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What is the meaning of “$” sign in JavaScript
In the following JavaScript code there is a dollar ( $ ) sign. What does it mean?
7 Answers
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Docker - how can I copy a file from an image to a host?
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I am using boot2docker on MacOS. I can assure you that scripts based on "docker cp" are portable. Because any command is relayed inside boot2docker but then the binary stream is relayed back to the docker command line client running on your mac. So write operations from the docke...
Remove Identity from a column in a table
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@simon if you script out your changes, you'll see SSMS is actually creating a copy of the table w/o the identity property.
– Code Magician
Nov 22 '11 at 16:47
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Removing colors from output
I have some script that produces output with colors and I need to remove the ANSI codes.
13 Answers
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Is there a way to use shell_exec without waiting for the command to complete?
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I usually get PID of running script by adding echo $! >> /tmp/pid.txt at the end of exec command but by redirecting output & error to /dev/null, no more pid file : does any of you can get PID of script launched by exec while not waiting for ou...
Post data to JsonP
...same origin policy. JSON-P only works because you're allowed to insert <script> tags into the DOM, and they can point anywhere.
You can, of course, make a page on another domain the action of a regular form POST.
Edit: There are some interesting hacks out there if you're willing to go to a l...
How to manually expand a special variable (ex: ~ tilde) in bash
I have a variable in my bash script whose value is something like this:
15 Answers
15
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How can I create directory tree in C++/Linux?
... would fail.
** With the EEXIST test, code does not fail.
**
** Test shell script
** PREFIX=mkpath.$$
** NAME=./$PREFIX/sa/32/ad/13/23/13/12/13/sd/ds/ww/qq/ss/dd/zz/xx/dd/rr/ff/ff/ss/ss/ss/ss/ss/ss/ss/ss
** : ${MKPATH:=mkpath}
** ./$MKPATH $NAME &
** [...repeat a dozen times or so...]
** ./$MKPA...
How to iterate through two lists in parallel?
...ion where the number of repetitions used was 1000 times. One of the Python scripts that I had created to perform these investigations is given below. The sizes of the foo and bar lists had ranged from 10 to 1,000,000 elements.
Results:
For printing purposes: The performances of all the considered a...
Best way to do Version Control for MS Excel
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This script above is far from perfect. The importCodeModules() sub is buggy and produces duplicate modules. Moreover, you'll need to edit every single workbook to add the open and before_save events. This is unacceptable. After ...
