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Select random lines from a file
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If you just need a random set of lines, not in a random order, then shuf is very inefficient (for big file): better is to do reservoir sampling, as in this answer.
– petrelharp
Sep 6 '15 at 23:24
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How can I pass parameters to a partial view in mvc 4
...me as if you were to call:
@Html.Partial("_SomePartial", Model)
Now, in order for your partial to actually be able to use this, though, it too needs to have a defined model, for example:
@model Namespace.To.Your.Model
@Html.Action("MemberProfile", "Member", new { id = Model.Id })
Alternativel...
Why can't Python parse this JSON data?
...elements; such as, [{[{}]}, {}, [], etc...] ujson can handle any arbitrary order of lists of dictionaries, dictionaries of lists.
You can find ujson in the Python package index and the API is almost identical to Python's built-in json library.
ujson is also much faster if you're loading larger J...
How do I add indices to MySQL tables?
...DEX `index_name` (`col1`,`col2`)
Additionally the index should match the order of the query fields. In my extended example the index should be (ProductID,Category) not the other way around.
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Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
After all IDE evolutions (all platforms on topic are changed) of this year, i'm looking to understand what is the state of technology for those platforms.
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Android SDK manager won't open
...t; Environment variables -> PATH -> edit: make sure they are in this order: C:\Program Files\Java\jdk1.7.0_11\bin;%SystemRoot%\system32;....
– Hải Phong
Jan 21 '13 at 2:23
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The most accurate way to check JS object's type?
...ommon sense. Sure, the prototype.toString is slower than the others by an order of magnitude, but in the grand scheme of things it takes on average a couple hundred nanoseconds per call. Unless this call is being used in a critical path that's very frequently executed, this is probably harmless. I...
How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
...e assembly itself. You can use corflags utility that comes with dumpbin in order to see information about .NET executable.
– Erti-Chris Eelmaa
Oct 14 '14 at 15:53
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How to write URLs in Latex? [closed]
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Here is all the information you need in order to format clickable hyperlinks in LaTeX:
http://en.wikibooks.org/wiki/LaTeX/Hyperlinks
Essentially, you use the hyperref package and use the \url or \href tag depending on what you're trying to achieve.
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Regex to test if string begins with http:// or https://
...s." (Duplicate characters are ignored.)
Try this:
^https?://
If you really want to use alternation, use this syntax instead:
^(http|https)://
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