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NPM global install “cannot find module”
...NODE_PATH
My NODE_PATH was empty, and running npm install --global --verbose promised-io showed that it was installing into /opt/lib/node_modules/promised-io:
[root@uberneek ~]# npm install --global --verbose promised-io
npm info it worked if it ends with ok
npm verb cli [ '/opt/bin/node',
npm ve...
Insert a line at specific line number with sed or awk
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OS X / macOS / FreeBSD sed
The -i flag works differently on macOS sed than in GNU sed.
Here's the way to use it on macOS / OS X:
sed -i '' '8i\
8 This is Line 8' FILE
See man 1 sed for more info.
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mmap() vs. reading blocks
...g to find the final word on mmap / read performance on Linux and I came across a nice post (link) on the Linux kernel mailing list. It's from 2000, so there have been many improvements to IO and virtual memory in the kernel since then, but it nicely explains the reason why mmap or read might be fas...
What is the best way to call a script from another script?
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This is possible in Python 2 using
execfile("test2.py")
See the documentation for the handling of namespaces, if important in your case.
In Python 3, this is possible using (thanks to @fantastory)
exec(open("test2.py").read())
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How do you make a HTTP request with C++?
... API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string?
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What are the advantages of Sublime Text over Notepad++ and vice-versa? [closed]
..., C#, HTML, JS, CSS, etc.), copying & paste pieces of text and running macros on it, etc.
3 Answers
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How can I distribute python programs?
... with disutils for Linux, and Py2exe or something similar for Windows. For OS X I don't know. If it's an end user application you would probably want an disk image type of thing, I don't know how to do that. But read this post for more information on the user experience of it. For an application mad...
Python concatenate text files
...if they were a single file is very handy. (Also, the fact that fileinput closes each file as soon as it's done means there's no need to with or close each one, but that's just a one-line savings, not that big of a deal.)
There are some other nifty features in fileinput, like the ability to do in-pl...
How to place the ~/.composer/vendor/bin directory in your PATH?
I'm on Ubuntu 14.04 and I've been trying all possible methods to install Laravel to no avail. Error messages everything I try. I'm now trying the first method in the quickstart documentation, that is, via Laravel Installer, but it says to "Make sure to place the ~/.composer/vendor/bin directory in...
Combining Multiple Commits Into One Prior To Push
...n change all but the first to squash, which will tell Git to keep all of those changes, but squash them into the first commit. After you've done that, check out master and merge in your feature branch:
git checkout topical_xFeature
git rebase -i master
git checkout master
git merge topical_xFeature...