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Cannot use ref or out parameter in lambda expressions
Why can't you use a ref or out parameter in a lambda expression?
5 Answers
5
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How to create your own library for Android development to be used in every program you write?
...and have written, over the years, hundreds of classes and routines which I can use in every Delphi program I write.
5 Answe...
Difference between a Seq and a List in Scala
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In Java terms, Scala's Seq would be Java's List, and Scala's List would be Java's LinkedList.
Note that Seq is a trait, which is equivalent to Java's interface, but with the equivalent of up-and-coming defender methods. Scala's List is an a...
With bash, how can I pipe standard error into another process?
...so process substitution. Which makes a process substitute for a file.
You can send stderr to a file as follows:
process1 2> file
But you can substitute a process for the file as follows:
process1 2> >(process2)
Here is a concrete example that sends stderr to both the screen and appen...
Difference between dispatch_async and dispatch_sync on serial queue?
...");
it always print 1234
Note: For first code, it won't print 1324. Because printf("3") is dispatched after printf("2") is executed. And a task can only be executed after it is dispatched.
The execution time of the tasks doesn't change anything. This code always print 12
dispatch_async(_ser...
Position an element relative to its container
...u have specified (top, right, bottom, left). It's important to note that because it's removed from flow, other elements around it will not shift with it (use negative margins instead if you want this behaviour).
However, you're most likely interested in position: absolute which will position an ele...
Rails respond_with: how does it work?
...re and there about how cool the respond_with method is in Rails 3. But I can't even find a reference to it in either the Rails APIs or by searching the source. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually implemented so I can p...
What is the point of Lookup?
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@KyleBaran: Because it would be pointless for genuine key/value pair collections, where there's only a single value per key.
– Jon Skeet
Mar 21 '13 at 6:41
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What are Transient and Volatile Modifiers?
Can someone explain what the transient and volatile modifiers mean in Java?
4 Answers
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AngularJS ng-if with multiple conditions
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Sure you can. Something like:
HTML
<div ng-controller="fessCntrl">
<label ng-repeat="(key,val) in list">
<input type="radio" name="localityTypeRadio" ng-model="$parent.localityTypeRadio" ng-value="key"...