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What is more efficient: Dictionary TryGetValue or ContainsKey+Item?
From MSDN's entry on Dictionary.TryGetValue Method :
10 Answers
10
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How can I make a Python script standalone executable to run without ANY dependency?
...ance, how would clients be able to use the ginput() function in matplotlib from the executable, without having it installed on their computer.
– chimpsarehungry
Apr 10 '13 at 18:04
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Payment Processors - What do I need to know if I want to accept credit cards on my website? [closed]
...what the information the user is giving you is used for. Don't steal this from another site. Come up with your own, hire a lawyer if you need to. Most of these things fall under the PCI Data Security link Michael provided in his question.
If you plan on storing the credit card numbers, then you ...
How do I ZIP a file in C#, using no 3rd-party APIs?
...ip = ZipFile.Open("test.zip", ZipArchiveMode.Create))
{
zip.CreateEntryFromFile(@"c:\something.txt", "data/path/something.txt");
}
You need to add references to:
System.IO.Compression
System.IO.Compression.FileSystem
For .NET Core targeting net46, you need to add dependencies for
System...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
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I needed this as well so I just took the source code from b93 and put it in a "util" class. I had to modify it slightly to work with the current API.
For reference here's the working code (take it at your own risk...):
public static<A, B, C> Stream<C> zip(Stream&...
How to enter in a Docker container already running with a new TTY
...service in the foreground. I would like to be able to access the container from another shell in order to "poke around" inside it and examine the files. At the moment, if I attach to the container, I am left looking at the Apache daemon and cannot run any commands.
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What is the advantage of using REST instead of non-REST HTTP?
...rly: "The client needs only know the initial URI, and subsequently chooses from server-supplied choices to navigate or perform actions.". Basically, if any part of an API documents endpoints, e.g. says "given a user id, you can get user info at /user/{id}, then it's not restful. Consider: does your ...
What is the preferred/idiomatic way to insert into a map?
...a value. Obviously, this can be inefficient if the mapped_type can benefit from being directly initialized instead of default constructed and assigned. This method also makes it impossible to determine if an insertion has indeed taken place or if you have only overwritten the value for an previously...
Why Func instead of Predicate?
...d Array<T>, in .net 2.0, the different Func and Action variants come from .net 3.5.
So those Func predicates are used mainly for consistency in the LINQ operators. As of .net 3.5, about using Func<T> and Action<T> the guideline states:
Do use the new LINQ types Func<> an...
How to limit google autocomplete results to City and Country only
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check this code right from google. they made a filtering example code.google.com/apis/maps/documentation/javascript/…
– UnLoCo
Nov 26 '11 at 22:37
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