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postgresql - sql - count of `true` values
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You can actually omit ELSE null to get the same result.
– 200_success
May 12 '16 at 18:26
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What's the scope of a variable initialized in an if statement?
...nction, class, or module in which they're assigned. Control blocks like if and while blocks don't count, so a variable assigned inside an if is still scoped to a function, class, or module.
(Implicit functions defined by a generator expression or list/set/dict comprehension do count, as do lambda e...
ssh: Could not resolve hostname [hostname]: nodename nor servname provided, or not known
I am trying to set up a VPN with a Raspberry Pi, and the first step is gaining the ability to ssh into the device from outside my local network. For whatever reason, this is proving to be impossible and I haven't the slightest clue why. When I try to ssh into my server with user@hostname , I ge...
Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
...ke Java SE, Go, Node.js, and maybe Ruby (it's not documented for Ruby, but all the other Nginx platforms seem to support this), Elasticbeanstalk has a built-in understanding of how to configure Nginx.
To extend Elastic Beanstalk's default nginx configuration, add .conf configuration files to a f...
UICollectionView inside a UITableViewCell — dynamic height?
...mic number of items, resulting in a height which must be calculated dynamically as well. However, I am running into problems trying to calculate the height of the embedded UICollectionView .
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What is “rvalue reference for *this”?
Came across a proposal called "rvalue reference for *this" in clang's C++11 status page .
3 Answers
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Get fully qualified class name of an object in Python
... object. (With fully qualified I mean the class name including the package and module name.)
10 Answers
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Update Git submodule to latest commit on origin
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The git submodule update command actually tells Git that you want your submodules to each check out the commit already specified in the index of the superproject. If you want to update your submodules to the latest commit available from their remote, you will ne...
Is there a goto statement in Java?
...ll not even compile in the present, and it remains possible to make it actually do something later on, without breaking existing code.
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How do I make CMake output into a 'bin' dir?
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How to make it apply to all configurations at once?
– emlai
May 23 '15 at 21:24
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