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how do I initialize a float to its max/min value?
...? I want to search out the max/min of an array by simply iterating through and catching the largest.
5 Answers
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How can I use redis with Django?
...s-cache but how exactly does it work? Is it used as a layer between django and my rdbms, by caching the rdbms queries somehow?
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How can I open Java .class files in a human-readable way?
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jd-gui is the best decompiler at the moment. it can handle newer features in Java, as compared to the getting-dusty JAD.
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How do you create a read-only user in PostgreSQL?
...eSQL that can only do SELECTs from a particular database. In MySQL the command would be:
11 Answers
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Check if a given key already exists in a dictionary
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for i in range(100):
key = i % 10
d[key] = d.get(key, 0) + 1
and if you wanted to always ensure a default value for any key you can either use dict.setdefault() repeatedly or defaultdict from the collections module, like so:
from collections import defaultdict
d = defaultdict(int)
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Map.clear() vs new Map : Which one will be better? [duplicate]
...h is backed with new array. So, garbage collector should clear all the key and values from the previous map, and clear the reference to itself. So O(n) algorithm is executed anyway, but in the garbage collector thread. For 1000 records you won't see any difference.
BUT. The performance guide tells ...
Installing MSBuild 4.0 without Visual Studio 2010
I installed .NET 4.0 and VS 2010 RC on my laptop and MSBuild was automatically installed. I was hoping to build a continuous integration server by just installing the .NET SDK without VS 2010, so I downloaded the .NET 4.0 Framework from Microsoft at this link . Unfortunately, it doesn't appear to...
How to get current formatted date dd/mm/yyyy in Javascript and append it to an input [duplicate]
...0] for the current date in dd/mm/yyyy format only.
– Andrew Hill
Jun 28 '19 at 8:24
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How to insert tab character when expandtab option is on in Vim
When I'm in insert mode and I have the expandtab option switched on, pressing Tab ↹ results in inserting the configured number of spaces.
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How to redirect to a dynamic login URL in ASP.NET MVC
...u're going to piggyback on the built-in ASP.NET FormsAuthentication class (and there's no good reason you shouldn't), something at the end of the day is going to call FormsAuthentication.RedirectToLoginPage() which is going to look at the one configured URL. There's only one login URL, ever, and tha...