大约有 42,000 项符合查询结果（耗时：0.0471秒） [XML]
CORS - What is the motivation behind introducing preflight requests?
Cross-origin resource sharing is a mechanism that allows a web page to make XMLHttpRequests to another domain (from wikipedia ).
...
Setting variable to NULL after free
...e is a coding rule that says, after freeing any memory, reset the variable to NULL . For example ...
23 Answers
...
Why is it common to put CSRF prevention tokens in cookies?
I'm trying to understand the whole issue with CSRF and appropriate ways to prevent it. (Resources I've read, understand, and agree with: OWASP CSRF Prevention CHeat Sheet , Questions about CSRF .)
...
Reference: mod_rewrite, URL rewriting and “pretty links” explained
"Pretty links" is an often requested topic, but it is rarely fully explained. mod_rewrite is one way to make "pretty links", but it's complex and its syntax is very terse, hard to grok, and the documentation assumes a certain level of proficiency in HTTP. Can someone explain in simple terms how "p...
Pointers in C: when to use the ampersand and the asterisk?
...ress of a variable and that * can be used in front of a pointer variable to get the value of the object that is pointed to by the pointer. But things work differently when you're working with arrays, strings or when you're calling functions with a pointer copy of a variable. It's difficult to see ...
Save PL/pgSQL output from PostgreSQL to a CSV file
What is the easiest way to save PL/pgSQL output from a PostgreSQL database to a CSV file?
18 Answers
...
To ARC or not to ARC? What are the pros and cons? [closed]
I've yet to use ARC, since the majority of the code in the project I'm working on at the moment was written pre-iOS 5.0.
6...
How to elegantly deal with timezones
... in a different timezone than the users using the application. In addition to this, users can have a specific timezone. I was wondering how other SO users and applications approach this? The most obvious part is that inside the DB, date/times are stored in UTC. When on the server, all date/times sho...
git - Server host key not cached
I try to push changes from my local repo to a remote repo. When I type:
20 Answers
20
...
How to round up to the nearest 10 (or 100 or X)?
I am writing a function to plot data. I would like to specify a nice round number for the y-axis max that is greater than the max of the dataset.
...