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How do I use extern to share variables between source files?
... is demonstrated by file3.h, file1.c and file2.c:
file3.h
extern int global_variable; /* Declaration of the variable */
file1.c
#include "file3.h" /* Declaration made available here */
#include "prog1.h" /* Function declarations */
/* Variable defined here */
int global_variable = 37; /* Def...
NUnit Test Run Order
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You mean you called your tests, for example, 001_first_test 002_second_test and so on?
– ashes999
Feb 15 '12 at 20:48
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Notification click: activity already open
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Try setting the flags to Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP instead.
From the documentation for FLAG_ACTIVITY_CLEAR_TOP (emphasis mine):
If set, and the activity being launched is already running in the
current task, then in...
Hadoop “Unable to load native-hadoop library for your platform” warning
...entOS. The reason you saw that warning is the native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit.
Anyway, it's just a warning, and won't impact Hadoop's functionalities.
Here is the way if you do want to eliminate this warning, download the source cod...
Simpler way to create dictionary of separate variables?
...avoid duplication so that instead of print('x: ' + x) one could write magic_print(x) and have the same output without writing variable's name twice.
– Piotr Dobrogost
May 1 '13 at 10:46
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Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...ensed to do so by the user (e.g. via -ffast-math).
Note that GCC provides __builtin_powi(x,n) as an alternative to pow( ), which should generate an inline multiplication tree. Use that if you want to trade off accuracy for performance, but do not want to enable fast-math.
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How do I find out my python path using python?
...ent variable. To query the variable directly, use:
import os
try:
user_paths = os.environ['PYTHONPATH'].split(os.pathsep)
except KeyError:
user_paths = []
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How to sort an array by a date property
...(a.date);
});
More Generic Answer
array.sort(function(o1,o2){
if (sort_o1_before_o2) return -1;
else if(sort_o1_after_o2) return 1;
else return 0;
});
Or more tersely:
array.sort(function(o1,o2){
return sort_o1_before_o2 ? -1 : sort_o1_after_o2 ? 1 : 0;
});
...
How to tell Eclipse Workspace?
...ages simple list of last time opened workspaces which is stored as a RECENT_WORKSPACES key in org.eclipse.ui.ide.prefs file. The workspace name shown in this dialog is the first one from this list.
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Overriding fields or properties in subclasses
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You could do this
class x
{
private int _myInt;
public virtual int myInt { get { return _myInt; } set { _myInt = value; } }
}
class y : x
{
private int _myYInt;
public override int myInt { get { return _myYInt; } set { _myYInt = value; } }
}
virtual ...