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Difference between 2 dates in SQLite
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Note that despite what the function name might make one think, this has higher granularity than days. It's a number of days, but can be fractional.
– lindes
Jun 11 '12 at 11:54
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How can I convert my device token (NSData) into an NSString?
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Why does this have to be so complicated, what's wrong with the OS giving us a string since that is what everyone needs ? Thank you for this solution.
– Piwaf
Jun 19 '15 at 18:28
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Allow user to select camera or gallery for image
What I'm trying to do seems very simple, but after a few days of searching I can't quite figure it out.
17 Answers
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recursion versus iteration
...ion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
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What does @hide mean in the Android source code?
...use it, although an editor may not show it to you as one of the choices in whatever intellisense it uses because it's marked with @hide, and you should take note of point 3 below.
You should not use it at all since it's not part of the API and the developers can remove it whenever they wish. They wo...
What is the difference between NaN and None?
...lly reading numbers into my DataFrame, but strings of numbers and letters. What sort of check should I be using to detect empty cells? A check like; if dtype==float: ??
– user1083734
Jul 8 '13 at 19:28
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Which machine learning classifier to choose, in general? [closed]
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First of all, you need to identify your problem. It depends upon what kind of data you have and what your desired task is.
If you are Predicting Category :
You have Labeled Data
You need to follow Classification Approach and its algorithms
You don't have Labeled D...
Javascript seconds to minutes and seconds
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What's the sense of having negative time? Logically a time difference is always positive
– mcont
Dec 29 '14 at 19:08
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Should Gemfile.lock be included in .gitignore?
...pp, then DO check in your Gemfile.lock.
Here's a nice article explaining what the lock file is.
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Web workers without a separate Javascript file?
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http://www.html5rocks.com/en/tutorials/workers/basics/#toc-inlineworkers
What if you want to create your worker script on the fly, or create a self-contained page without having to create separate worker files? With Blob(), you can "inline" your worker in the same HTML file as your main logic by c...
