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sed or awk: delete n lines following a pattern
How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline.
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Random number generation in C++11: how to generate, how does it work? [closed]
...ers and turn them into our desired distribution, like Uniform[0,2] in the example. Best to leave this to a good library!
Engines
Thus at the heart of all randomness is a good pseudo-random number generator that generates a sequence of numbers that uniformly distributed over a certain interval, and...
Why is this program valid? I was trying to create a syntax error
...d with a Git pre-commit hook to detect programs being checked in with syntax errors. (Somehow I just managed to do such a bad commit.) So as a test program I randomly jotted this:
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How do I tell Spring Boot which main class to use for the executable jar?
...s in your pom:
<properties>
<!-- The main class to start by executing java -jar -->
<start-class>com.mycorp.starter.HelloWorldApplication</start-class>
</properties>
or
<build>
<plugins>
<plugin>
<groupId>org.springframew...
Run R script from command line
...f you're relying on anything that methods provides you'll want to load it explicitly in your script.
If you really want to use the ./a.R way of calling the script you could add an appropriate #! to the top of the script
#!/usr/bin/env Rscript
sayHello <- function(){
print('hello')
}
sayHell...
How to restore the permissions of files and directories within git if they have been modified?
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Git keeps track of filepermission and exposes permission changes when creating patches using git diff -p. So all we need is:
create a reverse patch
include only the permission changes
apply the patch to our working copy
As a one-liner:
git diff -p -R --no-ext...
How to find the mime type of a file in python?
...s.com/file python-magic from darwinsys.com/file and which comes with Linux Fedora works like @toivotuo's said. And seems more main stream.
– Sérgio
Oct 22 '11 at 11:52
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Using pip behind a proxy with CNTLM
I am trying to use pip behind a proxy at work.
32 Answers
32
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How can I click a button behind a transparent UIView?
...with one sub view. the subview takes up the center of the screen with 100 px margins on all sides. We then add a bunch of little stuff to click on inside that subview. We are only using the subview to take advantage of the new frame ( x=0, y=0 inside the subview is actually 100,100 in the parent vie...