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Can I write a CSS selector selecting elements NOT having a certain class or attribute?
...rom layout completely. You can often get around this by using visibility: hidden instead which will allow visible descendants to show, but the hidden elements will still affect layout as they originally did. In short, just be careful.
...
Try/Catch block in PHP not catching Exception
...is someone else in the same situation.
I had my exception in my namespace called A and the script was in a namespace called B. The problem was that I had A\MyException which equals (in PHP) \B\A\MyException (because my script is in the namespace called B!). All I had to do to fix it was to add back...
Why does 2 == [2] in JavaScript?
...stract algorithms back to JS, what happens when evaluating 2 == [2] is basically this:
2 === Number([2].valueOf().toString())
where valueOf() for arrays returns the array itself and the string-representation of a one-element array is the string representation of the single element.
This also exp...
Most pythonic way to delete a file which may not exist
... this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be worthwhile to write a function to do this for you:
import os, errno
def silentremove(filename):
try:
os.remove(filen...
How do I read text from the (windows) clipboard from python?
...
You can use the module called win32clipboard, which is part of pywin32.
Here is an example that first sets the clipboard data then gets it:
import win32clipboard
# set clipboard data
win32clipboard.OpenClipboard()
win32clipboard.EmptyClipboard()...
Creating and playing a sound in swift
...emSoundID instance variables somewhere, use them throughout your app, then call AudioServicesDisposeSystemSoundID when you're finished with them.
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scp or sftp copy multiple files with single command
...answered Feb 11 '14 at 1:56
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How to evaluate a math expression given in string form?
...es of operation orders. 1. operator sign | variable evaluation | function call | parenthesis (sub-expressions); 2. exponentiation; 3. multiplication, division; 4. addition, subtraction;
– Vasile Bors
Jul 24 '16 at 15:05
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
... Collection<String> supportedOptions() {
System.err.println("Called supportedOptions.............................");
return Collections.EMPTY_LIST;
}
public Collection<String> supportedAnnotationTypes() {
System.err.println("Called supportedAnnotationType...
Does a finally block always run?
...a
nonzero status code indicates abnormal
termination.
This method calls the exit method in
class Runtime. This method never
returns normally.
try {
System.out.println("hello");
System.exit(0);
}
finally {
System.out.println("bye");
} // try-fina...