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error: Unable to find vcvarsall.bat
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You can also wheel convert ....exe these installers and then install them with pip whenever you like.
– Zooba
Sep 29 '14 at 22:27
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Does List guarantee insertion order?
...I have for moving an item down one place in a list:
if (this.folderImages.SelectedIndex > -1 && this.folderImages.SelectedIndex < this.folderImages.Items.Count - 1)
{
string imageName = this.folderImages.SelectedItem as string;
int index = this.folderImages.SelectedIndex;
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Python progression path - From apprentice to guru
...nd challenging. An URL shortener? Sure, I can do that. Oh, I learnt how to convert numbers from one base to another as a side effect!
This is valid whatever your skill level. You never stop learning. By actively coding in your spare time you will, with little additional effort, come to understand t...
Are Javascript arrays sparse?
...ly large integers but also strings, floats, or other objects. All keys get converted to strings via toString() before being added to the hash. You can confirm this with some test code:
<script>
var array = [];
array[0] = "zero";
array[new Date().getTime()] = "now";
array[3.14] = "pi";...
django urls without a trailing slash do not redirect
...MiddlewareAppendSlashWithoutRedirect(CommonMiddleware):
""" This class converts HttpSmartRedirectResponse to the common response
of Django view, without redirect.
"""
response_redirect_class = HttpSmartRedirectResponse
def __init__(self, *args, **kwargs):
# create dj...
Difference between '..' (double-dot) and '…' (triple-dot) in range generation?
...ven if a & b are integers, the ranges are different. Only when each is converted to an array are they the same. A specific counterexample exists in the accepted answer.
– Andrew Marshall
Jul 10 '15 at 12:36
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Good MapReduce examples [closed]
...erations that you can do in MapReduce is the set of normal SQL operations: SELECT, SELECT WHERE, GROUP BY, ect.
Another good example is matrix multiply, where you pass one row of M and the entire vector x and compute one element of M * x.
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How to create SBT project with IntelliJ Idea?
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I'm a total convert to this plugin. Use it in combination with the idea-sbt-plugin, which lets you delegate your project build to SBT, and use SBT interactively from a tool window in IDEA. Version 0.2.0-SNAPSHOT of sbt-idea fixes a few l...
ARC and bridged cast
...roach for providing CGColorRef references into NSArrays from these UIColor converter methods. I, and many others, use this exact code within ARC-enabled applications. The immediate casting to (id) from a method that returns a Core Foundation object automatically bridges that object to ARC properly.
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Ember.js or Backbone.js for Restful backend [closed]
...e patterns, and complex state management. I went through the experience of converting a legacy app over to Backbone and had to do exactly what you listed. We needed to integrate Marionette as well as write plenty of glue code for things like pre/post route filtering, memory leak mitigation, and bett...