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How to change a module variable from another module?
... change the value of a that foobar sees because foobar lives in the actual file bar.py. You could set bar.bar.a if you wanted to change that.
This is one of the dangers of using the from foo import bar form of the import statement: it splits bar into two symbols, one visible globally from within fo...
C pointers : pointing to an array of fixed size
... is not used to create a type for the pointer-to-array (in a common header file), then a global pointer-to-array needs a more complicated extern declaration to share it across files:
fileA:
char (*p)[10];
fileB:
extern char (*p)[10];
...
asynchronous vs non-blocking
...ing calls, one would set all channels (SocketChannel, ServerSocketChannel, FileChannel, etc) as such by calling AbstractSelectableChannel.configureBlocking(false).
After those IO calls return, however, you will likely still need to control the checks such as if and when to read/write again, etc.
For...
Start / Stop a Windows Service from a non-Administrator user account
...gistry key.
LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
Under that there is a seperate Key for each an every user account in this computer, and the key name is the SID of each account. SID are usually of the format S-1-5-21-2103278432-2794320136-1883075150-1000. Click o...
What is the best way to solve an Objective-C namespace collision?
...
In which file (.h or .m) should the @compatibility_alias line go?
– Alex Basson
Apr 23 '10 at 14:19
1
...
Understanding Python super() with __init__() methods [duplicate]
...
...
>>> Square('a', 10, 10)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<stdin>", line 3, in __init__
TypeError: __init__() missing 2 required positional arguments: 'width' and 'height'
...
Abort makefile if variable not set
How could I abort a make/makefile execution based on a makefile's variable not being set/valued?
5 Answers
...
Abstract class in Java
...plementedMethod() { System.out.print("Overridden!"); }
}
// In a separate file.
public class SecondImplementingClass extends AbstractClass
{
public void abstractMethod() { System.out.print("second abstractMethod()"); }
}
Now somewhere you could write another method.
public tryItOut()
{
I...
Android ListView with different layouts for each row
...is up again, but you would actually recommend having a single large layout file and control visibility of parts of it, instead of have separate layout files, which get inflated respectively using getItemViewType?
– Makibo
May 9 '13 at 3:08
...
Can I run javascript before the whole page is loaded?
...TML parsing is done. (If your module code is inline rather than in its own file, it is also deferred until HTML parsing is complete.)
This wasn't available when I first wrote this answer in 2010, but here in 2020, all major modern browsers support modules natively, and if you need to support older ...