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Difference between EXISTS and IN in SQL?
What is the difference between the EXISTS and IN clause in SQL?
21 Answers
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How to read data when some numbers contain commas as thousand separator?
I have a csv file where some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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Is there a CSS selector for text nodes?
What I would like to do (not in IE obviously) is:
2 Answers
2
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How to check if a string contains an element from a list in Python
I have something like this:
6 Answers
6
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How to solve Permission denied (publickey) error when using Git?
I'm on Mac Snow Leopard and I just installed git .
45 Answers
45
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How do I go straight to template, in Django's urls.py?
Instead of going to views.py, I want it to go to to a template, robots.txt.
2 Answers
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XSLT equivalent for JSON [closed]
Is there an XSLT equivalent for JSON? Something to allow me to do transformations on JSON like XSLT does to XML.
23 Answe...
WKWebView not loading local files under iOS 8
For previous iOS 8 betas, load a local web app (in Bundle) and it works fine for both UIWebView and WKWebView , and I even ported a web game using the new WKWebView API.
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Picking a random element from a set
How do I pick a random element from a set?
I'm particularly interested in picking a random element from a
HashSet or a LinkedHashSet, in Java.
Solutions for other languages are also welcome.
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What must I know to use GNU Screen properly? [closed]
I've just introduced a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What ar...