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Use of “global” keyword in Python
...al variables is seldom considered a good solution.
def bob():
me = "locally defined" # Defined only in local context
print(me)
bob()
print(me) # Asking for a global variable
The above will give you:
locally defined
Traceback (most recent call last):
File "file.py", line 9, in &...
How do I center text horizontally and vertically in a TextView?
...ontally and vertically in a TextView , so that it appears exactly in the middle of the TextView in Android ?
67 Answers...
What is a “web service” in plain English?
...ll, you could write a whole new mapping program from scratch, OR you could call a web service that Google maps provides, send it the address, and it will return a graphical map of the location, which you can display in your program.
There is a lot more to it, as some of the other posts go into, but...
Are static variables shared between threads?
...ering and exiting monitors, but do not entail mutual exclusion locking.
A call to start on a thread happens-before any action in the started thread.
All actions in a thread happen-before any other thread successfully returns from a join on that thread.
...
What does the 'b' character do in front of a string literal?
...l should become a bytes literal
in Python 3 (e.g. when code is
automatically converted with 2to3). A
'u' or 'b' prefix may be followed by
an 'r' prefix.
The Python 3 documentation states:
Bytes literals are always prefixed with 'b' or 'B'; they produce an instance of the bytes type ins...
grid controls for ASP.NET MVC? [closed]
If you are using ASP.NET MVC how are you doing grid display?
Rolled your own?
Got a library from somewhere?
12 Answers
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How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]
...
This command is faster than @Decci.7 has provided +1 and I like simple one-liners :D
– Kitet
Feb 17 '14 at 11:07
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When is assembly faster than C?
...nstruction. Some compilers used to ignore this fact and generate code that calls a runtime library function to do the multiply. The shift by 16 is also often done by a library routine (also the x86 can do such shifts).
So we're left with one or two library calls just for a multiply. This has seriou...
Is it true that one should not use NSLog() on production code?
...h I recommend using a personal prefix on your "DEBUG_MODE" define, such as calling it "JPM_DEBUG" or the like. Far too often I've encountered third party code that also uses DEBUG or DEBUG_MODE or the like, and sometimes that code will not work correctly in DEBUG mode. If you want to turn on third-p...
How does the ARM architecture differ from x86? [closed]
...
ARMv8-A has a 64-bit architecture called AArch64.
– kyrias
Nov 23 '13 at 20:58
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