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not:first-child selector
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One of the versions you posted actually works for all modern browsers (where CSS selectors level 3 are supported):
div ul:not(:first-child) {
background-color: #900;
}
If you need to support legacy browsers, or if you are hindered by the :not selector's...
Defining TypeScript callback type
... fairly easy. I was pretty close.
the syntax is the following:
public myCallback: (name: type) => returntype;
In my example, it would be
class CallbackTest
{
public myCallback: () => void;
public doWork(): void
{
//doing some work...
this.myCallback(); //calli...
Should I use window.navigate or document.location in JavaScript?
...ation.href is the standard implementation? And does that standard apply equally well to all browsers? You certainly seem knowledgeable and 15+ votes (plus accepted answer) help make it more authoritative, though I think it would be better to see documentation from the browser development teams to ba...
no acceptable C compiler found in $PATH when installing python
I'm trying to install new python environment on my shared hosting. I follow the steps written in this post :
11 Answers
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C# equivalent of the IsNull() function in SQL Server
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It's called the null coalescing (??) operator:
myNewValue = myValue ?? new MyValue();
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How to install multiple python packages at once using pip
... it neither here nor on google.
So i was curious if there is a way to install multiple packages using pip.
Something like:
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git: Switch branch and ignore any changes without committing
...ou need a clean state to change branches. The branch checkout will only be allowed if it does not affect the 'dirty files' (as Charles Bailey remarks in the comments).
Otherwise, you should either:
stash your current change or
reset --hard HEAD (if you do not mind losing those minor changes) or
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How do I set up NSZombieEnabled in Xcode 4?
...d again. This is a debugging aid that increases memory use (no object is really released) but improves error reporting.
A typical case is when you over-release an object and you don't know which one:
With zombies: -[UITableView release]: message sent to deallocated instance
Without zombies:
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?? Coalesce for empty string?
...d make your extension method return a string or null, however, which would allow the coalescing operator to work. This would be odd, however, and I personally prefer your current approach.
Since you're already using an extension method, why not just make one that returns the value or a default:
s...
Getting the application's directory from a WPF application
... thanks. Must have overlooked AppDomain somehow. I was looking for it, actually ...
– Joey
Jun 2 '09 at 12:34
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