大约有 2,326 项符合查询结果（耗时：0.0143秒） [XML]
Create code first, many to many, with additional fields in association table
...ll comments of members with LastName = "Smith" for example you can write a query like this:
var commentsOfMembers = context.Members
.Where(m => m.LastName == "Smith")
.SelectMany(m => m.MemberComments.Select(mc => mc.Comment))
.ToList();
... or ...
var commentsOfMembers = co...
Explain how finding cycle start node in cycle linked list work?
... times the tortoise and hare went around the cycle. Subtracting
the first equation from the second gives i = (b-a)*lambda, so i is an integer multiple
of lambda. Therefore, Xi + mu = Xmu. Xi represents the meeting point of the tortoise and hare. If you move the tortoise back to the starting node ...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
... this answer is sort of better in that it directly answers the question, instead of just providing a link to some 3rd site which may die one day
– Petr
Mar 6 '14 at 8:32
...
Why can't decimal numbers be represented exactly in binary?
There have been several questions posted to SO about floating-point representation. For example, the decimal number 0.1 doesn't have an exact binary representation, so it's dangerous to use the == operator to compare it to another floating-point number. I understand the principles behind floating-po...
How do I change the cursor between Normal and Insert modes in Vim?
...ash with ConEmu on Windows; and more (see comments):
let &t_SI = "\e[6 q"
let &t_EI = "\e[2 q"
" Optionally reset the cursor on start:
augroup myCmds
au!
autocmd VimEnter * silent !echo -ne "\e[2 q"
augroup END
Other options (replace the number after \e[):
Ps = 0 -> blinking block.
Ps ...
How to test if string exists in file with Bash?
...
grep -Fxq "$FILENAME" my_list.txt
The exit status is 0 (true) if the name was found, 1 (false) if not, so:
if grep -Fxq "$FILENAME" my_list.txt
then
# code if found
else
# code if not found
fi
Explanation
Here are the relev...
How do I exit the Vim editor?
...e of the following commands. To execute a command, press the Enter key.
:q to quit (short for :quit)
:q! to quit without saving (short for :quit!)
:wq to write and quit
:wq! to write and quit even if file has only read permission (if file does not have write permission: force write)
:x to write ...
How do I show a marker in Maps launched by geo URI Intent?
...t = new Intent(Intent.ACTION_VIEW, Uri.parse("geo:<lat>,<long>?q=<lat>,<long>(Label+Name)"));
startActivity(intent);
You can omit (Label+Name) if you don't want a label, and it will choose one randomly based on the nearest street or other thing it thinks relevant.
...
What should a Multipart HTTP request with multiple files look like? [duplicate]
I'm working on an iPhone app that makes a multipart HTTP request with multiple image files.
2 Answers
...
What are queues in jQuery?
I found the jQuery.com document on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
...