大约有 36,010 项符合查询结果(耗时:0.0543秒) [XML]

https://stackoverflow.com/ques... 

Parsing boolean values with argparse

... a default value (specific to the user settings). One (indirectly related) downside with that approach is that the 'nargs' might catch a positional argument -- see this related question and this argparse bug report. share ...
https://stackoverflow.com/ques... 

Minimal web server using netcat

... Try this: while true ; do nc -l -p 1500 -c 'echo -e "HTTP/1.1 200 OK\n\n $(date)"'; done The -cmakes netcat execute the given command in a shell, so you can use echo. If you don't need echo, use -e. For further information on this, try man nc. No...
https://stackoverflow.com/ques... 

How do I write a correct micro-benchmark in Java?

How do you write (and run) a correct micro-benchmark in Java? 11 Answers 11 ...
https://stackoverflow.com/ques... 

Proper use of beginBackgroundTaskWithExpirationHandler

... allotted time has expired. Mine tend look something like this: - (void) doUpdate { dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{ [self beginBackgroundUpdateTask]; NSURLResponse * response = nil; NSError * error = nil; NSDa...
https://stackoverflow.com/ques... 

A cron job for rails: best practices?

... With a file called lib/tasks/cron.rake .. task :cron => :environment do puts "Pulling new requests..." EdiListener.process_new_messages puts "done." end To execute from the command line, this is just "rake cron". This command can then be put on the operating system cron/task scheduler ...
https://stackoverflow.com/ques... 

Python append() vs. + operator on lists, why do these give different results?

Why do these two operations ( append() resp. + ) give different results? 7 Answers 7...
https://stackoverflow.com/ques... 

Why is it bad practice to call System.gc()?

...not entirely convincing. In addition, no one seemed to dare to upvote, nor downvote my answer. 12 Answers ...
https://stackoverflow.com/ques... 

How do I access the $scope variable in browser's console using AngularJS?

...ld like to access my $scope variable in Chrome's JavaScript console. How do I do that? 19 Answers ...
https://stackoverflow.com/ques... 

What does the Java assert keyword do, and when should it be used?

...act, Oracle tells you not to use assert to check public method parameters (docs.oracle.com/javase/1.4.2/docs/guide/lang/assert.html). That should throw an Exception instead of killing the program. – SJuan76 Aug 25 '13 at 21:58 ...
https://stackoverflow.com/ques... 

Java EE web development, where do I start and what skills do I need? [closed]

...lso Java Platform, Enterprise Edition, History on Wikipedia. What exactly do I need to learn? I assume that you're already familiar with client side technologies like HTML, CSS and JS, so I won't go in detail with that. I also assume that you're already familiar with basic Java. Follow Oracle's Th...