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Permanently adding a file path to sys.path in Python
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There are a few ways. One of the simplest is to create a my-paths.pth file (as described here). This is just a file with the extension .pth that you put into your system site-packages directory. On each line of the file you put one directory nam...
Sass or Compass without ruby?
...'ll have to "compile" (which is mostly reformatting - i.e. the css code is one line) the css. After that you'll most probably want to add multiple css with inheritance. If you feel you have the time, you can try doing it and share the result with us :)
– tftd
A...
What is the difference between dynamic and static polymorphism in Java?
Can anyone provide a simple example that explains the difference between Dynamic and Static polymorphism in Java?
14 An...
Abstract methods in Python [duplicate]
...ur abstract methods just raise an exception (NotImplementedError is a good one) so that classes derived from it would have to override that method to be useful.
However, the abc solution is better because it keeps such classes from being instantiated at all (i.e., it "fails faster"), and also beca...
HTML5 Local Storage fallback solutions [closed]
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It seems that none of them is working in the Private/Incognito mode (e.g. Safari or Chrome), as their workaround is creating cookies, which is also disabled in that mode.
– Alex Klaus
Jan 10 '17 at 1:0...
Is there a “null coalescing” operator in JavaScript?
... Of note is that || returns the first "truey" value or the last "falsey" one (if none can evaluate to true) and that && works in the opposite way: returning the last truey value or the first falsey one.
– Justin Johnson
Oct 25 '10 at 2:09
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Convert a string to int using sql query
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How do I catch/prevent the exception when one of the fields is non-numeric? I would have expected it to convert to 0.
– Chloe
Jun 13 '13 at 17:47
4...
How to do the equivalent of pass by reference for primitives in Java
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You have several choices. The one that makes the most sense really depends on what you're trying to do.
Choice 1: make toyNumber a public member variable in a class
class MyToy {
public int toyNumber;
}
then pass a reference to a MyToy to your metho...
Concept behind these four lines of tricky C code
...-------- -------- --------
+ shows the position of the sign; ^ of the exponent, and - of the mantissa (i.e. the value without the exponent).
Since the representation uses binary exponent and mantissa, doubling the number increments the exponent by one. Your program does it precisely 771 times, so...
Soft keyboard open and close listener in an activity in Android
... enter some value in it. I want to set some other View 's visibility to Gone when the soft keyboard opens and also when the user clicks on the first EditText and also when the soft keyboard closes from the same EditText on the back button press. Then I want to set some other View 's visibili...