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Detect IF hovering over element with jQuery
...as trying to check multiple elements at a time. This was throwing Uncaught Error: Syntax error, unrecognized expression: unsupported pseudo: hover.
So, working with his fiddle, this does NOT work:
var isHovered = !!$('#up, #down').filter(":hover").length;
While this DOES work:
var isHovered = !...
Remove an element from a Bash array
...te
local aryref="$2[@]" # a necessary step since '${!$2[@]}' is a syntax error
local arycopy=("${!aryref}") # create a copy of the input array
local status=1
for (( i = ${#arycopy[@]} - 1; i >= 0; i-- )); do # iterate over indices backwards
elmt=${arycopy[$i]}
[[ $elmt == $word ]]...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
...ere.
}
Note that typeof always returns a string, and doesn't generate an error if the variable doesn't exist at all.
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Understanding checked vs unchecked exceptions in Java
...ck that does nothing at all, or worse, deletes or interferes with critical error information. That is why checked exceptions are a failure.
– adrianos
Aug 24 '12 at 13:01
3
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Never seen before C++ for loop
I was converting a C++ algorithm to C#.
I came across this for loop:
12 Answers
12
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How can I check for “undefined” in JavaScript? [duplicate]
... for pointing out that your third case - if (myVariable) can also throw an error in two cases. The first is when the variable hasn't been defined which throws a ReferenceError.
// abc was never declared.
if (abc) {
// ReferenceError: abc is not defined
}
The other case is when the variable ...
Apache shows PHP code instead of executing it
...member the extension but I think it's .so.
Also check in /var/log/apache2/error.log to see if you have any other errors.
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Why aren't ◎ܫ◎ and ☺ valid JavaScript variable names?
...could likely go unnoticed, even by someone who was actually looking at the error console. I'm using Notepad++ with "Show all characters" mode on, and it's not showing the ZWNJ at all. I had to use a hex editor to put it in.
– MatrixFrog
Sep 18 '11 at 23:53
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How do I finish the merge after resolving my merge conflicts?
...EduFelizNavidad This is incorrect. Zie git output below after conflict:- error: Failed to merge in the changes. Patch failed at 0001 ADD: _type to styleguide The copy of the patch that failed is found in: .git/rebase-apply/patch When you have resolved this problem, run "git rebase --continue". If...
Run a single test method with maven
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Fixed the "No Tests Were Executed" error by downgrading to surefire 2.9
– qwerty
Jul 18 '12 at 7:58
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