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How do I sort a list of dictionaries by a value of the dictionary?
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2568
It may look cleaner using a key instead a cmp:
newlist = sorted(list_to_be_sorted, key=lambd...
What is hashCode used for? Is it unique?
...the Hashtable object is constructed. Prior to the .NET Framework
version 2.0, the hash code provider was based on the
System.Collections.IHashCodeProvider interface. Starting with version
2.0, the hash code provider is based on the
System.Collections.IEqualityComparer interface.
Basically,...
LINQ .Any VS .Exists - What's the difference?
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428
See documentation
List.Exists (Object method - MSDN)
Determines whether the List(T) contai...
How to open every file in a folder?
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Roelant
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answered Aug 15 '13 at 21:38
Viktor KerkezVikt...
Difference between object and class in Scala
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592
tl;dr
class C defines a class, just as in Java or C++.
object O creates a singleton object O a...
Why do I get “unresolved external symbol” errors when using templates? [duplicate]
...e's source file as
"inline" (Update: [this does not work on Visual Studio 2017+]), or
define the member
functions in the template's source
with the "export" keyword.
Unfortunately this isn't supported
by a lot of compilers. (Update: this has been removed from the standard as of C++11.)
Both 1 an...
How to recover a dropped stash in Git?
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2897
Once you know the hash of the stash commit you dropped, you can apply it as a stash:
git stas...
Convert String to Uri
...
answered Aug 15 '10 at 12:48
cchenesonccheneson
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...
How do I export UIImage array as a movie?
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221
Take a look at AVAssetWriter and the rest of the AVFoundation framework. The writer has an inp...
Easy way to prevent Heroku idling?
... but it's also not really acceptable in my case that my users have to wait 20+ seconds to spin up a new dyno.
21 Answers
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