大约有 48,000 项符合查询结果(耗时:0.0395秒) [XML]

https://stackoverflow.com/ques... 

Calendar Recurring/Repeating Events - Best Storage Method

... NAME 1 Sample Event 2 Another Event And a table called events_meta like this: ID event_id meta_key meta_value 1 1 repeat_start 1299132000 2 1 repeat_interval_1 432000 With repeat_start being a date with no time as a unix times...
https://stackoverflow.com/ques... 

javac : command not found

... yes, i am sure. just look at the java-1.6.0-openjdk.x86_64 package information (scroll to the "Files" section) and see that there is no javac in that package. and then look at the OpenJDK Development Environment package. – ax. Mar 23 '11 at ...
https://stackoverflow.com/ques... 

Getting realtime output using subprocess

...pe, no communicate() method on the returned CompletedProcess. Also, capture_output is mutually exclusive with stdout and stderr. – Aidan Feldman Apr 19 '19 at 3:03 add a comme...
https://stackoverflow.com/ques... 

@UniqueConstraint annotation in Java

... @Entity @Table(uniqueConstraints={@UniqueConstraint(columnNames = {"id_1" , "id_2"})}) public class class_name { @Id @GeneratedValue public Long id; @NotNull public Long id_1; @NotNull public Long id_2; } Hope it helped. ...
https://stackoverflow.com/ques... 

How do I parallelize a simple Python loop?

...tead: pool = multiprocessing.Pool(4) out1, out2, out3 = zip(*pool.map(calc_stuff, range(0, 10 * offset, offset))) Note that this won't work in the interactive interpreter. To avoid the usual FUD around the GIL: There wouldn't be any advantage to using threads for this example anyway. You want t...
https://stackoverflow.com/ques... 

Setting the correct encoding when piping stdout in Python

...o it can be set when output is not a terminal. There is even a standard LC_CTYPE environment to specify it. It is a but in python that it doesn't respect this. – Rasmus Kaj May 31 '10 at 15:34 ...
https://stackoverflow.com/ques... 

How to compare type of an object in Python?

... isinstance works: if isinstance(obj, MyClass): do_foo(obj) but, keep in mind: if it looks like a duck, and if it sounds like a duck, it is a duck. EDIT: For the None type, you can simply do: if obj is None: obj = MyClass() ...
https://stackoverflow.com/ques... 

How can I check for Python version in a program that uses new language features?

...oesn't have ternary Also, with is available in Python 2.5, just add from __future__ import with_statement. EDIT: to get control early enough, you could split it into different .py files and check compatibility in the main file before importing (e.g. in __init__.py in a package): # __init__.py #...
https://stackoverflow.com/ques... 

Is there a “goto” statement in bash?

... @ruakh Actually, many languages allow break LABEL_NAME;, rather than Bash's disgusting break INTEGER;. – Sapphire_Brick Jun 29 at 18:37 1 ...
https://stackoverflow.com/ques... 

Get current domain

... Try using this: $_SERVER['SERVER_NAME'] Or parse $_SERVER['REQUEST_URI'] apache_request_headers() share | improve this answer ...