大约有 15,000 项符合查询结果(耗时:0.0551秒) [XML]

https://stackoverflow.com/ques... 

Is there a Java equivalent or methodology for the typedef keyword in C++?

...or what you want since you can't subclass final classes (Integer, Double, etc) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

What is the proper way to format a multi-line dict in Python?

... I use #3. Same for long lists, tuples, etc. It doesn't require adding any extra spaces beyond the indentations. As always, be consistent. mydict = { "key1": 1, "key2": 2, "key3": 3, } mylist = [ (1, 'hello'), (2, 'world'), ] nested = { a...
https://stackoverflow.com/ques... 

HTTP POST using JSON in Java

...uest); } catch (Exception ex) { } finally { // @Deprecated httpClient.getConnectionManager().shutdown(); } share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

IPC performance: Named Pipe vs Socket

...(processAin, processAout, processBin, processBout, processCin, processCout etc) Or you can go hybrid as always :) Named pipes are quite easy to implement. E.g. I implemented a project in C with named pipes, thanks to standart file input-output based communication (fopen, fprintf, fscanf ...) it ...
https://stackoverflow.com/ques... 

How to show a dialog to confirm that the user wishes to exit an Android Activity?

...your app: pressing home, selecting a notification, receiving a phone call, etc. – hackbod Feb 13 '10 at 19:56 This wor...
https://stackoverflow.com/ques... 

Fastest way to find second (third…) highest/lowest value in vector or column

...ightly more general function, which can be used to find the 2nd, 3rd, 4th (etc.) max: maxN <- function(x, N=2){ len <- length(x) if(N>len){ warning('N greater than length(x). Setting N=length(x)') N <- length(x) } sort(x,partial=len-N+1)[len-N+1] } maxN(1:10) ...
https://stackoverflow.com/ques... 

How do I get the full path to a Perl script that is executing?

...rking directory if the script is at or below the CWD Additionally, cwd(), getcwd() and abs_path() are provided by the Cwd module and tell you where the script is being run from The module FindBin provides the $Bin & $RealBin variables that usually are the path to the executing script; this modul...
https://stackoverflow.com/ques... 

Create an empty object in JavaScript with {} or new Object()?

... parameter- the object creation to other constructors like string, number, etc... It's highly important to keep this in mind when you're managing dynamic data to create objects.. Many authors recommend not to use the object constructor when you can use a certain literal notation instead, where you ...
https://stackoverflow.com/ques... 

Does MySQL index foreign key columns automatically?

... Index. So, may be that is the reason MS SQL, DB2 (Oracle I'm not sure on) etc leave it up to the DBA; after all multiple indexes on large tables can cause issues with performance and space. share | ...
https://stackoverflow.com/ques... 

How can you speed up Eclipse?

...ory Eclipse will get (in simple terms). With -Xmx4g, it gets 4 GB of RAM, etc. Note: Referring to the jvm.dll has advantages: Splash screen coming up sooner. Eclipse.exe in the process list instead of java.exe. Firewalls: Eclipse wants access to the Internet instead of Java. Window management b...