大约有 40,000 项符合查询结果(耗时:0.0520秒) [XML]
How to split csv whose columns may contain ,
...7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,\"Corvallis, OR\",7679,351,81,b437f461b3fd27387c5d8ab47a293d35,34";
TextFieldParser parser = new TextFieldParser(new StringReader(csv));
// You can also read from a file
// TextFieldParser parser = new TextFieldParser("mycsvfile....
Why can't my program compile under Windows 7 in French? [closed]
I'm running Windows 7 French and I'm trying to compile this really basic program, but Visual Studio is being stubborn and refuses to comply. I also tried compiling it with both GCC 4.7 and Clang trunk on Coliru and I get more or less the same errors (output is below the code), though I think Colir...
Why would one use REST instead of SOAP based services? [closed]
...
Less overhead (no SOAP envelope to wrap every call in)
Less duplication (HTTP already represents operations like DELETE, PUT, GET, etc. that have to otherwise be represented in a SOAP envelope).
More standardized - HTTP operations are well understood and operate consist...
Compare double to zero using epsilon
...0 00000000 00000000 00000000 00000000 00000000 00000000 × 2^0 = 1
The smallest representable number greater than 1:
1.0000 00000000 00000000 00000000 00000000 00000000 00000001 × 2^0 = 1 + 2^-52
Therefore:
epsilon = (1 + 2^-52) - 1 = 2^-52
Are there any numbers between 0 and epsilon? Plent...
When NOT to call super() method when overriding?
... its native class. Then when I want to override the base method, I always call super() method, just like I always do in onCreate , onStop , etc.
...
No connection could be made because the target machine actively refused it?
...
If this happens always, it literally means that the machine exists but that it has no services listening on the specified port, or there is a firewall stopping you.
If it happens occasionally - you used the word "sometimes" - and retrying succeeds, it is l...
How do I copy to the clipboard in JavaScript?
...copy event
See Clipboard API documentation on Overriding the copy event.
Allows you to modify what appears on the clipboard from any copy event, can include other formats of data other than plain text.
Not covered here as it doesn't directly answer the question.
General development notes
Don't...
Why does .NET use banker's rounding as default?
...m. Over the course of many roundings performed, you will average out that all .5's end up rounding equally up and down. This gives better estimations of actual results if you are for instance, adding a bunch of rounded numbers. I would say that even though it isn't what some may expect, it's prob...
What is the difference between visibility:hidden and display:none?
...display:none means that the tag in question will not appear on the page at all (although you can still interact with it through the dom). There will be no space allocated for it between the other tags.
visibility:hidden means that unlike display:none, the tag is not visible, but space is allocat...
Where does Xcode 4 store Scheme Data?
... use Xcode 4, and I'm trying to find the file in a project where it stores all of a project's Schemes. I figured they would be stored in a file in the xcodeproj directory somewhere, but for the life of me I can't find which one.
...
