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Why is C so fast, and why aren't other languages as fast or faster? [closed]
...e use of C as a ``high-level assembler'': the ability to write machine-specific code is one of the strengths of C.
Keep the spirit of C. The Committee kept as a major goal to preserve the traditional spirit of C. There are many facets of the spirit of C, but the essence is a community sentiment of ...
Fastest Way of Inserting in Entity Framework
...
}
context.SaveChanges();
}
finally
{
if (context != null)
context.Dispose();
}
scope.Complete();
}
private MyDbContext AddToContext(MyDbContext context,
Entity entity, int count, int commitCount, bool recreateContext)
{
context.Set&...
What does “static” mean in C?
I've seen the word static used in different places in C code; is this like a static function/class in C# (where the implementation is shared across objects)?
...
Write lines of text to a file in R
...
Mark - what If I have several threads all of which I would like to add lines to the same file? (The issue being is that you can't have more then one connection to a file, If I am not mistaken) Thanks.
– Tal Galili
...
How to get back to most recent version in Git?
...
When you checkout to a specific commit, git creates a detached branch. So, if you call:
$ git branch
You will see something like:
* (detached from 3i4j25)
master
other_branch
To come back to the master branch head you just need to checkout ...
How to 'grep' a continuous stream?
...(on Ubuntu 14.04, GNU grep version 2.16). Where is the "use line buffering if stdout is a tty" logic implemented? In git.savannah.gnu.org/cgit/grep.git/tree/src/grep.c, line_buffered is set only by the argument parser.
– Aasmund Eldhuset
Jan 9 '17 at 22:21
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Why there is no ForEach extension method on IEnumerable?
...ion method would indeed be useful in some situations.
Here are the major differences between the statement and the method:
Type checking: foreach is done at runtime, ForEach() is at compile time (Big Plus!)
The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething);
ForEac...
Convert integer into byte array (Java)
...
this would work well if the bytebuffer is already there... otherwise it seems like it would take longer to do the allocation, than to just allocate a byte array of length 4 and do the shifting manually... but we're probably talking about small di...
How to initialize const member variable in a class?
...
The const variable specifies whether a variable is modifiable or not. The constant value assigned will be used each time the variable is referenced. The value assigned cannot be modified during program execution.
Bjarne Stroustrup's explanation su...
How do you plot bar charts in gnuplot?
... boxes
data.dat:
0 label 100
1 label2 450
2 "bar label" 75
If you want to style your bars differently, you can do something like:
set style line 1 lc rgb "red"
set style line 2 lc rgb "blue"
set style fill solid
set boxwidth 0.5
plot "data.dat" every ::0::0 using 1:3:xtic(2) wit...