大约有 47,900 项符合查询结果（耗时：0.0953秒） [XML]
Select distinct using linq [duplicate]
... walks the entire enumerable forcing all of the work to be done up front. (And may take a little while if your enumerable is infinitely long.)
The flipside to this advice is that each time you enumerate such an IEnumerable the work to evaluate it has to be done afresh. So you need to decide for eac...
Java JDBC - How to connect to Oracle using Service Name instead of SID
...ia JPA) that was connecting to a development database using hostname, port and Oracle SID, like this:
8 Answers
...
Overflow Scroll css is not working in the div
...ay overflow content of a block-level element, when it overflows at the top and bottom edges.
share
|
improve this answer
|
follow
|
...
What are the special dollar sign shell variables?
...shell (not subshell).
$_ most recent parameter (or the abs path of the command to start the current shell immediately after startup).
$IFS is the (input) field separator.
$? is the most recent foreground pipeline exit status.
$! is the PID of the most recent background command.
$0 is the name of the...
Get host domain from URL?
...ve symbol 'Request'. I do not know what is wrong. I use Visual Studio 2010 and Net Framework 4.0. Can anybody explain the symptom? Thanks
– Michal
Jan 26 '16 at 12:21
1
...
Remove Elements from a HashSet while Iterating [duplicate]
...being done, you will get a ConcurrentModificationException. On the other hand, removal of entries via Iterator.remove() while iteration is supported in this case.
The new for loop is nice, but unfortunately it does not work in this case, because you can't use the Iterator reference.
If you need t...
How to get rid of the 'undeclared selector' warning
...rty if the NSObject instance it's called on supports it. This is the code, and the code works as intended:
12 Answers
...
Check if a string contains one of 10 characters
I'm using C# and I want to check if a string contains one of ten characters, *, &, # etc etc.
6 Answers
...
jQuery: Select data attributes that aren't empty?
...will work in older versions of jQuery but is not future-proof. Since @gmo and @siva's answers both seem to be working with later versions I defer to (and encourage you to upvote) their answers....and of course hope you have a fantastic day.
...
Shadow Effect for a Text in Android? [duplicate]
...
Perhaps you'd consider using android:shadowColor, android:shadowDx, android:shadowDy, android:shadowRadius; alternatively setShadowLayer() ?
share
|
im...