大约有 47,000 项符合查询结果(耗时:0.0465秒) [XML]

https://stackoverflow.com/ques... 

How to provide user name and password when connecting to a network share

...e needs it in a hurry: public class NetworkConnection : IDisposable { string _networkName; public NetworkConnection(string networkName, NetworkCredential credentials) { _networkName = networkName; var netResource = new NetResource() { Scope...
https://stackoverflow.com/ques... 

How do you determine the ideal buffer size when using FileInputStream?

...buffer size. If you pick a size that's too small, you'll waste time doing extra I/O operations and extra function calls. If you pick a size that's too big, you'll start seeing a lot of cache misses which will really slow you down. Don't use a buffer bigger than your L2 cache size. ...
https://stackoverflow.com/ques... 

PostgreSQL function for last inserted ID

...s some TRIGGER (or RULE) that, on insertion into persons table, makes some extra insertions in other tables... then LASTVAL will probably give us the wrong value. The problem can even happen with CURRVAL, if the extra insertions are done intto the same persons table (this is much less usual, but the...
https://stackoverflow.com/ques... 

Jump to function definition in vim

...ns in the background and analyses your whole project in real time exposing extra capabilities to your editor (any editor, not only vim). You get things like: namespace aware tag completion jump to definition jump to next / previous error find all references to an object find all interface implemen...
https://stackoverflow.com/ques... 

C library function to perform sort

... (int *) a; int *y = (int *) b; return *x - *y; } 2. Comparing a list of strings: For comparing string, you need strcmp function inside <string.h> lib. strcmp will by default return -ve,0,ve appropriately... to sort in reverse order, just reverse the sign returned by strcmp #include <st...
https://stackoverflow.com/ques... 

Different bash prompt for different vi editing mode?

... Bash 4.4 / Readline 7.0 will add support for user-settable mode strings. You can try the beta versions, but they seem a bit buggy at the moment. They also don't yet support specifying where in the prompt you want the mode indicator to occur (which I think is the killer feature). If you ...
https://stackoverflow.com/ques... 

How to check if a file exists in Go?

...xists reports whether the named file or directory exists. func Exists(name string) bool { if _, err := os.Stat(name); err != nil { if os.IsNotExist(err) { return false } } return true } The example is extracted from here. ...
https://stackoverflow.com/ques... 

Print array to a file

... @user1899415 implode the array with PHP_EOL and write the resulting string to file. – Gordon Aug 22 '13 at 8:56 13 ...
https://stackoverflow.com/ques... 

What is dynamic programming? [closed]

...problem just became more manageable. Dynamic programming is used a lot in string problems, such as the string edit problem. You solve a subset(s) of the problem and then use that information to solve the more difficult original problem. With dynamic programming, you store your results in some sort...
https://stackoverflow.com/ques... 

Has anyone ever got a remote JMX JConsole to work?

...e ports for RMI, and those are probably blocked by a firewall. One of the extra ports will not be know up front if you use the default RMI configuration, so you have to open up a big range of ports - which might not amuse the server administrator. There is a solution that does not require opening ...