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How to search for a part of a word with ElasticSearch

I've recently started using ElasticSearch and I can't seem to make it search for a part of a word. 10 Answers ...
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Checking to see if a DateTime variable has had a value assigned

Is there an easy way within C# to check to see if a DateTime instance has been assigned a value or not? 9 Answers ...
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Very large matrices using Python and NumPy

NumPy is an extremely useful library, and from using it I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memo...
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How to apply two CSS classes to a single element

Can i apply 2 classes to a single div or span or any html element? For example: 7 Answers ...
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

I'm having a little trouble understanding the pass-by-reference properties of data.table . Some operations seem to 'break' the reference, and I'd like to understand exactly what's happening. ...
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Convert string to a variable name

I am using R to parse a list of strings in the form: 10 Answers 10 ...
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When are you supposed to use escape instead of encodeURI / encodeURIComponent?

When encoding a query string to be sent to a web server - when do you use escape() and when do you use encodeURI() or encodeURIComponent() : ...
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Why use apparently meaningless do-while and if-else statements in macros?

In many C/C++ macros I'm seeing the code of the macro wrapped in what seems like a meaningless do while loop. Here are examples. ...
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How to determine if a string is a number with C++?

I've had quite a bit of trouble trying to write a function that checks if a string is a number. For a game I am writing I just need to check if a line from the file I am reading is a number or not (I will know if it is a parameter this way). I wrote the below function which I believe was working s...
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Git rebase: conflicts keep blocking progress

I have a git branch (called v4), that was made from master just yesterday. There were a couple of changes to master, that I want to get into v4. So, in v4, I tried to do a rebase from master, and one file keeps screwing things up: a one-line text file, that contains the version number. This file ...