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What is the difference between return and return()?
...i = 1 + 1;
and
var i = (1 + 1);
That is, nothing. The parentheses are allowed because they are allowed in any expression to influence evaluation order, but in your examples they're just superfluous.
return is not a function, but a statement. It is syntactically similar to other simple control ...
Virtual Serial Port for Linux
...l port, but will send/receive everything it does via /dev/ptyp5.
If you really need it to talk to a file called /dev/ttys2, then simply move your old /dev/ttys2 out of the way and make a symlink from ptyp5 to ttys2.
Of course you can use some number other than ptyp5. Perhaps pick one with a high ...
Call a controller function from a directive without isolated scope in AngularJS
I cannot seem to find a way to call a function on the parent scope from within a directive without using isolated scope. I know that if I use isolated scope I can just use "&" in the isolated to access the function on the parent scope, but using isolated scope when it isn't necessary has consequence...
Checking if a field contains a string
I'm looking for an operator, which allows me to check, if the value of a field contains a certain string.
10 Answers
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How to pull remote branch from somebody else's repo
...ct with one of your own branches is bothersome. In that case, a reference called FETCH_HEAD is available. You can git log FETCH_HEAD to see their commits then do things like cherry-picked to cherry pick their commits.
Pushing it back to them:
Oftentimes, you want to fix something of theirs and pu...
A 'for' loop to iterate over an enum in Java
...
.values()
You can call the values() method on your enum.
for (Direction dir : Direction.values()) {
// do what you want
}
This values() method is implicitly declared by the compiler. So it is not listed on Enum doc.
...
JUnit 4 compare Sets
...would you succinctly assert the equality of Collection elements, specifically a Set in JUnit 4?
9 Answers
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Difference between single quotes and double quotes in Javascript [duplicate]
..."It's alright"; // single quote inside double quotes var answer = "He is called 'Johnny'"; // single quotes inside double quotes var answer = 'He is called "Johnny"'; // double quotes inside single quotes
– broadband
Mar 5 '15 at 11:26
...
Keyboard shortcut for Jump to Previous View Location (Navigate back/forward) in IntelliJ IDEA
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Nonetheless, all Jetbrains products have highly configurable keymaps, I would have configured Ctr+[ & Ctrl+] for this purpose, even in Windows or Ubuntu.
– nehem
Jan 17 '17 at 6:24
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RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
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As per RFC1912 section 2.4:
A CNAME record is not allowed to coexist with any other data. In
other words, if suzy.podunk.xx is an alias for sue.podunk.xx, you
can't also have an MX record for suzy.podunk.edu, or an A record, or
even a TXT record. Especially do not try t...