大约有 47,000 项符合查询结果（耗时：0.0622秒） [XML]
How to asynchronously call a method in Java
...ot (yet) have first-class functions, so this is the state of the art right now.
– shadit
Dec 4 '09 at 5:11
thanks for ...
Check whether a variable is a string in Ruby
...
Without knowing the question's intent, I'd say for most real-world programming situations, is_a? is actually the more appropriate idiom to use (and often a duck-typing check like Andrew Grimm mentions is even better). A strict class c...
How to convert currentTimeMillis to a date in Java?
I have milliseconds in certain log file generated in server, I also know the locale from where the log file was generated, my problem is to convert milliseconds to date in specified format.
The processing of that log is happening on server located in different time zone. While converting to "SimpleD...
How can I time a code segment for testing performance with Pythons timeit?
...
update: time.clock() is now deprecated. You should now use time.time(). Actually, since version 3.3, the best option would be time.perf_counter()
– Madlozoz
Jul 10 '16 at 9:57
...
window.onload vs document.onload
... including its content (images, CSS, scripts, etc.).
In some browsers it now takes over the role of document.onload and fires when the DOM is ready as well.
document.onload
It is called when the DOM is ready which can be prior to images and other external content is loaded.
How well are they ...
What is an unsigned char?
...2-bit chars, and 32-bit integers, and have sizeof(int) != sizeof(char)? I know the standard says sizeof(char) == 1, but is the relative sizeof(int) based on actual difference in size or the difference in range?
– Joseph Garvin
Jan 11 '09 at 23:21
...
SQLite DateTime comparison
...f today.
I arrived at the following.
WHERE dateTimeRecorded between date('now', 'start of day','-2 days')
and date('now', 'start of day', '+1 day')
Ok, technically I also pull in midnight on tomorrow like the original poster, if there was any data, but my data is all...
Rename a file in C#
...
File.Move has an overload method now that allows you to overwrite the file - File.Move(oldPath, newPath, true)
– Ella
Apr 5 at 22:15
...
Regex Named Groups in Java
...
(Update: August 2011)
As geofflane mentions in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex named group support was presented back in September 2...
What's the “big idea” behind compojure routes?
...s (the code is entirely self-documenting here).
Let's try using defroutes now:
(defroutes example-routes
(GET "/" [] "get")
(HEAD "/" [] "head"))
The responses to the example request displayed above and to its variant with :request-method :head are like expected.
The inner workings of examp...