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How to properly document S4 class slots using Roxygen2?
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Updated answer for Roxygen2 5.0.1, current as of 6.0.1
For S4, the best practice now is documen...
Trying to add adb to PATH variable OSX
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save file and reload file
source ~/.bash_profile
check if adb was set into path
adb version
One liner version
Echo your export command and redirect the output to be appended to .bash_profile file and restart terminal. (have not verified this but should work)
echo "export PATH=$...
check if jquery has been loaded, then load it if false
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10 Answers
10
Active
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Javascript shorthand ternary operator
...:)
– Web_Designer
Jan 16 '12 at 18:10
8
For anyone curious, this works because JS's || operator d...
Show constraints on tables command
I have tables that I've tried setting PK FK relationships on but I want to verify this. How can I show the PK/FK restraints? I saw this manual page, but it does not show examples and my google search was fruitless also. My database is credentialing1 and my constrained tables are practices and ...
How to check if a string starts with a specified string? [duplicate]
...Use the substr function to return a part of a string.
substr( $string_n, 0, 4 ) === "http"
If you're trying to make sure it's not another protocol. I'd use http:// instead, since https would also match, and other things such as http-protocol.com.
substr( $string_n, 0, 7 ) === "http://"
And in...
How to find the Git commit that introduced a string in any branch?
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Pay attention not to use spaces between S and "string_to_search". In some setups (git 1.7.1), you'll get an error like:
fatal: ambiguous argument 'string_to_search': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions
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Get querystring from URL using jQuery [duplicate]
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From: http://jquery-howto.blogspot.com/2009/09/get-url-parameters-values-with-jquery.html
This is what you need :)
The following code will return a JavaScript Object containing the URL parameters:
// Read a page's GET URL variables and return them as an associat...
Replace multiple characters in one replace call
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edited Jul 4 '15 at 0:36
answered May 16 '13 at 0:11
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How can two strings be concatenated?
... annoying. Really, they should all spit out warnings unless some option is set...
– naught101
Jul 19 '14 at 10:58
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