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How do I use boolean variables in Perl?
...aying Perl should croak whenever something other than these two values are tested for truthness? That would be completely awful. e.g. It would prevent $x ||= $default;
– ikegami
Apr 26 '12 at 5:00
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WPF Databinding: How do I access the “parent” data context?
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This also works in Silverlight 5 (perhaps earlier as well but i haven't tested it). I used the relative source like this and it worked fine.
RelativeSource="{RelativeSource Mode=FindAncestor, AncestorType=telerik:RadGridView}"
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Is Chrome's JavaScript console lazy about evaluating arrays?
... mean this? var s = { param1: "hi", param2: "how are you?" }; if so I just tested and when you have s["param1"] = "bye"; it's working fine as expected. Can you please post example of "it won't work for objects"? I'll see and try to climb that one as well.
– Shadow Wizard is Ear...
How to render a DateTime in a specific format in ASP.NET MVC 3?
... render it in a specific format - for example in the format which ToLongDateString() returns?
15 Answers
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Maven Install on Mac OS X
...ossible:
Using Homebrew:
you@host:~$ brew install maven will install latest Maven (3.5.2 on 02/01/2018)
you@host:~$ brew install maven30 will install Maven 3.0 if needed
Using Macports: (I did not test this)
you@host:~$ sudo port install maven will install latest Maven (?)
or:
you@host:~$ sud...
Determining whether jQuery has not found any element
...r: It only makes it more clear until you're used to the syntax without it, testing for truthiness rather than explicitly 0. I suggest simply getting used to the syntax without the == 0, you'll see it everywhere.
– Scott Stafford
Jun 6 '14 at 13:07
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What do querySelectorAll and getElementsBy* methods return?
...r device.
Infos
Demo of all methods
NodeList Documentation
Performance Test
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Getting the return value of Javascript code in Selenium
I'm using Selenium2 for some automated tests of my website, and I'd like to be able to get the return value of some Javascript code. If I have a foobar() Javascript function in my webpage and I want to call that and get the return value into my Python code, what can I call to do that?
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How to check in Javascript if one element is contained within another
...ep inside the parent, you could use a function similar to the following to test for the relationship:
function isDescendant(parent, child) {
var node = child.parentNode;
while (node != null) {
if (node == parent) {
return true;
}
node = node.parentN...
Why does Enumerable.All return true for an empty sequence? [duplicate]
...as documented:
true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.
Now you can argue about whether or not it should work that way (it seems fine to me; every element of the sequence conforms to the predicate) b...