大约有 21,000 项符合查询结果（耗时：0.0314秒） [XML]
Passing variables in remote ssh command
I want to be able to run a command from my machine using ssh and pass through the environment variable $BUILD_NUMBER
7 Ans...
Delete all but the most recent X files in bash
Is there a simple way, in a pretty standard UNIX environment with bash, to run a command to delete all but the most recent X files from a directory?
...
How to split a string, but also keep the delimiters?
I have a multiline string which is delimited by a set of different delimiters:
23 Answers
...
Using printf with a non-null terminated string
Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
...
Peak signal detection in realtime timeseries data
Update: The best performing algorithm so far is this one .
33 Answers
33
...
What's the difference between and , and ?
What's the difference between <b> and <strong> , <i> and <em> in HTML/XHTML? When should you use each?
...
Creating an API for mobile applications - Authentication and Authorization
I'm looking to create a (REST) API for my application. The initial/primary purpose will be for consumption by mobile apps (iPhone, Android, Symbian, etc). I've been looking into different mechanisms for authentication and authorization for web-based APIs (by studying other implementations). I've ...
JavaScript Regular Expression Email Validation [duplicate]
This code is always alerting out "null" , which means that the string does not match the expression.
17 Answers
...
Query EC2 tags from within instance
Amazon recently added the wonderful feature of tagging EC2 instances with key-value pairs to make management of large numbers of VMs a bit easier.
...
Remove an element from a Bash array
I need to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
...