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How do I use shell variables in an awk script?
... v1.5
Using -v (The best way, most portable)
Use the -v option: (P.S. use a space after -v or it will be less portable. E.g., awk -v var= not awk -vvar=)
variable="line one\nline two"
awk -v var="$variable" 'BEGIN {print var}'
line one
line two
This should b...
Prevent line-break of span element
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Put this in your CSS:
white-space:nowrap;
Get more information here: http://www.w3.org/wiki/CSS/Properties/white-space
white-space
The white-space property declares how white space inside the element is handled.
Values
normal
This value directs user agents to collapse...
How to change value of process.env.PORT in node.js?
I'd like to change the value of process.env.PORT , how can I do this?
4 Answers
4
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Open and write data to text file using Bash?
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echo "some data for the file" >> fileName
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Is it possible to pass query parameters via Django's {% url %} template tag?
...y add them to the end:
<a href="{% url myview %}?office=foobar">
For Django 1.5+
<a href="{% url 'myview' %}?office=foobar">
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onNewIntent() lifecycle and registered listeners
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onNewIntent() is meant as entry point for singleTop activities which already run somewhere else in the stack and therefore can't call onCreate(). From activities lifecycle point of view it's therefore needed to call onPause() before onNewIntent(). I suggest you to...
While loop to test if a file exists in bash
I'm working on a shell script that does certain changes on a txt file only if it does exist, however this test loop doesn't work, I wonder why?
Thank you!
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What are differences between PECL and PEAR?
I can see that GD library is for images. But I can't see differences between PECL and PEAR.
Both have authentication.
What are the main differences between two?
Why don't they combine them?
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How do I discard unstaged changes in Git?
How do I discard changes in my working copy that are not in the index?
36 Answers
36
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How do I create a class instance from a string name in ruby?
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Note that Object.const_get('Foo::Bar') will not work, while constantize will.
– Marc-André Lafortune
May 8 '11 at 4:49
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