大约有 35,494 项符合查询结果（耗时：0.0895秒） [XML]
How to go back to lines edited before the last one in Vim?
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edited Sep 10 '12 at 4:25
Jacob Marble
23.5k1717 gold badges5959 silver badges7474 bronze badges
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How can I check if a Perl array contains a particular value?
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190
Simply turn the array into a hash:
my %params = map { $_ => 1 } @badparams;
if(exists($para...
String.replaceAll without RegEx
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190
Just use String.replace(CharSequence,CharSequence) rather than replaceAll.
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Meaning of “[: too many arguments” error from if [] (square brackets)
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VARIABLE=$(/some/command);
# returns "hello world"
if [ $VARIABLE == 0 ]; then
# fails as if you wrote:
# if [ hello world == 0 ]
fi
The same will be true for any function call that puts down a string containing spaces or other special characters.
Easy fix
Wrap the variable output i...
How to install Google Play Services in a Genymotion VM (with no drag and drop support)?
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As of Genymotion 2.10.0 and onwards, GApps can be installed from the emulator toolbar.
Please refer to answer by @MichaelStoddart.
Next follows former answer kept here for historic reason:
Genymotion doesn't provide Google Apps. To install Goo...
What's the false operator in C# good for?
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edited Aug 19 '15 at 13:06
Anton Gogolev
105k3636 gold badges187187 silver badges274274 bronze badges
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How can I convert a hex string to a byte array? [duplicate]
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502
Here's a nice fun LINQ example.
public static byte[] StringToByteArray(string hex) {
retur...
Convert Object to JSON string
...t is to be converted to JSON string
I got a link http://www.devcurry.com/2010/03/convert-javascript-object-to-json.html
but it need to have json2.js do jQuery has a native method to do this?
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Using Position Relative/Absolute within a TD?
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190
This is because according to CSS 2.1, the effect of position: relative on table elements is unde...
How to do a batch insert in MySQL
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304
From the MySQL manual
INSERT statements that use VALUES
syntax can insert multiple rows. ...