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How to make “if not true condition”?
...r by way of example:
In order to make sure data loggers are online a cron script runs every 15 minutes that looks like this:
#!/bin/bash
#
if ! ping -c 1 SOLAR &>/dev/null
then
echo "SUBJECT: SOLAR is not responding to ping" | ssmtp abc@def.com
echo "SOLAR is not responding to ping" | ...
Get Character value from KeyCode in JavaScript… then trim
...omCharCode expects unicode charcodes as an argument; e.keyCode returns javascript keycodes. Javascript keycodes and unicode charcodes are not the same thing! In particular, the numberpad keys return a different keycode from the ordinary number keys (since they are different keys) while the same ke...
Is there a TRY CATCH command in Bash
I'm writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way.
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Execute command on all files in a directory
...rough a program. The program outputs the results to standard out. I need a script that will go into a directory, execute the command on each file, and concat the output into one big output file.
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Extracting text OpenCV
...ected as a separate block, delimited from its surroundings.
Using the same script with the same parameters (except for thresholding type that was changed for the second image like described below), here are the results for the other 2 cards:
Tuning the parameters
The parameters (threshold value, d...
Comparing date part only without comparing time in JavaScript
...
I'm still learning JavaScript, and the only way that I've found which works for me to compare two dates without the time is to use the setHours method of the Date object and set the hours, minutes, seconds and milliseconds to zero. Then compare the...
How to print the ld(linker) search path
... compile a source code from makefile or generating makefile from configure script or from CMakeLists.txt or even more complicated ones such as vala or srt. It's hard for me to modify ld search path in such cases
– kenn
Sep 9 '14 at 10:18
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How to detect the OS from a Bash script?
...ve some OS specific aliases so I was looking for a way to determine if the script is running on Mac OS X, Linux or Cygwin .
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Include constant in string without concatenating
...specialchars( (string) $string, ENT_QUOTES, 'utf-8' );
};
$userText = "<script>alert('xss')</script>";
echo( "You entered {$escape( $userText )}" );
Produces properly escaped html as expected.
Callback arrays not allowed!
If by now you are under the impression that the function name ...
How to suppress Update Links warning?
I'm trying to write a script that opens many Excel files. I keep getting the prompt:
7 Answers
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