dev-null
If I call cat /dev/null twice in succession on a file, will the second call be a no-op?
I want to use cat filepath > /dev/null as a cheap memory caching mechanism. What I am wondering about is: if I call it a second time, and the file[详细]
2023-03-08 01:29 分类:问答Special handling of /dev/null in open and write?
according to a hint from another thread I want to analyze pointers, if their dereferencing would cause an segmentation faults or not. The idea is to write code like this:[详细]
2023-02-10 21:16 分类:问答Significance of /dev/null in Web Servers?
Recently I\'ve heard a bit about the implementation (or rather, use of) /dev/null in Mongrel2, as well as other projects. However, I\'ve never seen it explained what this actually means.[详细]
2023-01-14 05:28 分类:问答Can I get a faster output pipe than /dev/null?
I am running a huge task [autom开发者_JAVA百科ated translation scripted with perl + database etc.] to run for about 2 weeks non-stop. While thinking how to speed it up I saw that the translator output[详细]
2022-12-28 15:14 分类:问答IE javascript redirection
I have a javascript function which redirects user to a diff page. It goes like this... redirect : function(url)[详细]
2022-12-17 17:46 分类:问答