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How to limit the amount of concurrent async I/O operations?
... Stephen Toub, but the less announced news is that the async semaphore actually made it into the Beta release of .NET 4.5
If you look at our beloved SemaphoreSlim class (which you should be using since it's more performant than the original Semaphore), it now boasts the WaitAsync(...) series of ove...
What is LDAP used for?
...e extremely fast read/query performance for a large scale of dataset. Typically you want to store only a small piece of information for each entry. The add/delete/update performance is relatively slower compared with read/query because the assumption is that you don’t do “update” that often.
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Why doesn't delete set the pointer to NULL?
...
Stroustrup himself answers. An excerpt:
C++ explicitly allows an
implementation of delete to zero out
an lvalue operand, and I had hoped
that implementations would do that,
but that idea doesn't seem to have
become popular with implementers.
But the main issue he rais...
Correct way to write line to file?
...ing files opened in text mode (the default); use a single '\n' instead, on all platforms.
Some useful reading:
The with statement
open()
'a' is for append, or use
'w' to write with truncation
os (particularly os.linesep)
...
int to hex string
...
To print an int32 it should just use "X8", not "X4". If you want X4, you should indeed make sure to use an Int16.
– Nyerguds
Oct 10 '16 at 8:49
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How to count total lines changed by a specific author in a Git repository?
...--author="<authorname>" --oneline --shortstat
This gives stats for all commits on the current HEAD. If you want to add up stats in other branches you will have to supply them as arguments to git log.
For passing to a script, removing even the "oneline" format can be done with an empty log f...
Most efficient way to determine if a Lua table is empty (contains no entries)?
...olution though, and I honestly can't assume that my solution is faster overall.
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How to convert IEnumerable to ObservableCollection?
How to convert IEnumerable to ObservableCollection ?
5 Answers
5
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Fastest method to escape HTML tags as HTML entities?
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You could try passing a callback function to perform the replacement:
var tagsToReplace = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;'
};
function replaceTag(tag) {
return tagsToReplace[tag] || tag;
}
function saf...
Android SDK manager won't open
So I installed the android sdk for Windows:
29 Answers
29
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