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What is the difference between JOIN and UNION?
What is the difference between JOIN and UNION ? Can I have an example?
15 Answers
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Convert a String representation of a Dictionary to a dictionary?
How can I convert the str representation of a dict , such as the following string, into a dict ?
9 Answers
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C++11 features in Visual Studio 2012
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It's worth noting that Visual Studio 2010 already had quite a bit of early C++11 support. So to summarize what is already linked to in other answers, here is what is new in Visual Studio 11 that was not part of Visual Studio 2010:
rvalue...
Functions that return a function
...'m stuck with this concept of 'Functions that return functions'. I'm referring the book 'Object Oriented Javascript' by Stoyan Stefanov.
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appearanceWhenContainedIn in Swift
I'm trying to convert my app to the Swift language.
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How to use PHP OPCache?
PHP 5.5 has been released and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it.
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How to send POST request in JSON using HTTPClient in Android?
I'm trying to figure out how to POST JSON from Android by using HTTPClient. I've been trying to figure this out for a while, I have found plenty of examples online, but I cannot get any of them to work. I believe this is because of my lack of JSON/networking knowledge in general. I know there are ...
What is the use of join() in Python threading?
I was studying the python threading and came across join() .
10 Answers
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What is the difference between -viewWillAppear: and -viewDidAppear:?
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In general, this is what I do:
1) ViewDidLoad - Whenever I'm adding controls to a view that should appear together with the view, right away, I put it in the ViewDidLoad method. Basically this method is called whenever the v...
how to log in to mysql and query the database from linux terminal
I am using debian linux.
I have a linux machine on which mysql is install.
I can log in to my linux machine using root user as well as other user.
I can connect to mysql database on linux machine from windows machine using sqlyog.
Now I want to execute queries on linux machine only using linux termi...