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How to printf “unsigned long” in C?
I can never understand how to print unsigned long datatype in C.
8 Answers
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How do I merge my local uncommitted changes into another Git branch?
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Since your files are not yet committed in branch1:
git stash
git checkout branch2
git stash pop
or
git stash
git checkout branch2
git stash list # to check the various stash made in different branch
git stash apply x # t...
How to check if running as root in a bash script
I'm writing a script that requires root level permissions, and I want to make it so that if the script is not run as root, it simply echoes "Please run as root." and exits.
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Efficient way to remove keys with empty strings from a dict
I have a dict and would like to remove all the keys for which there are empty value strings.
17 Answers
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How to update attributes without validation
I've got a model with its validations, and I found out that I can't update an attribute without validating the object before.
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How can you encode a string to Base64 in JavaScript?
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You can use btoa() and atob() to convert to and from base64 encoding.
There appears to be some confusion in the comments regarding what these functions accept/return, so…
btoa() accepts a “string” where each character ...
Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
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What to do about Eclipse's “No repository found containing: …” error messages?
I'm running Eclipse's Helios EE bundle on Linux to which I added the subversive plugins, the m2e Maven integration and the Mylin connector for Trac. For the last couple of weeks I've been trying to install updates, and every time I get back a message like
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Remove blank attributes from an Object in Javascript
How do I remove all attributes which are undefined or null in a JavaScript object?
37 Answers
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In Scala how do I remove duplicates from a list?
Suppose I have
8 Answers
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