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What exactly is a reentrant function?
...t, everything seems ok… But wait:
int main()
{
foo(bar);
return 0;
}
If the lock on mutex is not recursive, then here's what will happen, in the main thread:
main will call foo.
foo will acquire the lock.
foo will call bar, which will call foo.
the 2nd foo will try to acquire the lock...
C# DateTime.Now precision
...
answered Jan 27 '10 at 0:36
Eric LippertEric Lippert
599k164164 gold badges11551155 silver badges20142014 bronze badges
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Find all storage devices attached to a Linux machine [closed]
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Giacomo1968
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answered Oct 14 '08 at 13:11
Steve BakerSteve Bak...
How do you serialize a model instance in Django?
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answered Jul 20 '10 at 10:31
xaralisxaralis
3,97611 gold badge1919 silver badges2020 bronze badges
...
What does auto&& tell us?
...
240
By using auto&& var = <initializer> you are saying: I will accept any initializer ...
Malloc vs new — different padding
...'s C++ code for our project that uses MPI for high-performance computing (10^5 - 10^6 cores). The code is intended to allow for communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:
...
No EditorOptionDefinition Export Found Error
In Visual Studio 2013 I started getting the following error when trying to open C# files:
8 Answers
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Does the Java &= operator apply & or &&?
... |
edited Feb 3 at 0:26
answered Oct 11 '10 at 14:49
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Preferred order of writing latitude & longitude tuples in GIS services
...r of each component in your software stack. PostGIS expects lng/lat. WFS 1.0 uses lng/lat, but WFS 1.3.0 defers to the standard and uses lat/lng. GeoTools defaults to lat/lng but can be overridden with a system property.
The GeoTools docs on the history and explanation of the problem are worth a re...
Read/write files within a Linux kernel module
...ts)
{
struct file *filp = NULL;
mm_segment_t oldfs;
int err = 0;
oldfs = get_fs();
set_fs(get_ds());
filp = filp_open(path, flags, rights);
set_fs(oldfs);
if (IS_ERR(filp)) {
err = PTR_ERR(filp);
return NULL;
}
return filp;
}
Close a file (...