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How do I replace multiple spaces with a single space in C#?
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Since it will catch runs of any kind of whitespace (e.g. tabs, newlines, etc.) and replace them with a single space.
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What Every Programmer Should Know About Memory?
...spend the time reading the manuals about details about the actual timings, etc. But for people interested in the HW low level stuff? Maybe not useful, but at least entertaining.
– Voo
Nov 14 '11 at 18:52
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How do I put variables inside javascript strings?
...ple and does not take into account different kinds of data types (like %i, etc) or escaping of %s. But I hope it gives you some idea. I'm pretty sure there are also libraries out there which provide a function like this.
sha...
How to save a Python interactive session?
...yself frequently using Python's interpreter to work with databases, files, etc -- basically a lot of manual formatting of semi-structured data. I don't properly save and clean up the useful bits as often as I would like. Is there a way to save my input into the shell (db connections, variable assi...
Why can't I define a static method in a Java interface?
...d. I believe static is a crummy term in languages anyway, and has been stretched too far as is. So having it by itself is already sketchy. See my example above stackoverflow.com/questions/512877/… {shrug}.
– user4229245
Sep 2 '16 at 18:14
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What is a NullPointerException, and how do I fix it?
...ou should know, Java types are divided into primitive types (boolean, int, etc.) and reference types. Reference types in Java allow you to use the special value null which is the Java way of saying "no object".
A NullPointerException is thrown at runtime whenever your program attempts to use a null...
Preventing an image from being draggable or selectable without using JS
... 2012 */
-webkit-user-drag: none; /* Prevents dragging of images/divs etc */
user-drag: none;
}
JS:
var makeUnselectable = function( $target ) {
$target
.addClass( 'unselectable' ) // All these attributes are inheritable
.attr( 'unselectable', 'on' ) // For IE9 - This...
matplotlib does not show my drawings although I call pyplot.show()
...ed all the different backends that people on the web suggest (Qt4Agg, GTK, etc.), and they all failed (i.e. when I tried to import matplotlib.pyplot, I get ImportError because it's trying to import some dependency that's missing). I then researched how to install those dependencies, but it just mad...
How to automatically convert strongly typed enum into int?
... like implicit conversion to indexes, seamless using of bitwise operations etc.. The new style enums added a really great scoping thing, but... You cannot use just that thing (even with explicit underlying type specification!). So now you're either forced to use old style enums with tricks like putt...
Git: How to remove file from historical commit?
...ociated with them. This means that stuff like signed commits, commit notes etc. are preserved
filter-branch keeps backups too, so the size of the repo won't decrease immediately unless you expire the reflogs and garbage collect:
rm -Rf .git/refs/original # careful
git gc --aggressive --prun...