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Efficient string concatenation in C++
...ring and various workarounds to speed up concatenation. Are any of these really necessary? If so, what is the best way to concatenate strings in C++?
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Why use deflate instead of gzip for text files served by Apache?
...is that the zlib wrapper is six bytes vs. 18 bytes for gzip. So for very small packets, there may be an advantage to sending 12 fewer bytes. The conclusion does not change however, which is that due to Microsoft screwing it up for everyone by misinterpreting what "deflate" meant in what they deliver...
Disable browsers vertical and horizontal scrollbars
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In case you need possibility to hide and show scrollbars dynamically you could use
$("body").css("overflow", "hidden");
and
$("body").css("overflow", "auto");
somewhere in your code.
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getActionBar() returns null
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out of all from here, this did it for me!
– msysmilu
Jan 23 '15 at 0:25
17
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How do I squash two non-consecutive commits?
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Initially, I read it as "rebase D onto A, squash D into A, then rebase B onto DA". It's not clear from the answer that this can be done by reordering lines in a text editor.
– Victor Sergienko
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symbol(s) not found for architecture i386
...est so you need to setup your project. Read the second part here
https://allseeing-i.com/ASIHTTPRequest/Setup-instructions
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Which parallel sorting algorithm has the best average case performance?
...If we have O(n) processors we would hope for a linear speedup. O(log n) parallel algorithms exist but they have a very high constant. They also aren't applicable on commodity hardware which doesn't have anywhere near O(n) processors. With p processors, reasonable algorithms should take O(n/p log n) ...
angularJS: How to call child scope function in parent scope
How can call a method defined in child scope from its parent scope?
4 Answers
4
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Eloquent Collection: Counting and Detect Empty
...port\Collection is always returned, even when there are no results. Essentially what you're checking is $a = new stdClass; if ($a) { ... } which will always return true.
To determine if there are any results you can do any of the following:
if ($result->first()) { }
if (!$result->isEmpty())...
Can you use reflection to find the name of the currently executing method?
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As of .NET 4.5 you can also use [CallerMemberName]
Example: a property setter (to answer part 2):
protected void SetProperty<T>(T value, [CallerMemberName] string property = null)
{
this.propertyValues[property] = value;
OnProp...