I have been working on a new feature for a facebook game I have written. The game allows a player to travel between cities in Europe and deliver goods for profit. This feature that I\'m adding adds pa
If I want to rename A to B, but only if B doesn\'t exist, the naive thing would be checking if B exists (with access(\"B\", F_OK) or something like that), and if it doesn\'t proceeding with rename. Un
I have this sub : Private Sub error_out(ByVal line As Integer, ByVal err_col As Integer, ByVal err_msg As开发者_StackOverflow中文版 String)
开发者_如何学GoIn a POSIX environment, I want to remove a file from disk, but calculate its checksum before removing it, to make sure it was not changed. Is locking enough? Should I open it, unlink, c
Please consider the following code and the explanation from this Mozilla tutorial \"Using web workers\":
I made a web app that loads images using jquery, ajax and json. I got it to work in Firefox, but alas, Safari and Chrome remain stubborn.
I just learned about queues in 开发者_Python百科.NET and I have a few questions. Let\'s say that I\'m building an application that downloads the HTML of pages and then processes it. Here\'s how I wan
I have a bit of code with a race condition in it... I know that it is a race condition because it does not happen consistently, and it seems to happen more often on dual core machines.
What is the difference between a dead lock an开发者_JAVA技巧d a race around condition in programming terms?Think of a race condition using the traditional example. Say you and a friend have an ATM car
I\'ve learned that every class byte code is been loaded to the memory once for each class loader, thus when a thread is executing the byte code of some method, and another thread comes along?
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