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Python's os.makedirs doesn't understand “~” in my path
...m does not know anything about it.
In Python, this feature is implemented by os.path.expanduser:
my_dir = os.path.expanduser("~/some_dir")
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linux: kill background task
...o be executed after the kill, if any of those commands relies on work done by the background process, be mindful of any cleanup or finishing-up tasks which the background process might perform in a signal handler after receiving a (trappable) signal. Best to add a wait (followed perhaps by a sync or...
module unsafe for SAFESEH image C++
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This happens when you link an .obj or .lib that contains code created by an earlier version of the compiler. Which of course would be common if you downloaded a binary for opencv_ffmpeg instead of the source. You can turn the linker option off but then you'll still have a CRT version incompatib...
What is the gain from declaring a method as static
...ng on a type and methods acting on an instance of the type (as pointed out by Jon Skeet in his comment to a C# question).
Yet another use case for static methods is to mimic procedural programming interface. Think of java.lang.System.println() class and the methods and attributes therein. The clas...
What is the difference between .*? and .* regular expressions?
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On greedy vs non-greedy
Repetition in regex by default is greedy: they try to match as many reps as possible, and when this doesn't work and they have to backtrack, they try to match one fewer rep at a time, until a match of the whole pattern is found. As a result, whe...
What is sys.maxint in Python 3?
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As pointed out by others, Python 3's int does not have a maximum size, but if you just need something that's guaranteed to be higher than any other int value, then you can use the float value for Infinity, which you can get with float("inf"...
Newline in JLabel
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Any idea WHY JLabel's don't support newlines by default?
– ApproachingDarknessFish
Jul 2 '13 at 0:33
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How to construct a REST API that takes an array of id's for the resources
...prefer id=id1,id2,id3 because it makes the URI shorter and easier to read (by a human, during a debugging operation for example). Individual parameters for each value would make the URI especially harder to follow if there are other parameters between ids: api.com/users?id=id1&id=id2&joined-...
Set ImageView width and height programmatically?
...r task:
setContentView(R.id.main);
ImageView iv = (ImageView) findViewById(R.id.left);
int width = 60;
int height = 60;
LinearLayout.LayoutParams parms = new LinearLayout.LayoutParams(width,height);
iv.setLayoutParams(parms);
and another way if you want to give screen size in height and width...
AngularJS : ng-model binding not updating when changed with jQuery
...rks. When you assign the scope variable to an object, you are assigning it by reference, as opposed to by value as done when a var is set equal to a primitive value. I talked about about it in my post here. stackoverflow.com/questions/14527377/…. I referenced this plunk I made in that post to il...