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android layout: This tag and its children can be replaced by one and a compound drawable
...one or more images
adjacent to the text).
If the two widgets are offset from each other with margins, this
can be replaced with a drawablePadding attribute.
There's a lint quickfix to perform this conversion in the Eclipse
plugin.
From: Android Official API docs!
...
C# Set collection?
...ample, you can quickly find the start and end point of a range and iterate from the start to the end, visiting items in key-order. SortedDictionary is roughly equivalent to std::set.
– doug65536
Feb 4 '13 at 7:43
...
Should the hash code of null always be zero, in .NET
...n.Spring;
Season? vnull = null;
if(vnull == v) // never TRUE
EDIT
From MSDN
If two objects compare as equal, the GetHashCode method for each object must return the same value. However, if two objects do not compare as equal, the GetHashCode methods for the two object do not have to return ...
vs in Generics
...sn't covariant, even though logically it should work, since string derives from object. Before variance in generic interfaces was added to C# and VB.NET (in .NET 4 with VS 2010), this was a compile time error.
After .NET 4, IEnumerable<T> was marked covariant, and became IEnumerable<out T...
Prevent redirection of Xmlhttprequest
Is it possible to prevent the browser from following redirects when sending XMLHttpRequest-s (i.e. to get the redirect status code back and handle it myself)?
...
In git, what is the difference between merge --squash and rebase?
...is is useful if you want to throw away the source branch completely, going from (schema taken from SO question):
git checkout stable
X stable
/
a---b---c---d---e---f---g tmp
to:
git merge --squash tmp
git commit -m "squash tmp"
X----------...
Difference between HTTP redirect codes
...y. Any PUT requests are processed. The resulting document can be retrieved from the redirect url. Future request should still go to the original url.
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How can I switch my git repository to a particular commit
...r part of it)
git checkout -b new_branch 6e559cb
or to go back 4 commits from HEAD
git checkout -b new_branch HEAD~4
Once your new branch is created (locally), you might want to replicate this change on a remote of the same name: How can I push my changes to a remote branch
For discarding t...
Significance of a .inl file in C++
...e bottom of the header file.
I like it because it separates the interface from the implementation and makes the header file a little easier to read. If you care about the implementation details, you can open the .inl file and read it. If you don't, you don't have to.
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Entity Framework - Start Over - Undo/Rollback All Migrations
...If you want to run enable-migrations again and you are developing database from scratch you just need to follow the last sentence: delete database and all migration related code. If you started using migrations with existing database you first have to revert all migrations by using the second or thi...