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Find if current time falls in a time range
...e the accepted one... This one doesn't check for TimeSpans over days, e.g. from 22:00:00 to 02:00:00...
– FranzHuber23
Nov 8 '17 at 20:36
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Prevent row names to be written to file when using write.csv
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write.csv(t, "t.csv", row.names=FALSE)
From ?write.csv:
row.names: either a logical value indicating whether the row names of
‘x’ are to be written along with ‘x’, or a character vector
of row names to be written.
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CocoaPods Errors on Project Build
... result to a git remote repo.. all the clients who cloned my repo suffered from the above error. Inspired by Hlung's comment above, I realized that there were some dangling pod scripts that were attempting to run against some non-existent files. So I went to my target build phase, and deleted all th...
How many concurrent requests does a single Flask process receive?
...e are layers of software implementation that abstract the bottom level CPU from us and make us think we are running code concurrently.
These "things" can be processes, which are units of code that get run concurrently in the sense that each process thinks its running in its own world with its own, ...
How is the 'use strict' statement interpreted in Node.js? [duplicate]
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ECMAScript 6:
ECMAScript 6 Code & strict mode. Following is brief from the specification:
10.2.1 Strict Mode Code
An ECMAScript Script syntactic unit may be processed using either unrestricted or strict mode syntax and semantics. Code is interpreted as strict mode code in the follo...
How can I recursively find all files in current and subfolders based on wildcard matching?
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@iobender - Sadly, I can tell you from experience that not all systems come with a find command that supports those options. Sometimes grep becomes the only option.
– Mr. Llama
Jul 5 '18 at 17:36
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Devise Secret Key was not set
...how do you get them to your production environment? You push them directly from your local development environment to heroku using figaro, and your secret keys will end up as environment variables on heroku
– ahnbizcad
Jan 31 '15 at 10:00
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Syntax for a single-line Bash infinite while loop
...ation of semicolons and/or braces. I'd like to do this, but as a one-liner from the command line:
12 Answers
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Convert DOS line endings to Linux line endings in Vim
...see on screen):
:w ++ff=dos
:w ++ff=mac
:w ++ff=unix
And you can use it from the command-line:
for file in *.cpp
do
vi +':w ++ff=unix' +':q' "$file"
done
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Is it better to use std::memcpy() or std::copy() in terms to performance?
...ns. However, after my first few attempts, I got results that varied wildly from one run to the next, so I'm guessing there was some sort of OS activity going on. I decided to start over.
Same compiler settings and flags. There is only one version of MD5, and it's faster than SHA-2, so I did 3000 lo...