大约有 40,000 项符合查询结果（耗时：0.0696秒） [XML]
Why is spawning threads in Java EE container discouraged?
...
It is discouraged because all resources within the environment are meant to be managed, and potentially monitored, by the server. Also, much of the context in which a thread is being used is typically attached to the thread of execution itself. If y...
How to define a function in ghci across multiple lines?
...
For guards (like your example), you can just put them all on one line and it works (guards do not care about spacing)
let abs n | n >= 0 = n | otherwise = -n
If you wanted to write your function with multiple definitions that pattern match on the arguments, like this:
fac...
Is it possible to refresh a single UITableViewCell in a UITableView?
...
The OP isn't animating anything, so there's no need to call the begin/endupdates
– kubi
Jul 15 '13 at 17:38
2
...
How to select unique records by SQL
... answered Oct 29 '09 at 5:09
mjalldaymjallday
8,52877 gold badges4747 silver badges6868 bronze badges
...
jQuery’s .bind() vs. .on()
...
Internally, .bind maps directly to .on in the current version of jQuery. (The same goes for .live.) So there is a tiny but practically insignificant performance hit if you use .bind instead.
However, .bind may be removed from futu...
How do you search for files containing DOS line endings (CRLF) with grep on Linux?
...acters. By default it does this it if it decides it's a text file.
-r read all files under each directory recursively.
share
|
improve this answer
|
follow
|
...
How do I make a LinearLayout scrollable?
...it from the adapter functionality of the ListView, then you can simply add all the elements of your list in a LinearLayout wrapper to make it feel all streamlined in the scrollable box along with other elements.
– Atharva
Sep 19 '14 at 10:37
...
Append a NumPy array to a NumPy array
...
Well, the error message says it all: NumPy arrays do not have an append() method. There's a free function numpy.append() however:
numpy.append(M, a)
This will create a new array instead of mutating M in place. Note that using numpy.append() involves c...
How to upgrade Eclipse for Java EE Developers?
Is there any non-painful way to upgrade an Eclipse installation? I have tried browsing the eclipse site but I cannot find an useful description.
...
Why does ContentResolver.requestSync not trigger a sync?
...n I trigger it from the Dev Tools Sync Tester application, however when I call ContentResolver.requestSync(account, authority, bundle) from my ContentProvider, my sync is never triggered.
...