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How do I use the conditional operator (? :) in Ruby?
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I think that leads to really hard to read code as the conditional test and/or results get longer.
I've read comments saying not to use the ternary operator because it's confusing, but that is a bad reason to not use something. By the same logic we shouldn't use regular expressions, range o...
Trying to fix line-endings with git filter-branch, but having no luck
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My procedure for dealing with the line endings is as follows (battle tested on many repos):
When creating a new repo:
put .gitattributes in the very first commit along with other typical files as .gitignore and README.md
When dealing with an existing repo:
Create / modify .gitattribute...
MySQL dump by query
...ldump to produce an output that you are waiting for:
mysqldump -u root -p test t1 --where="1=1 limit 100" > arquivo.sql
At most 100 rows from test.t1 will be dumped from database table.
Cheers,
WB
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How to delete a whole folder and content?
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I've done no tests for efficiency, but I believe mine is more robust. chirag's will work for the specific case of the DCIM folder, where folders within DCIM should contain only files (i.e. folders within DCIM don't normally contain any su...
Workflow for statistical analysis and report writing
...able (using quantmod). You can build this report like so:
Sweave(file = "test.Rnw")
Here's the Beamer document itself:
%
\documentclass[compress]{beamer}
\usepackage{Sweave}
\usetheme{PaloAlto}
\begin{document}
\title{test report}
\author{john doe}
\date{September 3, 2009}
\maketitle
\beg...
How do I echo and send console output to a file in a bat script?
... offers similar functionality. Get-Process | Tee-Object -file c:\scripts\test.txt
– Kevin Obee
Dec 2 '16 at 12:17
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How can I do string interpolation in JavaScript?
...0 to evaluate all the template strings shown above. You can also use the latest Chrome to test the above shown examples.
Note: ES6 Specifications are now finalized, but have yet to be implemented by all major browsers. According to the Mozilla Developer Network pages, this will be implemented for b...
git rebase without changing commit timestamps
...="%at %s" $GIT_COMMIT); grep -m 1 "$__log" ../../hashlog | cut -d" " -f1); test -n "$__date" && export GIT_COMMITTER_DATE=$__date || cat'
If something goes wrong, just checkout git reflog or all the refs/original/ refs.
Furthormore, you can do the similar thing to the author's timestamp.
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Token Authentication for RESTful API: should the token be periodically changed?
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Interesting solution, which I'll test out later; at the moment your post helped me to get on the right track as I'd simply forgot to set the AUTHENTICATION_CLASSES.
– normic
Jan 20 '17 at 3:02
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case-insensitive list sorting, without lowercasing the result?
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Case-insensitive sort, sorting the string in place, in Python 2 OR 3 (tested in Python 2.7.17 and Python 3.6.9):
>>> x = ["aa", "A", "bb", "B", "cc", "C"]
>>> x.sort()
>>> x
['A', 'B', 'C', 'aa', 'bb', 'cc']
>>> x.sort(key=str.lower) # <===== the...