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In log4j, does checking isDebugEnabled before logging improve performance?
...emperature set to {}. Old temperature was {}.", t, oldT);
This will only convert the passed in parameters to strings if debug is enabled. SLF4J as its name suggests is only a facade and the logging calls can be passed to log4j.
You could also very easily "roll your own" version of this.
Hope thi...
Find location of a removable SD card
...se, I discarded that path from the list.
Whatever was left in the list, I converted to a String[] array so it could be used by the ListPreference values attribute.
You can view the code here: http://sapienmobile.com/?p=204
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C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H
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Use Encoding.Convert to adjust the byte array before attempting to decode it into your destination encoding.
Encoding iso = Encoding.GetEncoding("ISO-8859-1");
Encoding utf8 = Encoding.UTF8;
byte[] utfBytes = utf8.GetBytes(Message);
byte...
STL or Qt containers?
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I started by using std::(w)string and the STL containers exclusively and converting to/from the Qt equivalents, but I have already switched to QString and I find that I'm using Qt's containers more and more.
When it comes to strings, QString offers much more complete functionality compared to std...
Convert XML to JSON (and back) using Javascript
How would you convert from XML to JSON and then back to XML?
12 Answers
12
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Which C++ idioms are deprecated in C++11?
...s deduced as an int and not as a null pointer constant. And it can not be converted back to a null pointer constant after that. This cascades into a quagmire of problems that simply do not exist if the universe used only nullptr.
C++11 does not deprecate 0 and NULL as null pointer constants. But...
How to convert a SVG to a PNG with ImageMagick?
...have a SVG file that has a defined size of 16x16. When I use ImageMagick's convert program to convert it into a PNG, then I get a 16x16 pixel PNG which is way too small:
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How to find difference between two Joda-Time DateTimes in minutes
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Does the above take into account time zones? Or should I convert to UTC / GMT first?
– Doo Dah
Apr 21 '16 at 1:15
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How to convert an array into an object using stdClass() [duplicate]
... is this stdClass object just call this
print_r($clasa);
If you want to convert an array to object code will be
$arr = array('a'=>'apple','b'=>'ball');
$arr = (object) $arr;
You don't need to use stdClass. It will automatically converted to stdClass
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Split list into smaller lists (split in half)
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also useful to convert list to matrix
– mpgn
Nov 10 '15 at 21:05
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