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How to use the IEqualityComparer

I have some bells in my database with the same number. I want to get all of them without duplication. I created a compare class to do this work, but the execution of the function causes a big delay from the function without distinct, from 0.6 sec to 3.2 sec! ...
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decompiling DEX into Java sourcecode

...f -o output_jar.jar dex_to_decompile.dex Note 1: In the Windows machines all the .sh scripts are replaced by .bat scripts Note 2: On linux/mac don't forget about sh or bash. The full command should be: sh d2j-dex2jar.sh -f -o output_jar.jar apk_to_decompile.apk Note 3: Also, remember to add ...
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LINQ Aggregate algorithm explained

This might sound lame, but I have not been able to find a really good explanation of Aggregate . 12 Answers ...
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Calling Objective-C method from C++ member function?

I have a class ( EAGLView ) which calls a member function of a C++ class without problems. Now, the problem is that I need to call in that C++ class a objective-C function [context renderbufferStorage:GL_RENDERBUFFER fromDrawable:(CAEAGLLayer*)self.layer]; which I cannot do in C++ syntax...
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python assert with and without parenthesis

...through IDLE. Because assert is a keyword and not a function, you are actually passing in a tuple as the first argument and leaving off the second argument. Recall that non-empty tuples evaluate to True, and since the assertion message is optional, you've essentially called assert True when you wr...
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What is the difference between partitioning and bucketing a table in Hive ?

... Partitioning data is often used for distributing load horizontally, this has performance benefit, and helps in organizing data in a logical fashion. Example: if we are dealing with a large employee table and often run queries with WHERE clauses that restrict the results to a particular ...
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Profiling Vim startup time

... if you want it to just print it, try vim --startuptime /dev/stdout +qall – Capi Etheriel Jan 15 '13 at 17:37 1 ...
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How to Update Multiple Array Elements in mongodb

...At this moment it is not possible to use the positional operator to update all items in an array. See JIRA http://jira.mongodb.org/browse/SERVER-1243 As a work around you can: Update each item individually (events.0.handled events.1.handled ...) or... Read the document, do the edits manually and ...
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Call a function with argument list in python

I'm trying to call a function inside another function in python, but can't find the right syntax. What I want to do is something like this: ...
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Get filename from file pointer [duplicate]

If I have a file pointer is it possible to get the filename? 1 Answer 1 ...