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In C++, is it still bad practice to return a vector from a function?
Short version: It's common to return large objects—such as vectors/arrays—in many programming languages. Is this style now acceptable in C++0x if the class has a move constructor, or do C++ programmers consider it weird/ugly/abomination?
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In JavaScript can I make a “click” event fire programmatically for a file input element?
I'd like to make a click event fire on an <input type="file"> tag programmatically.
28 Answers
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Optimal number of threads per core
Let's say I have a 4-core CPU, and I want to run some process in the minimum amount of time. The process is ideally parallelizable, so I can run chunks of it on an infinite number of threads and each thread takes the same amount of time.
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List Git aliases
How do I print a list of my git aliases, i.e., something analogous to the bash alias command?
16 Answers
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Android Eclipse - Could not find *.apk
I know this question has been asked before and I have seen a plethora of solutions out there, yet none seem to work for me. I was able to build my apk without issues until this error started cropping up. I have tried cleaning my project, removing it from the workspace and reimporting it, removing ...
How do I lowercase a string in C?
How can I convert a mixed case string to a lowercase string in C?
6 Answers
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Applications are expected to have a root view controller at the end of application launch
I get the following error in my console:
49 Answers
49
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mongorestore error: Don't know what to do with the dump file [closed]
I have mongo DB installed in the following path c:\mongodb\bin . I have configured my environment variable PATH in advanced settings.I also have mongod running .When I run the following command mongorestore dump from the following path c:\hw1-1\dump (This contains the BSON files) I'm getting th...
Converting A String To Hexadecimal In Java
I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ.
21 Answers
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Fastest check if row exists in PostgreSQL
I have a bunch of rows that I need to insert into table, but these inserts are always done in batches. So I want to check if a single row from the batch exists in the table because then I know they all were inserted.
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