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Why were pandas merges in python faster than data.table merges in R in 2012?
...cible benchmark. It upgrades tools to recent versions and re-run benchmark scripts. It runs many other software solutions. If you are interested in Spark, Dask and few others be sure to check the link.
As of now... (still to be implemented: one more data size and 5 more questions)
We tests 2 dif...
Tomcat: How to find out running tomcat version
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Try parsing or executing the Tomcat_home/bin directory and look for
a script named version.sh or version.bat depending on your
operating system.
Execute the script ./version.sh or version.bat
If there are no version.bat or version.sh then
use a tool to unzipping JAR files (\tomcat\server\lib\...
How to output git log with the first line only?
... on purpose.
The first line of a commit message is meant to be a short description. If you cannot make it in a single line you can use several, but git considers everything before the first empty line to be the "short description". oneline prints the whole short description, so all your 3 rows.
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Counting null and non-null values in a single query
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As i understood your query, You just run this script and get Total Null,Total NotNull rows,
select count(*) - count(a) as 'Null', count(a) as 'Not Null' from us;
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Command-line svn for Windows?
...s perfect command line svn alternative, because the other linux tools, and scripting possibilities. You need to select subversion package in cygwin setup, to access svn commands.
– voji
Oct 25 '15 at 7:08
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Round to at most 2 decimal places (only if necessary)
...1. IE9 does the same thing. This is due to floating point weirdness in javascript
– stinkycheeseman
Jul 26 '13 at 17:32
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How do I update a Python package?
...de all the outdated packages (that were installed using pip), just run the script bellow,
pip install $(pip list --outdated | awk '{ print $1 }') --upgrade
Here, pip list --outdated will list all the out dated packages and then we pipe it to awk, so it will print only the names.
Then, the $(...) ...
Is it better to specify source files with GLOB or each file individually in CMake?
... each file individually!
I use a conventional CMakeLists.txt and a python script to update it. I run the python script manually after adding files.
See my answer here:
https://stackoverflow.com/a/48318388/3929196
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What are the functional differences between NW.js, Brackets-Shell and Electron?
...s - runs on Windows, Mac, and Linux
language support - HTML5, CSS3 and Javascript : since they run javascript you can download and run nearly any library/framework that you want.
The big caveat on webkit is codec support. Typically you will have problems with non-free video codecs, unless you rebu...
Replacing some characters in a string with another character
... On Mac, I got the following: sed: illegal option -- r usage: sed script [-Ealn] [-i extension] [file ...] sed [-Ealn] [-i extension] [-e script] ... [-f script_file] ... [file ...]
– catanore
Sep 17 '13 at 8:14
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