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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 take screenshot of a div with JavaScript?
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10 Answers
10
Active
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How to get all enum values in Java?
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answered Feb 16 '10 at 0:19
ColinDColinD
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How do I limit the number of results returned from grep?
I would like to say 10 lines max from grep.
5 Answers
5
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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]
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502
Here's a nice fun LINQ example.
public static byte[] StringToByteArray(string hex) {
retur...
What's the difference between eval, exec, and compile?
... as an expression, so it really does not return anything).
In versions 1.0 - 2.7, exec was a statement, because CPython needed to produce a different kind of code object for functions that used exec for its side effects inside the function.
In Python 3, exec is a function; its use has no effect ...
TimeStamp on file name using PowerShell
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edited Dec 14 '16 at 20:13
Peter Mortensen
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Scoping in Python 'for' loops
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109
The likeliest answer is that it just keeps the grammar simple, hasn't been a stumbling block fo...
Install go with brew, and running the gotour
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Custodio
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answered Dec 30 '14 at 17:36
user2562923user2...