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How can I explicitly free memory in Python?
...'m using python 3.6. Calling gc.collect() after loading a pandas dataframe from hdf5 (500k rows) reduced memory usage from 1.7GB to 500MB
– John
Jan 18 '18 at 20:30
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Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
33 Answers
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How to get a random value from dictionary in python
How can I get a random pair from a dict ? I'm making a game where you need to guess a capital of a country and I need questions to appear randomly.
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git pull from master into the development branch
I have a branch called dmgr2 (development) and I want to pull from the master branch (live site) and incorporate all the changes into my development branch. is there a better way to do this?
here is what I had planned on doing, after committing changes:
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How can I use threading in Python?
... simple multithreading with Python with map and pool.
The code below comes from an article/blog post that you should definitely check out (no affiliation) - Parallelism in one line: A Better Model for Day to Day Threading Tasks. I'll summarize below - it ends up being just a few lines of code:
from ...
What is the difference between the mouseover and mouseenter events?
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You can try out the following example from the jQuery doc page. It's a nice little, interactive demo that makes it very clear and you can actually see for yourself.
var i = 0;
$("div.overout")
.mouseover(function() {
i += 1;
$(this).find("span"...
Creating a new DOM element from an HTML string using built-in DOM methods or Prototype
...; elements, which provide a more reliable way of turning creating elements from strings. See Mark Amery's answer below for details.
For older browsers, and node/jsdom: (which doesn't yet support <template> elements at the time of writing), use the following method. It's the same thing the lib...
JavaScript dependency management: npm vs. bower vs. volo [closed]
...ill not used it for more than 5 minutes in years. Don't know about it, but from what I can see it does include some build tool, which is very familiar to Grunt users.
npm
Yes, npm stands for Node Package Manager. But nowadays you can use it for everything; people are no longer only npm installing ...
Setting Environment Variables for Node to retrieve
...credentials to your application. USER_ID and USER_KEY can both be accessed from process.env.USER_ID and process.env.USER_KEY respectively. You don't need to edit them, just access their contents.
It looks like they are simply giving you the choice between loading your USER_ID and USER_KEY from eith...
Simple tool to 'accept theirs' or 'accept mine' on a whole file using git
...tion is very simple. git checkout <filename> tries to check out file from the index, and therefore fails on merge.
What you need to do is (i.e. checkout a commit):
To checkout your own version you can use one of:
git checkout HEAD -- <filename>
or
git checkout --ours -- <filen...