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How does python numpy.where() work?
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How do they achieve internally that you are able to pass something like x > 5 into a method?
The short answer is that they don't.
Any sort of logical operation on a numpy array returns a boolean array. (i.e. __gt__, __lt__, etc all return boolea...
Function to return only alpha-numeric characters from string?
...ake an input string and return a sanitized version of it by stripping away all special characters leaving only alpha-numeric.
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Git - deleted some files locally, how do I get them from a remote repository
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Since git is a distributed VCS, your local repository contains all of the information. No downloading is necessary; you just need to extract the content you want from the repo at your fingertips.
If you haven't committed the deletion, just check out the files from your current commit:
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JavaScript click event listener on class
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This works perfectly. Thank you. I actually didn't realise that jQuery did the looping. Great help Anudeep. Here's your working answer: jsfiddle.net/LWda3/2
– 30secondstosam
Oct 29 '13 at 10:33
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String.Join method that ignores empty strings?
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I had some luck with this instead: Array.FindAll(myArray, Function(s) Not String.IsNullOrEmpty(s)) Can you either change your answer or explain the Where statement?
– Doug
May 2 '13 at 13:44
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JUnit 4 Test Suites
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You can create a suite like so. For example an AllTest suite would look something like this.
package my.package.tests;
@RunWith(Suite.class)
@SuiteClasses({
testMyService.class,
testMyBackend.class,
...
})
public class AllTests {}
Now you can run this in ...
How to add multiple objects to ManyToMany relationship at once in Django ?
...o arguments, use *
add(*[obj1, obj2, obj3])
Addendum:
Django does not call obj.save() for each item but uses bulk_create(), instead.
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Elasticsearch query to return all records
I have a small database in Elasticsearch and for testing purposes would like to pull all records back. I am attempting to use a URL of the form...
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What is PEP8's E128: continuation line under-indented for visual indent?
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This is so ubiquitous in Django code I've seen (plus it's all over their docs) that it arguably supersedes PEP-8, after all it says "Many projects have their own coding style guidelines. In the event of any conflicts, such project-specific guides take precedence for that project."
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How to find the files that are created in the last hour in unix
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This is great and all, but these flags don't exist on Solaris find that I'm using. OP said Unix and I think these are Linux only.
– jiggy
Apr 17 '14 at 19:53
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