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Calculate the median of a billion numbers

... Ah, my brain has just kicked into gear, I have a sensible suggestion now. Probably too late if this had been an interview, but never mind: Machine 1 shall be called the "control machine", and for the sake of argument either it starts with all the data, and sends it in equal parcels to the oth...
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In-memory size of a Python structure

... """Recursively finds size of objects""" size = sys.getsizeof(obj) if seen is None: seen = set() obj_id = id(obj) if obj_id in seen: return 0 # Important mark as seen *before* entering recursion to gracefully handle # self-referential objects seen.add(obj_...
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Executing Batch File in C#

... = new ProcessStartInfo("cmd.exe", "/c " + command); processInfo.CreateNoWindow = true; processInfo.UseShellExecute = false; // *** Redirect the output *** processInfo.RedirectStandardError = true; processInfo.RedirectStandardOutput = true; process = Process.Start(processInf...
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How can I use MS Visual Studio for Android Development?

... Step 5 - VS android v0.95 - 22nd May 2013 Visual Studio 2012 is now fully supported. – Maitus May 22 '13 at 17:39 2 ...
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How do I abort the execution of a Python script? [duplicate]

I have a simple Python script that I want to stop executing if a condition is met. 8 Answers ...
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What is the effect of extern “C” in C++?

...pe information to the name used for linkage. Just so you know, you can specify extern "C" linkage to each individual declaration/definition explicitly or use a block to group a sequence of declarations/definitions to have a certain linkage: extern "C" void foo(int); extern "C" { void g(char); ...
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What should I set JAVA_HOME environment variable on macOS X 10.6?

...ing lines to ~/.bash_profile. export JAVA_HOME=$(/usr/libexec/java_home) Now run the following command. source ~/.bash_profile You can check the exact value of JAVA_HOME by typing the following command. echo $JAVA_HOME The value(output) returned will be something like below. /Library/Java/...
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How does one remove an image in Docker?

... Ah, i didn't know about the command for "remove all existing container". Had written own: docker ps -a | sed -r 's/^(\w+).*/\1/g' | sed -r 's/^CONTAINER//' | sed -r 's/^(\w+)/docker rm \1/g' | awk 'system($0)' Thanks ! ...
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Setting variable to NULL after free

... @Paul: In the specific case, the declaration could read int *nPtr=NULL;. Now, I would agree that this would be redundant, with a malloc following right in the next line. However, if there is code between the declaration and the first initialization, somebody might start using the variable even tho...
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endsWith in JavaScript

... with ES6 adding endsWith, the point is moot. :-) ORIGINAL ANSWER: I know this is a year old question... but I need this too and I need it to work cross-browser so... combining everyone's answer and comments and simplifying it a bit: String.prototype.endsWith = function(suffix) { return th...