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maxlength ignored for input type=“number” in Chrome

...type="number"> by design. Depending on your needs, you can use the min and max attributes as inon suggested in his/her answer (NB: this will only define a constrained range, not the actual character length of the value, though -9999 to 9999 will cover all 0-4 digit numbers), or you can use a reg...
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Django rest framework nested self-referential objects

...gories') def get_related_field(self, model_field): # Handles initializing the `subcategories` field return CategorySerializer() Actually, as you've noted the above isn't quite right. This is a bit of a hack, but you might try adding the field in after the seriali...
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SQL Server - When to use Clustered vs non-Clustered Index?

I know primary differences between clustered and non clustered indexes and have an understanding of how they actually work. I understand how clustered and non-clustered indexes improve read performance. But one thing I am not sure is that what would be the reasons where I would choose one over the o...
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Proper REST response for empty table?

...fused as an author of a client for your application if I got a 200 one day and a 404 the next day just because someone happened to remove a couple of users. What am I supposed to do? Is my URL wrong? Did someone change the API and neglect to leave a redirection. Why not 204 (No Content) ? Here's a...
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How do I raise the same Exception with a custom message in Python?

...thon 3, check Ben's answer To attach a message to the current exception and re-raise it: (the outer try/except is just to show the effect) For python 2.x where x>=6: try: try: raise ValueError # something bad... except ValueError as err: err.message=err.message+" hello" ...
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How can I reverse a NSArray in Objective-C?

... take advantage of the built-in reverseObjectEnumerator method on NSArray, and the allObjects method of NSEnumerator: NSArray* reversedArray = [[startArray reverseObjectEnumerator] allObjects]; allObjects is documented as returning an array with the objects that have not yet been traversed with n...
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Loaded nib but the 'view' outlet was not set

I added a new nib file to my project, and tried to load it. 32 Answers 32 ...
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How to specify table's height such that a vertical scroll bar appears?

...roperties to define the behaviour of just horizontal overflow (overflow-x) and vertical overflow (overflow-y). Since you only want the vertical scroll, try this: table { height: 500px; overflow-y: scroll; } EDIT: Apparently <table> elements don't respect the overflow property. This...
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Union of dict objects in Python [duplicate]

...shahjapan This is not complex, this is great use of Python dict structure. And this is different from update (this solution is not updating anything). – lajarre Sep 13 '12 at 9:09 ...
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Getting vertical gridlines to appear in line plot in matplotlib

I want to get both horizontal and vertical grid lines on my plot but only the horizontal grid lines are appearing by default. I am using a pandas.DataFrame from an sql query in python to generate a line plot with dates on the x-axis. I'm not sure why they do not appear on the dates and I have trie...