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Order data frame rows according to vector with specific order
...work as long as your target contains exactly the same elements as df$name, and neither contain duplicate values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its second.
Therefore match finds the row numbers that matches target's elements, and...
Given final block not properly padded
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If you try to decrypt PKCS5-padded data with the wrong key, and then unpad it (which is done by the Cipher class automatically), you most likely will get the BadPaddingException (with probably of slightly less than 255/256, around 99.61%), because the padding has a special structure w...
Add MIME mapping in web.config for IIS Express
...ow.com/a/5142316/135441
Update 4/10/2013
Spec is now a recommendation and the MIME type is officially: application/font-woff
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Why is an MD5 hash created by Python different from one created using echo and md5sum in the shell?
A Python MD5 hash is different than the one created by the md5sum command on the shell. Why?
1 Answer
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PHP DOMDocument loadHTML not encoding UTF-8 correctly
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Still in 2017 this answer is relevant and worked for me too. I had my database, multibyte, html meta tag and DOM encoding all set to utf8 and still had bad encoding on importing node from one DOC to another. php.net/manual/en/function.mb-convert-encoding.php was ...
How do I create a random alpha-numeric string in C++?
I'd like to create a random string, consisting of alpha-numeric characters. I want to be able to be specify the length of the string.
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Pull new updates from original GitHub repository into forked GitHub repository
I forked someone's repository on GitHub and would like to update my version with commits and updates made in the original repository. These were made after I forked my copy.
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PostgreSQL delete all content
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Use the TRUNCATE TABLE command.
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How can I rename a project folder from within Visual Studio?
... the extra steps required.
To rename a project's folder, file (.*proj) and display name in Visual Studio:
Close the solution.
Rename the folder(s) outside Visual Studio. (Rename in TFS if using source control)
Open the solution, ignoring the warnings (answer "no" if asked to load a project fro...
Passing command line arguments in Visual Studio 2010?
I am working on a C project and can not figure out how to pass command line arguments to my main function in Visual Studio 2010 Express Edition. I want to debug - how do these command line arguments work?
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