大约有 16,000 项符合查询结果（耗时：0.0430秒） [XML]
MySQL DROP all tables, ignoring foreign keys
... to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?
24 Answers
...
How do I map lists of nested objects with Dapper
...vely, you can use one query with a lookup:
var lookup = new Dictionary<int, Course>();
conn.Query<Course, Location, Course>(@"
SELECT c.*, l.*
FROM Course c
INNER JOIN Location l ON c.LocationId = l.Id
", (c, l) => {
Course course;
...
What are some compelling use cases for dependent method types?
...pes can give rise to a need for dependent method types. In particular, I maintain that without dependent method types the classic cake pattern is closer to being an anti-pattern.
So what's the problem? Nested types in Scala are dependent on their enclosing instance. Consequently, in the absence of ...
The best way to remove duplicate values from NSMutableArray in Objective-C?
... *orderedSet = [NSOrderedSet orderedSetWithArray:yourArray];
You can now convert it back to a unique NSArray
NSArray *uniqueArray = orderedSet.array;
Or just use the orderedSet because it has the same methods like an NSArray like objectAtIndex:, firstObject and so on.
A membership check with c...
Can I change all my http:// links to just //?
...
I'm finding that IE6 attempts to convert the URI to a relative one (i.e. removing one of the leading slashes). This is in a link element. For example, when specifying //fonts.googleapis.com/css?family=Rokkitt:400,700, IE6 tries to load http://mysite.com/font...
What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...returning the amount (2 in this case) of elements of A which are not in B. Converting 2 into array is pointless...
– Alex
Mar 2 '18 at 12:29
add a comment
|...
Set a DateTime database field to “Now”
...setting the SQLparameter to DateTime.Now will do this or If I should first convert the date to a string and then add it to the request ?
– Thibault Witzig
Dec 20 '10 at 9:41
...
Comparing mongoose _id and strings
...
converting object id to string(using toString() method) will do the job.
share
|
improve this answer
|
...
Programmatically obtain the phone number of the Android phone
...
Mark is right. If the intent to use something that uniquely identifies phone i'd use getDeviceId() which will return IMEA for GSM.
– Alex Volovoy
Mar 19 '10 at 20:40
...
How is this fibonacci-function memoized?
... the exponential explosion. But with that trick, we set out a list for the interim results, and go "through the list":
fib n = (xs!!(n-1)) + (xs!!(n-2)) where xs = 0:1:map fib [2..]
The trick is to cause that list to get created, and cause that list not to go away (by way of garbage collection) b...