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Pandas convert dataframe to array of tuples
...e any reason that we'd think that the accepted answer is faster? The quick test I did indicates that the itertuples version is faster.
– T.C. Proctor
Mar 1 '19 at 19:27
2
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What are the performance characteristics of sqlite with very large database files? [closed]
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So I did some tests with sqlite for very large files, and came to some conclusions (at least for my specific application).
The tests involve a single sqlite file with either a single table, or multiple tables. Each table had about 8 colum...
JavaScript - Get Portion of URL Path
...e: http://jessepollak.me/chrome-was-wrong-ie-was-right
This works in the latest versions of Chrome and Firefox. I do not have versions of Internet Explorer to test, so please test yourself with the JSFiddle example.
JSFiddle example
There's also a coming URL object that will offer this support for U...
Copy to clipboard in Node.js?
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Shortest way in Windows:
const util = require("util");
require('child_process').spawn('clip').stdin.end(util.inspect("content_for_the_clipboard"));
sha...
Batch equivalent of Bash backticks
...scripts with the for /f command:
for /f "usebackq tokens=*" %%a in (`echo Test`) do my_command %%a
Yeah, it's kinda non-obvious (to say the least), but it's what's there.
See for /? for the gory details.
Sidenote: I thought that to use "echo" inside the backticks in a "for /f" command would nee...
What is a Shim?
... framework to isolate your application from other assemblies for unit testing. Shims divert calls to specific methods to code that you write as part of your test
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Sort a text file by line length including spaces
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Answer
cat testfile | awk '{ print length, $0 }' | sort -n -s | cut -d" " -f2-
Or, to do your original (perhaps unintentional) sub-sorting of any equal-length lines:
cat testfile | awk '{ print length, $0 }' | sort -n | cut -d" " -f2...
Run single test from a JUnit class using command-line
I am trying to find an approach that will allow me to run a single test from a JUnit class using only command-line and java.
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How do I perform an IF…THEN in an SQL SELECT?
...lumnname>
FROM <table>
The extended case:
SELECT CASE WHEN <test> THEN <returnvalue>
WHEN <othertest> THEN <returnthis>
ELSE <returndefaultcase>
END AS <newcolumnname>
FROM <table>
You can ev...
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”
...sn't deserve its own answer but make sure that the scope isn't just set to test. (<scope>test</scope>; don't do this)
– BWC semaJ
Mar 4 '19 at 5:08
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