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Determine if running on a rooted device
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edited Apr 2 '18 at 10:34
V.Y.
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answered Ju...
What is Double Brace initialization in Java?
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Lukas EderLukas Eder
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Named regular expression group “(?Pregexp)”: what does “P” stand for?
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From: Guido van Rossum (gui...@CNRI.Reston.Va.US)
Date: Dec 10, 1997 3:36:19 pm
I have an unusual request for the Perl developers (those that develop
the Perl language). I hope this (perl5-porters) is the right list. I
am cc'ing the Python string-sig because it is the origi...
py2exe - generate single executable file
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106
PyInstaller will create a single .exe file with no dependencies; use the --onefile option. It ...
What are the differences between .gitignore and .gitkeep?
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
How to find the nearest parent of a Git branch?
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Sled
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answered Jul 2 '10 at 2:27
Chris JohnsenChris Johnsen
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Why do you need to create a cursor when querying a sqlite database?
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– Shaun Mitchell
Jun 12 '11 at 3:10
1
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Unignore subdirectories of ignored directories in Git
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edited Mar 10 '11 at 15:46
answered Mar 10 '11 at 15:40
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Calculate the median of a billion numbers
...f the network can be presumed to be instantaneous, for example if you have 100 cores with equal access to RAM containing the data.
Since network I/O is likely to be the bound, there might be some tricks you can play, at least for the data coming back to the control machine. For example, instead of ...
Reshape three column data frame to matrix (“long” to “wide” format) [duplicate]
...r, with the daply function, as shown here: https://stackoverflow.com/a/7020101/210673
library(plyr)
daply(tmp, .(x, y), function(x) x$z)
## y
## x a b c
## x 1 2 3
## y 3 3 2
Using matrix indexing:
This is kinda old school but is a nice demonstration of matrix indexing, which can be rea...