大约有 16,000 项符合查询结果（耗时：0.0265秒） [XML]
General guidelines to avoid memory leaks in C++ [closed]
What are some general tips to make sure I don't leak memory in C++ programs? How do I figure out who should free memory that has been dynamically allocated?
...
Example JavaScript code to parse CSV data
...
You can use the CSVToArray() function mentioned in this blog entry.
<script type="text/javascript">
// ref: http://stackoverflow.com/a/1293163/2343
// This will parse a delimited string into an array of
// arrays. The default delimiter is the comma, but this
//...
What is the difference between NULL, '\0' and 0?
...
Note: This answer applies to the C language, not C++.
Null Pointers
The integer constant literal 0 has different meanings depending upon the context in which it's used. In all cases, it is still an integer constant with the value 0, it is just described in di...
How can I deploy an iPhone application from Xcode to a real iPhone device?
...deploy an iPhone application from Xcode to real iPhone device without having a US$99 Apple certificate?
12 Answers
...
How to convert an enum type variable to a string?
...
There really is no beautiful way of doing this. Just set up an array of strings indexed by the enum.
If you do a lot of output, you can define an operator<< that takes an enum parameter and does the lookup for you.
...
Choose Git merge strategy for specific files (“ours”, “mine”, “theirs”)
I am in the middle of rebasing after a git pull --rebase . I have a few files that have merge conflicts. How can I accept "their" changes or "my" changes for specific files?
...
How can you find the height of text on an HTML canvas?
...is. I know it's based on the font, but I don't know to convert a font string to a text height.
23 Answers
...
What is the difference between a pseudo-class and a pseudo-element in CSS?
Things like a:link or div::after ...
8 Answers
8
...
Handle file download from ajax post
... javascript app that sends ajax POST requests to a certain URL. Response might be a JSON string or it might be a file (as an attachment). I can easily detect Content-Type and Content-Disposition in my ajax call, but once I detect that the response contains a file, how do I offer the client to downlo...
How can I output a UTF-8 CSV in PHP that Excel will read properly?
I've got this very simple thing that just outputs some stuff in CSV format, but it's got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at...