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How to initialize HashSet values by construction?
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There is a shorthand that I use that is not very time efficient, but fits on a single line:
Set<String> h = new HashSet<>(Arrays.asList("a", "b"));
Again, this is not time efficient since you are constructing an array, converti...
Matching a space in regex
... space).
If you're looking for one or more, it's " *" (that's two spaces and an asterisk) or " +" (one space and a plus).
If you're looking for common spacing, use "[ X]" or "[ X][ X]*" or "[ X]+" where X is the physical tab character (and each is preceded by a single space in all those examples)...
How to update a record using sequelize for node?
I'm creating a RESTful API with NodeJS, express, express-resource, and Sequelize that is used to manage datasets stored in a MySQL database.
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Ruby: kind_of? vs. instance_of? vs. is_a?
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kind_of? and is_a? are synonymous.
instance_of? is different from the other two in that it only returns true if the object is an instance of that exact class, not a subclass.
Example:
"hello".is_a? Object and "hello".kind_of? Obje...
Tools to make CSS sprites? [closed]
... tool so i unchose it as my selected answer. it ended up cropping my image and it doesnt explain very well why it leaves big gaps between images
– Simon_Weaver
Feb 12 '09 at 7:43
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PhpStorm text size
...anks, already found it. Now using Sublime Text an Notepad++ - much simpler and faster
– ymakux
Aug 31 '15 at 18:12
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How do I globally configure RSpec to keep the '--color' and '--format specdoc' options turned on
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As you can see in the docs here, the intended use is creating ~/.rspec and in it putting your options, such as --color.
To quickly create an ~/.rspec file with the --color option, just run:
echo '--color' >> ~/.rspec
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How does Junit @Rule work?
...n a more generic way.
For instance, ExternalResource executes code before and after a test method, without having to use @Before and @After. Using an ExternalResource rather than @Before and @After gives opportunities for better code reuse; the same rule can be used from two different test classes....
Why use the INCLUDE clause when creating an index?
... @gbn, would you mind explaining this sentence in more detail, and explain why it means that the include clause is not useful for sorting, etc: "The INCLUDE clause adds the data at the lowest/leaf level, rather than in the index tree. This makes the index smaller because it's not part of...
How can I convince IE to simply display application/json rather than offer to download it?
... the usual caveats about updating the registry apply. Stop IE. Then, cut and paste the following into a file, by the name of json-ie.reg.
Windows Registry Editor Version 5.00
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; Tell IE to open JSON documents in the browser.
; 25336920-03F9-11cf-8FD0-00AA00686F13 is the CLSID for the "Browse...