasting pleasure:)
:%s/\cbad\zejob/\= ( submatch(0)[0] is# toupper(...
Unix command to find lines common in two files
I'm sure I once found a unix command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
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Java: Clear the console
...Now when the Java process is connected to a console, i.e. has been started from a command line without output redirection, it will clear the console.
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How to get the start time of a long-running Linux process?
... with formatters to get PID, command run, and date+time started.
Example (from Debian/Jessie command line)
$ ps -eo pid,lstart,cmd
PID CMD STARTED
1 Tue Jun 7 01:29:38 2016 /sbin/init
2 Tue Jun 7 01:29:38 2016 [kthreadd] ...
How to efficiently count the number of keys/properties of an object in JavaScript?
...d be removed or overridden you might get unexpected results. By calling it from Object.prototype it makes it little more robust. The reason for using call is because you want to invoke the method on obj instead of on the prototype.
– Renaat De Muynck
May 23 '12...
How to add a Timeout to Console.ReadLine()?
...I'm surprised to learn that after 5 years, all of the answers still suffer from one or more of the following problems:
A function other than ReadLine is used, causing loss of functionality. (Delete/backspace/up-key for previous input).
Function behaves badly when invoked multiple times (spawning m...