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What is the most efficient string concatenation method in python?
Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here :
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Simple way to transpose columns and rows in SQL?
How do I simply switch columns with rows in SQL?
Is there any simple command to transpose?
9 Answers
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Why define an anonymous function and pass it jQuery as the argument?
I'm looking through the excellent peepcode demo code from the backbone.js screencasts. In it, the backbone code is all enclosed in an anonymous function that is passed the jQuery object:
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Are Java static calls more or less expensive than non-static calls?
Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot.
12 Answers
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what is the difference between OLE DB and ODBC data sources?
I was reading a MS Excel help article about pivotcache and wonder what they mean by OLE DB and ODBC sources
11 Answers
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Conditional Variable vs Semaphore
When should one use a semaphore and when should one use a conditional variable (CondVar) ?
6 Answers
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OAuth with Verification in .NET
I'm trying to create a .NET-based client app (in WPF - although for the time being I'm just doing it as a console app) to integrate with an OAuth-enabled application, specifically Mendeley ( http://dev.mendeley.com ), which apparently uses 3-legged OAuth.
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Difference between 'struct' and 'typedef struct' in C++?
In C++ , is there any difference between:
8 Answers
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How to test that no exception is thrown?
I know that one way to do it would be:
15 Answers
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POSTing a @OneToMany sub-resource association in Spring Data REST
Currently I have a Spring Boot application using Spring Data REST. I have a domain entity Post which has the @OneToMany relationship to another domain entity, Comment . These classes are structured as follows:
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