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How do I install from a local cache with pip?
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Updated Answer 19-Nov-15
According to the Pip documentation:
Starting with v6.0, pip provides an on by default cache which functions similarly to that of a web browser. While the cache is on by default and is designed do the right thing by default y...
What is the difference between Polymer elements and AngularJS directives?
...not the first to ask this question :) Let me clarify a couple of things before getting to your questions.
Polymer's webcomponents.js is a library that contains several polyfills for various W3C APIs that fall under the Web Components umbrella. These are:
Custom Elements
HTML Imports
<template...
ruby convert array into function arguments
...guments. Is there a way to on the fly convert the array into 2 arguments?
For example:
2 Answers
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Does using final for variables in Java improve garbage collection?
... my colleagues and me have a discussion about the usage of the final keyword in Java to improve the garbage collection.
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Error in : object of type 'closure' is not subsettable
I was finally able to work out the code for my scraping . It seemed to be working fine and then all of a sudden when I ran it again, I got the following error message:
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A fast method to round a double to a 32-bit int explained
...aking the lowest 32 bits of mantissa.
Now, to the magic number; as you correctly stated, 6755399441055744 is 2^51 + 2^52; adding such a number forces the double to go into the "sweet range" between 2^52 and 2^53, which, as explained by Wikipedia here, has an interesting property:
Between 252=...
How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
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You can force SBT to reload changes:
Open SBT toolwindow (on the right side of IDE) and press refresh button.
If you use auto-import feature you need to save your file to force auto-refresh.
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Saving a Numpy array as an image
...type of a Numpy array. How would I write it to disk it as an image? Any format works (png, jpeg, bmp...). One important constraint is that PIL is not present.
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NSInvocation for Dummies?
How exactly does NSInvocation work? Is there a good introduction?
4 Answers
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What's the difference between git reset --mixed, --soft, and --hard?
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When you modify a file in your repository, the change is initially unstaged. In order to commit it, you must stage it—that is, add it to the index—using git add. When you make a commit, the changes that are committed are those that have been added to the inde...