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Using LINQ to remove elements from a List
...would just change the value of authorsList instead of removing the authors from the previous collection. Alternatively, you can use RemoveAll:
authorsList.RemoveAll(x => x.FirstName == "Bob");
If you really need to do it based on another collection, I'd use a HashSet, RemoveAll and Contains:
...
Why exactly is eval evil?
...ic language or library feature to do what they want to do. Similar example from JS: I want to get a property from an object using a dynamic name, so I write: eval("obj.+" + propName) when I could have written obj[propName].
– Daniel Earwicker
Apr 3 '10 at 14:57...
What is the difference between Modal and Push segue in Storyboards?
...eep stack. As long as you are taking care of objects you might be passing from one VC to another, the runtime will take care of the navigation stack. See the image for a visual indication:
A modal Segue is just one VC presenting another VC modally. The VCs don't have to be part of a navigation ...
How to remove only underline from a:before?
... remove this?
Yes, if you change the display style of the inline element from display:inline (the default) to display:inline-block:
#test p a:before {
color: #B2B2B2;
content: "► ";
display:inline-block;
}
This is because the CSS specs say:
When specified on or propagated to a...
Does Java casting introduce overhead? Why?
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There are 2 types of casting:
Implicit casting, when you cast from a type to a wider type, which is done automatically and there is no overhead:
String s = "Cast";
Object o = s; // implicit casting
Explicit casting, when you go from a wider type to a more narrow one. For this case, y...
Relative URLs in WordPress
...oper websites, it was always a quick hack, written by hackers who (clearly from the quotes here) haven't thought or looked outside the box. The only way you can move a website is if it CORRECTLY uses relative and/or root relative URLs. Absolute URLs absolutely prevent it.
– Haq...
Is there a way to measure how sorted a list is?
...hat appear out of order according to some ordering < on the set of T's.
From Wikipedia:
Formally, let A(1), A(2), ..., A(n) be a sequence of n numbers.If i < j and A(i) > A(j), then the pair (i,j) is called an inversion of A.
The inversion number of a sequence is one common measure of its ...
Prevent scroll-bar from adding-up to the Width of page on Chrome
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Webkit browsers like Safari and Chrome subtract the scroll bar width from the visible page width when calculating width: 100% or 100vw. More at DM Rutherford's Scrolling and Page Width.
Try using overflow-y: overlay instead.
...
What are 'closures' in .NET?
...
Closures are functional values that hold onto variable values from their original scope. C# can use them in the form of anonymous delegates.
For a very simple example, take this C# code:
delegate int testDel();
static void Main(string[] args)
{
int foo = 4;
...
Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
...e)" refs/original/ | xargs -n 1 git update-ref -d
(That's taken directly from the filter-branch manpage.)
This doesn't apply to you, but to others who may find this: If you do a filter-branch which removes content taking up significant disk space, you might also want to run git reflog expire --ex...