大约有 45,000 项符合查询结果（耗时：0.0526秒） [XML]
Difference Between One-to-Many, Many-to-One and Many-to-Many?
...fect the one-to-many/many-to-many relationships. I'm using Hibernate right now so any explanation that's ORM related will be helpful.
...
Where is Erlang used and why? [closed]
I would like to know a list of the most common application/websites/solutions where Erlang is used, successfully or not .
...
How to remove a TFS Workspace Mapping?
...ed in workspace {mypcname};domain\zhasan
– SearchForKnowledge
Aug 22 '14 at 13:48
5
I had a \4.0\...
Preserving order with LINQ
...hile
Take
TakeWhile
Where
Zip (new in .net 4)
Destroys Order - we don't know what order to expect results in.
ToDictionary
ToLookup
Redefines Order Explicitly - use these to change the order of the result
OrderBy
OrderByDescending
Reverse
ThenBy
ThenByDescending
Redefines Order according t...
How to get position of a certain element in strings vector, to use it as an index in ints vector?
...
To get a position of an element in a vector knowing an iterator pointing to the element, simply subtract v.begin() from the iterator:
ptrdiff_t pos = find(Names.begin(), Names.end(), old_name_) - Names.begin();
Now you need to check pos against Names.size() to see if...
LEFT JOIN only first row
... Wouldn't at this point a simple sub-query be better? Cause now you have a join, and a sub-query. Just asking cause I am looking for solution to same problem :)
– galdikas
Feb 11 '16 at 10:36
...
Python Empty Generator Function
...should go to Unutbu for giving the first correct version of this answer.)
Now, you may find the above clearer, but I can imagine situations in which it would be less clear. Consider this example of a long list of (contrived) generator function definitions:
def zeros():
while True:
yiel...
Django's SuspiciousOperation Invalid HTTP_HOST header
... for the vulnerability by spoofing the header.
There is discussion right now by the Django developers to change this from a 500 internal server error to a 400 response. See this ticket.
share
|
im...
Get the value of an instance variable given its name
...e public. What you should do is:
class Computer
attr_reader :cpus
end
Now you can do Computer.new(4).cpus.
Note that you can reopen any existing class and make a private ivar into a reader. Since an accessor is just a method, you can do Computer.new(4).send(var_that_evaluates_to_cpus)
...
Do AJAX requests retain PHP Session info?
... (<-- see e.g. the topmost comment there) is a separate question, let's now stick to the current one, with just one side-note: the most prominent issue with URL-based sessions -- the blatant visibility of the naked session ID -- is not an issue with internal Ajax calls; but then, if it's turned o...