大约有 40,000 项符合查询结果（耗时：0.0635秒） [XML]
Meaning of “[: too many arguments” error from if [] (square brackets)
...:
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)?
...
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...
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?
...
Using Position Relative/Absolute within a TD?
...
190
This is because according to CSS 2.1, the effect of position: relative on table elements is unde...
CSS: How to have position:absolute div inside a position:relative div not be cropped by an overflow:
...#box2 { position: absolute }
#box3 { position: absolute; top: 10px }
/* Styling */
#box1 { background: #efe; padding: 5px; width: 125px }
#box2 { background: #fee; padding: 2px; width: 100px; height: 100px }
#box3 { background: #eef; paddi...
Adding System.Web.Script reference in class library
...
answered Jul 20 '09 at 22:31
M4NM4N
88.4k4242 gold badges208208 silver badges253253 bronze badges
...
How to get all enum values in Java?
...
answered Feb 16 '10 at 0:19
ColinDColinD
101k2626 gold badges190190 silver badges195195 bronze badges
...
How do I limit the number of results returned from grep?
I would like to say 10 lines max from grep.
5 Answers
5
...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...epends on GMP and MPFR.
wget ftp://gcc.gnu.org/pub/gcc/infrastructure/mpc-0.8.1.tar.gz
tar zxvf mpc-0.8.1.tar.gz
cd mpc-0.8.1
./configure --disable-shared --enable-static --prefix=/tmp/gcc --with-gmp=/tmp/gcc --with-mpfr=/tmp/gcc
make && make check && make install
ELF
ELF stands ...
How can I convert a hex string to a byte array? [duplicate]
...
502
Here's a nice fun LINQ example.
public static byte[] StringToByteArray(string hex) {
retur...