大约有 40,000 项符合查询结果（耗时：0.0662秒） [XML]
Modulus % in Django template
... |
edited Mar 21 '13 at 7:27
answered Dec 13 '11 at 18:42
...
What are '$$' used for in PL/pgSQL
...
137
The dollar signs are used for dollar quoting and are in no way specific to function definitions...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
... Vlastimil Ovčáčík
1,8412121 silver badges2727 bronze badges
answered Aug 15 '12 at 9:00
DiegoDiego
29.9k1717 gold badges...
Why does Go have a “goto” statement
...
78
When we actually check the source code of the Go standard library, we can see where gotos are a...
Java Map equivalent in C#
...f Dictionary<TKey, TValue>'s MSDN page
– canton7
Sep 26 '14 at 10:35
add a comment
|
...
Append class if condition is true in Haml
...
74
just a side note for multiple conditions ` {class: [('class1' unless condition1), ('class2' if condition2)]} ` .. etc
...
SQLAlchemy: how to filter date field?
...= DBSession.query(User).filter(
and_(User.birthday <= '1988-01-17', User.birthday >= '1985-01-17'))
# or same:
qry = DBSession.query(User).filter(User.birthday <= '1988-01-17').\
filter(User.birthday >= '1985-01-17')
Also you can use between:
qry = DBSession.query(User...
MongoDB not equal to
... to query"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "post" : "how to query" }
And now $not, which takes in predicate ($ne) and negates it ($not):
db.test.find({'post': {$not: {$ne : ""}}})
{ "_id" : ObjectId("4f68b19c768972d396fe2267")...
Generate a UUID on iOS from Swift
...
answered Jun 26 '14 at 10:47
Ahmed Al HafoudhAhmed Al Hafoudh
7,62611 gold badge1414 silver badges3131 bronze badges
...