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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...
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...
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...
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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Can you use reflection to find the name of the currently executing method?
...
As of .NET 4.5 you can also use [CallerMemberName]
Example: a property setter (to answer part 2):
protected void SetProperty<T>(T value, [CallerMemberName] string property = null)
{
this.propertyValues[property] = value;
OnProp...
how to get html content from a webview?
...
Actually this question has many answers. Here are 2 of them :
This first is almost the same as yours, I guess we got it from the same tutorial.
public class TestActivity extends Activity {
@Override
protected voi...
A 'for' loop to iterate over an enum in Java
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.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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