大约有 40,000 项符合查询结果（耗时：0.0584秒） [XML]
Can I see changes before I save my file in Vim?
...
http://vim.wikia.com/wiki/Diff_current_buffer_and_the_original_file
Here is a function and command to see a diff between the currently edited file and its unmodified version in the filesystem. Just put this in your vimrc or in the plugin ...
run main class of Maven project [duplicate]
...t the main class (which doesn't require any arguments) can be run from the command-line using a maven command like:
2 Answe...
RuntimeError on windows trying python multiprocessing
...
|
show 5 more comments
25
...
What is Hindley-Milner?
...m of almost every statically typed functional language. Such languages in common use include
The ML family (Standard ML and Objective Caml)
Haskell
Clean
All these languages have extended Hindley-Milner; Haskell, Clean, and Objective Caml do so in ambitious and unusual ways. (Extensions are re...
How do I put an 'if clause' in an SQL string?
...c query, you can do:
UPDATE purchaseOrder
SET purchaseOrder_status = 'COMPLETED'
WHERE purchaseOrder_ID = '@purchaseOrder_ID' and
not exists (SELECT *
FROM itemsOrdered WHERE purchaseOrder_ID = '@purchaseOrdered_ID' AND status = 'PENDING'
...
Encoding URL query parameters in Java
...at does url encoding, instead it encodes data to be submitted via a form. comments?
– Alex Black
Mar 16 '11 at 18:50
...
Converting Storyboard from iPhone to iPad
...
|
show 16 more comments
61
...
Which data type for latitude and longitude?
...
You can use the data type point - combines (x,y) which can be your lat / long. Occupies 16 bytes: 2 float8 numbers internally.
Or make it two columns of type float (= float8 or double precision). 8 bytes each.
Or real (= float4) if additional precision is no...
Override and reset CSS style: auto or none don't work
...h yes, I forgot - min-width has a default value of 0 - reference.sitepoint.com/css/min-width
– Yi Jiang
Feb 23 '11 at 13:23
...
How do I insert datetime value into a SQLite database?
...
Note that you can't reliably compare dates with different precision using lexical ordering, e.g "SELECT '2007-01-02 10:00:00' > '2007-01-02 10:00';" returns 1 but "SELECT datetime('2007-01-02 10:00:00') > datetime('2007-01-02 10:00');" returns 0.
...