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How to check if a file contains a specific string using Bash
...n't need the string displayed when it was found.
The grep command returns 0 or 1 in the exit code depending on
the result of search. 0 if something was found; 1 otherwise.
$ echo hello | grep hi ; echo $?
1
$ echo hello | grep he ; echo $?
hello
0
$ echo hello | grep -q he ; echo $?
0
You can sp...
How to move a git repository into another directory and make that directory a git repository?
...
110
It's very simple. Git doesn't care about what's the name of its directory. It only cares what's ...
HTML File Selection Event
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answered Aug 20 '10 at 5:21
AnuragAnurag
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Is there a way to use SVG as content in a pseudo element :before or :after
...ex.html I have:
<div id="test" style="content: url(test.svg); width: 200px; height: 200px;"></div>
And my test.svg looks like this:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline po...
How to get arguments with flags in Bash
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303
This is the idiom I usually use:
while test $# -gt 0; do
case "$1" in
-h|--help)
e...
what is the use of xsi:schemaLocation?
...|
edited Dec 19 '16 at 16:03
rogerdpack
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an...
TCP loopback connection vs Unix Domain Socket performance
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105
Yes, local interprocess communication by unix domain sockets should be faster than communicatio...
@OneToMany List vs Set difference
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answered Jul 3 '11 at 13:03
JB NizetJB Nizet
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How do you determine the size of a file in C?
...char *filename) {
struct stat st;
if (stat(filename, &st) == 0)
return st.st_size;
return -1;
}
Changes:
Made the filename argument a const char.
Corrected the struct stat definition, which was missing the variable name.
Returns -1 on error instead of 0, which would b...
Is it possible to have multiple styles inside a TextView?
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answered Oct 7 '09 at 18:58
LegendLegend
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