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Printing the last column of a line in a file
...record containing A1 and thus you get no output at all. This may be solved by switching tail and awk, searching first through the file and only then show the last line:
awk '/A1/ {print $NF}' file | tail -n1
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send mail from linux terminal in one line [closed]
... "The program 'mail' is currently not installed. You can install it by typing: apt-get install mailutils"
– Tom
Feb 1 '16 at 3:09
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How to reverse a 'rails generate'
... model/controller/migration ... to destroy or remove the changes generated by using the rails generate command.
For example:
rails g model Home name:string
creates a model named home with attribute name. To remove the files and code generated from that command we can use
rails d model Home
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Verifying that a string contains only letters in C#
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The answer provided by Muhammad Hasan Khan further down is worth looking at too. RegEx text comparison is slow.
– twoleggedhorse
Jul 17 at 15:01
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How to activate virtualenv?
...our environment is strange or it will cause you pain again in the future.)
By the way, you didn't need to chmod +x those files. Files only need to be executable if you want to execute them directly. In this case you're trying to launch them from ., so they don't need it.
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Disable cross domain web security in Firefox
...tps://github.com/fredericlb/Force-CORS/releases
You can even configure it by Referrers (Website).
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Visual Studio 2005/2012: How to keep first curly brace on same line?
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UPDATE: This was based on the book "Framework Design Guidelines" written by some of the core-people from the .NET-team. If you look at the source-code for the likes of ASP.NET MVC, this is no longer accurate.
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error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup
... point is, because you haven't defined ___tmainCRTStartup. You can do this by adding the following to Properties -> Linker -> Command line:
/ENTRY:"mainCRTStartup"
This way you get rid of the console window.
shar...
Checking if jquery is loaded using Javascript
...use jQuery to test your jQuery
When you are using any of the code provided by other users and if you want to display the message on your window and not on the alert or console.log, Then make sure you use javascript and not jquery.
Not everyone want to use alert or console.log
alert('jquery is workin...
Calling a method every x minutes
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Another way to set the interval is by passing in a timespan object. I think it's a little bit cleaner: Timespan.FromMinutes(5)
– Michael Haren
Oct 22 '12 at 20:41
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