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Using the slash character in Git branch name
I'm pretty sure I saw somewhere in a popular Git project the branches had a pattern like "feature/xyz".
5 Answers
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Difference between Document-based and Key/Value-based databases?
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The main differences are the data model and the querying capabilities.
Key-value stores
The first type is very simple and probably doesn't need any further explanation.
Data model: more than key-value stores
Although there is s...
Search for “does-not-contain” on a DataFrame in pandas
I've done some searching and can't figure out how to filter a dataframe by df["col"].str.contains(word) , however I'm wondering if there is a way to do the reverse: filter a dataframe by that set's compliment. eg: to the effect of !(df["col"].str.contains(word)) .
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Proper usage of Java -D command-line parameters
When passing a -D parameter in Java, what is the proper way of writing the command-line and then accessing it from code?
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curl_exec() always returns false
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Error checking and handling is the programmer's friend. Check the return values of the initializing and executing cURL functions. curl_error() and curl_errno() will contain further information in case of failure:
try {
$ch = curl_i...
setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
I know that the auto layout chain consists in basically 3 different process.
2 Answers
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Ignore modified (but not committed) files in git?
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check out the git-update-index man page and the --assume-unchanged bit and related.
when I have your problem I do this
git update-index --assume-unchanged dir-im-removing/
or a specific file
git update-index --assume-unchanged config/database.ym...
Return first match of Ruby regex
I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first match.
5 Answers
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Python - abs vs fabs
I noticed that in python there are two similar looking methods for finding the absolute value of a number:
4 Answers
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Python argparse command line flags without arguments
How do I add an optional flag to my command line args?
4 Answers
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