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How do I negate a condition in PowerShell?
... @DavidA.Gray Ruby has unless as keyword (just like if) but most user from other languages hate it.
– Franklin Yu
Nov 27 '18 at 5:09
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Make a float only show two decimal places
...] init] autorelease];
nf.positiveFormat = @"0.##";
NSString* s = [nf stringFromNumber: [NSNumber numberWithFloat: myFloat]];
You may need to also set the negative format, but I think it's smart enough to figure it out.
sha...
How to run script as another user without password?
...nd paths must be absolute! Then call sudo -u user2 /home/user2/bin/test.sh from a user1 shell. Done.
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Read XML file into XmlDocument
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Use XmlDocument.Load() method to load XML from your file. Then use XmlDocument.InnerXml property to get XML string.
XmlDocument doc = new XmlDocument();
doc.Load("path to your file");
string xmlcontents = doc.InnerXml;
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Is it safe to delete an object property while iterating over them?
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From the Javascript/ECMAScript specification (specifically 12.6.4 The for-in Statement):
Properties of the object being enumerated may be deleted during
enumeration. If a property that has not yet been visited during
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Wrapping StopWatch timing with a delegate or lambda?
...i)
{
action.Invoke();
}
sw.Stop();
return sw;
}
Any object deriving from DependencyObject can now call TimedFor(..). The function can easily be adjusted to provide return values via ref params.
--
If you didn't want the functionality to be tied to any class / object you could do something l...
Ternary operation in CoffeeScript
...ffeescript doesn't support javascript ternary operator.
Here is the reason from the coffeescript author:
I love ternary operators just as much as the next guy (probably a bit
more, actually), but the syntax isn't what makes them good -- they're
great because they can fit an if/else on a sing...
ManyRelatedManager object is not iterable
...h lists answers". Without the parenthesis you're asking for all the values from the store's answers that are also in the all function, which is meaningless. The all function is not an iterable (it's a function that returns an iterable)
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AngularJS ng-include does not include view unless passed in $scope
...as other directives (ng-class, ng-src ...) evaluates an Angular expression from the scope. Without quotes (''), it will search for a variable of the scope.
Note that you don't have to specify the src attribute.
<div ng-include src="'views/header.html'"></div>
Can be rewritted to: (...
How does JavaScript handle AJAX responses in the background?
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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