大约有 35,453 项符合查询结果（耗时：0.0607秒） [XML]
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...
How can I configure NetBeans to insert tabs instead of a bunch of spaces?
...the Formatting category.
These menu items remain valid as of NetBeans 8.0.
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Adding System.Web.Script reference in class library
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answered Jul 20 '09 at 22:31
M4NM4N
88.4k4242 gold badges208208 silver badges253253 bronze badges
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How to get all enum values in Java?
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answered Feb 16 '10 at 0:19
ColinDColinD
101k2626 gold badges190190 silver badges195195 bronze badges
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How can I use Server.MapPath() from global.asax?
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answered Jun 1 '09 at 18:05
Corbin MarchCorbin March
24.5k66 gold badges6767 silver badges9797 bronze badges
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function declaration isn't a prototype
...oo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments.
If you have a variable a, extern int a; is a way to tell the compiler that a is a symbol that might be presen...
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...