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When is it appropriate to use UDP instead of TCP? [closed]

Since TCP guarantees packet delivery and thus can be considered "reliable", whereas UDP doesn't guarantee anything and packets can be lost. What would be the advantage of transmitting data using UDP in an application rather than over a TCP stream? In what kind of situations would UDP be the better c...
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How can I check if my python object is a number? [duplicate]

...0, 0.0, 0j, decimal.Decimal(0))] [True, True, True, True] This uses ABCs and will work for all built-in number-like classes, and also for all third-party classes if they are worth their salt (registered as subclasses of the Number ABC). However, in many cases you shouldn't worry about checking t...
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Add line break to 'git commit -m' from the command line

I am using Git from the command line and am trying to add a line break to the commit message (using git commit -m "" ) without going into Vim. ...
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Can't resize UIView in IB

... Thanks that's right. After I upgraded xcode and IB the status bar was on by default. The others have it at off. – Ayrad Jul 6 '09 at 15:49 1 ...
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Function to Calculate Median in SQL Server

...perf is important for your median calculation, I'd strongly suggest trying and perf-testing several of the options recommended in that article to make sure that you've found the best one for your schema. I'd also be especially careful using the (new in SQL Server 2012) function PERCENTILE_CONT tha...
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How to open Atom editor from command line in OS X?

I have the Atom editor and was wondering how you can open a file or folder from the terminal in Atom. I am using a Mac. I am looking for a way to do this: ...
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Class 'DOMDocument' not found

...ion. You can do so on Debian / Ubuntu using: sudo apt-get install php-dom And on Centos / Fedora / Red Hat: yum install php-xml If you get conflicts between PHP packages, you could try to see if the specific PHP version package exists instead: e.g. php53-xml if your system runs PHP5.3. ...
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How to replace list item in best way

... Use Lambda to find the index in the List and use this index to replace the list item. List<string> listOfStrings = new List<string> {"abc", "123", "ghi"}; listOfStrings[listOfStrings.FindIndex(ind=>ind.Equals("123"))] = "def"; ...
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How to create SBT project with IntelliJ Idea?

I just got started with Scala/LiftWeb/Sbt developing, and I'd like to import a Sbt project in IntelliJ Idea. Actually, I managed to import my project in two different ways: ...
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Undefined symbols for architecture armv7

This problem has been driving me crazy, and I can't work out how to fix it... 40 Answers ...