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Why is setTimeout(fn, 0) sometimes useful?

...o initialize the drop-down list, ready to have its selected index updated, and Your code to set the selected index Your code was consistently winning this race and attempting to set drop-down selection before the browser was ready, meaning that the bug would appear. This race existed because Java...
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LINQ to read XML

...ring()); //added this so you could see the output on the console } } And next: //Dommer's example, using data.xml from OP using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Xml.Linq; class loadXMLToLINQ { static void Main( ) { XElem...
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Simplest way to do a recursive self-join?

...ITH clause. If you need specifics, please create a fiddle on sqlfiddle.com and post the link here. – Quassnoi Nov 25 '14 at 22:31 add a comment  |  ...
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nginx upload client_max_body_size issue

I'm running nginx/ruby-on-rails and I have a simple multipart form to upload files. Everything works fine until I decide to restrict the maximum size of files I want uploaded. To do that, I set the nginx client_max_body_size to 1m (1MB) and expect a HTTP 413 (Request Entity Too Large) status in...
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What REALLY happens when you don't free after malloc?

...hink of might be something like Palm OS where the program's static storage and runtime memory are pretty much the same thing, so not freeing might cause the program to take up more storage. (I'm only speculating here.) So generally, there's no harm in it, except the runtime cost of having more sto...
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Java generics type erasure: when and what happens?

...metadata in the class file to say whether or not a method/type is generic, and what the constraints are etc. But when generics are used, they're converted into compile-time checks and execution-time casts. So this code: List<String> list = new ArrayList<String>(); list.add("Hi"); String...
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How to iterate over arguments in a Bash script

I have a complex command that I'd like to make a shell/bash script of. I can write it in terms of $1 easily: 8 Answers ...
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin

...lication execution, many identical connections will be repeatedly opened and closed. To minimize the cost of opening connections, ADO.NET uses an optimization technique called connection pooling. Connection pooling reduces the number of times that new connections must be opened. The poo...
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What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?

If I have some integer n, and I want to know the position of the most significant bit (that is, if the least significant bit is on the right, I want to know the position of the furthest left bit that is a 1), what is the quickest/most efficient method of finding out? ...
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How do I print the elements of a C++ vector in GDB?

..., 30} To achieve above, you need to have gdb 7 (I tested it on gdb 7.01) and some python pretty-printer. Installation process of these is described on gdb wiki. What is more, after installing above, this works well with Eclipse C++ debugger GUI (and any other IDE using GDB, as I think). ...