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mkdir's “-p” option
...oes in Unix. I used it for a lab assignment while creating a subdirectory and then another subdirectory within that one. It looked like this:
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How to replace (or strip) an extension from a filename in Python?
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Expanding on AnaPana's answer, how to remove an extension using pathlib (Python >= 3.4):
>>> from pathlib import Path
>>> filename = Path('/some/path/somefile.txt')
>>> filename_wo_ext = filename...
Undo part of unstaged changes in git
...h lets you choose individual hunks from the diff between your working copy and index to revert. Likewise, git add -p allows you to choose hunks to add to the index, and git reset -p allows you to choose individual hunks from the diff between the index and HEAD to back out of the index.
$ git checko...
Run PostgreSQL queries from the command line
I inserted a data into a table....I wanna see now whole table with rows and columns and data. How I can display it through command?
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How to make my font bold using css?
I'm very new to HTML and CSS and I was just wondering how I could make my font bold using CSS.
10 Answers
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Unix - create path of folders and file
I know you can do mkdir to create a directory and touch to create a file, but is there no way to do both operations in one go?
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Cluster analysis in R: determine the optimal number of clusters
..., calinski.best, "\n")
# 5 clusters!
Four. Determine the optimal model and number of clusters according to the Bayesian Information Criterion for expectation-maximization, initialized by hierarchical clustering for parameterized Gaussian mixture models
# See http://www.jstatsoft.org/v18/i06/pap...
What is meant by Resource Acquisition is Initialization (RAII)?
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It's a really terrible name for an incredibly powerful concept, and perhaps one of the number 1 things that C++ developers miss when they switch to other languages. There has been a bit of a movement to try to rename this concept as Scope-Bound Resource Management, though it doesn't seem...
Are nested HTML comments possible?
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Yes, HTML and XML don't allow to nest comments using <!--. What you can do in your own code is define a comment element and ignore it actively during parsing.
– Aaron Digulla
Jan 14 '09 at 14:0...
How to make a promise from setTimeout
This is not a realworld problem, I'm just trying to understand how promises are created.
2 Answers
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