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What's better to use in PHP, $array[] = $value or array_push($array, $value)?
...8 // array[]
This shouldn't be surprising, as the PHP manual notes this:
If you use array_push() to add one element to the array it's better to use $array[] = because in that way there is no overhead of calling a function.
The way it is phrased I wouldn't be surprised if array_push is more effic...
How to append a char to a std::string?
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You want to be careful with this because if you get into the habit, this will compile just fine if y is a char* instead of std::string. It'd add d characters to the pointer y.
– Zan Lynx
Mar 14 '11 at 23:28
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jQuery selector regular expressions
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The answer below from nickf should be the accepted one. If you are reading this answer, be sure to read that one!
– Quentin Skousen
Sep 17 '14 at 19:58
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Using Enums while parsing JSON with GSON
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Gson provides default serialization and deserialization for Enums... If you would prefer to change the default representation, you can do so by registering a type adapter through GsonBuilder.registerTypeAdapter(Type, Object).
Following is one such approach.
import java.io.FileReader;
import...
Inserting HTML elements with JavaScript
...all modern browsers. For IE 5.5 and below you could perform a check like:: if (document.createDocumentFragment) { create('...'); } else { /* Use innerHTML perhaps */ }
– James
May 2 '09 at 14:41
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What encoding/code page is cmd.exe using?
...sometimes they do not.
First of all, Unicode characters will only display if the
current console font contains the characters. So use
a TrueType font like Lucida Console instead of the default Raster Font.
But if the console font doesn’t contain the character you’re trying to display,
you’ll...
How do I upload a file with metadata using a REST web service?
... space/capacity. Or you could implement some kind of round robin approach if bandwidth is an issue.
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Why are Perl 5's function prototypes bad?
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Prototypes aren't bad if used correctly. The difficulty is that Perl's prototypes don't work the way people often expect them to. People with a background in other programming languages tend to expect prototypes to provide a mechanism for checking...
Why does only the first line of this Windows batch file execute but all three lines execute in a com
...new window to spawn, and each of the three commands will run in parallel. If you need them to run synchronously, use call.
– akf
Oct 27 '10 at 19:33
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How to avoid “Permission denied” when using pip with virtualenv
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if I want to create it in /opt which requires sudo, I think virtualenv won't install without sudo.
– Umair A.
Dec 12 '13 at 13:10
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