大约有 45,000 项符合查询结果(耗时:0.0499秒) [XML]

https://stackoverflow.com/ques... 

Is storing a delimited list in a database column really that bad?

Imagine a web form with a set of check boxes (any or all of them can be selected). I chose to save them in a comma separated list of values stored in one column of the database table. ...
https://stackoverflow.com/ques... 

Is it possible to write data to file using only JavaScript?

I want to Write Data to existing file using JavaScript. I don't want to print it on console. I want to Actually Write data to abc.txt . I read many answered question but every where they are printing on console. at some place they have given code but its not working. So please can any one help me H...
https://stackoverflow.com/ques... 

Making git auto-commit

I'd like to use git to record all the changes to a file. 18 Answers 18 ...
https://stackoverflow.com/ques... 

What are the security risks of setting Access-Control-Allow-Origin?

...calls. Now I can't help but feel that I'm putting my environment to security risks. Please help me if I'm doing it wrong. ...
https://stackoverflow.com/ques... 

Why and when to use Node.js? [duplicate]

Sorry if I'm a bit ambiguous, but I'm trying to understand the real advantages of using Node.js instead of other server-side language. ...
https://stackoverflow.com/ques... 

SQL select only rows with max value on a column [duplicate]

... At first glance... All you need is a GROUP BY clause with the MAX aggregate function: SELECT id, MAX(rev) FROM YourTable GROUP BY id It's never that simple, is it? I just noticed you need the content column as well. This is a very common question in SQL: find the whole data...
https://stackoverflow.com/ques... 

Is there a way to make R beep/play a sound at the end of a script?

... alarm() The alarm function. It works by sending \a to the console share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to update Ruby to 1.9.x on Mac?

...ount on my mac and I am trying to update to the current version of ruby on it (1.9.2) from the snow leopard default of 1.8.7. Can somebody point me to tutorial or explain the best method to update Ruby on my mac from 1.8 to 1.9.2? Thanks ...
https://stackoverflow.com/ques... 

NSUserDefaults - How to tell if a key exists

...small iPhone app, and I am using NSUserDefaults as my data persistence. It only has to keep track of a few things, such as some names and some numbers so I figure I might as well keep it simple. ...
https://stackoverflow.com/ques... 

Double exclamation points? [duplicate]

...lse. !!"foo" // Evaluates to true. If foo.bar is passed through, then it may not be 0 but some other falsy value. See the following truth table: Truth Table for javascript '' == '0' // false 0 == '' // true 0 == '0' // true false ...