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How to find out what character key is pressed?
...hat character key is pressed in a cross-browser compatible way in pure Javascript.
8 Answers
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Create timestamp variable in bash script
I am trying to create a timestamp variable in a shell script to make the logging a little easier. I want to create the variable at the beginning of the script and have it print out the current time whenever I issue echo $timestamp . It proving to be more difficult then I thought. Here are some thin...
Using curl POST with variables defined in bash script functions
...d be quoted.
First, write a function that generates the post data of your script. This saves you from all sort of headaches concerning shell quoting and makes it easier to read an maintain the script than feeding the post data on curl's invocation line as in your attempt:
generate_post_data()
{
...
How does SIGINT relate to the other termination signals such as SIGTERM, SIGQUIT and SIGKILL?
... things we had already seen in man 7 signal:
Signal Default Action Description
SIGABRT A Process abort signal.
SIGALRM T Alarm clock.
SIGBUS A Access to an undefined portion of a memory object.
SIGCHLD I Child process termina...
How can I use swift in Terminal?
...
In Xcode 6.1.1 with Command Line Tools installed you can execute scripts by referencing directly to /usr/bin/swift the following way:
#!/usr/bin/swift
let variable: String = "string"
print("Test \(variable)")
sh...
What's the difference between UTF-8 and UTF-8 without BOM?
... It might not be recommended but it did wonders to my powershell script when trying to output "æøå"
– Marius
Nov 12 '13 at 9:22
63
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Cron jobs and random times, within given hours
I need the ability to run a PHP script 20 times a day at completely random times. I also want it to run only between 9am - 11pm.
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...cording to the bash manual:
Referencing an array variable without a subscript is equivalent to referencing the array with a subscript of 0.
In other words, if you don't supply an index with [], you get the first element of the array:
foo=(a b c)
echo $foo
# a
Which is exactly the same as
f...
What does $@ mean in a shell script?
What does a dollar sign followed by an at-sign ( @ ) mean in a shell script?
6 Answers
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How to use executables from a package installed locally in node_modules?
...rsion of a module in node.js . For example, in my app, I installed coffee-script:
22 Answers
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