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What's the difference between findAndModify and update in MongoDB?
... method in MongoDB. What's the advantage of it over the update method? For me, it seems that it just returns the item first and then updates it. But why do I need to return the item first? I read the MongoDB: the definitive guide and it says that it is handy for manipulating queues and performi...
In git how is fetch different than pull and how is merge different than rebase?
...ch will download any changes from the remote* branch, updating your repository data, but leaving your local* branch unchanged.
pull will perform a fetch and additionally merge the changes into your local branch.
What's the difference? pull updates you local branch with changes from the pulled bran...
How to set JAVA_HOME environment variable on Mac OS X 10.9?
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Literally all you have to do is:
echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile
and restart your shell.
If you have multiple JDK versions installed and you want it to be a specific one, you can use the -v flag to java_home like so:
e...
Immediate function invocation syntax
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From Douglass Crockford's style convention guide: (search for "invoked immediately")
When a function is to be invoked immediately, the entire invocation expression should be wrapped in parens so that it is clear that the value being produced is...
Lightweight SQL editor for Eclipse [closed]
Is there any simple SQL editor in Eclipse? Or do I need to find a simple SQL editor plugin for Eclipse?
6 Answers
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Best practices to test protected methods with PHPUnit
I found the discussion on Do you test private method informative.
8 Answers
8
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TypeScript type signatures for functions with variable argument counts
...peScript uses the ECMAScript 6 spread proposal,
http://wiki.ecmascript.org/doku.php?id=harmony:spread
but adds type annotations so this would look like,
interface Example {
func(...args: any[]): void;
}
share
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Can I see changes before I save my file in Vim?
I use Vim.
I open a file. I edit it and I want to see what I've edited before I save it.
14 Answers
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is_null($x) vs $x === null in PHP [duplicate]
...y suggested that I use is_null() instead as it is specifically designed for the null-evaluation purpose. He also started talking about math or something.
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JSP : JSTL's tag
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N.B. it escapes XML not HTML. One of the more annoying subtleties of JSTL. I end up always writing my own HTML escape EL fn.
– Adam Gent
Jun 12 '11 at 18:16
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