大约有 16,000 项符合查询结果（耗时：0.0248秒） [XML]
Change string color with NSAttributedString?
...on should have been "How to set the label's color based on its value". I pointed out that the solution does not require NSAttributedString and showed a much simpler answer. And the OP agreed by accepting my much simpler answer. If the OP really wanted NSAttributedString, they wouldn't have accepted ...
Strings as Primary Keys in SQL Database [closed]
...theories behind how they work. Is it any slower from a performance standpoint (inserting/updating/querying) to use Strings for Primary Keys than integers?
...
Android ListView not refreshing after notifyDataSetChanged
...
Wouldn't it be cleaner to move the whole dbHelper thing into the Adapter? So you would only call adapter.swapItems(); and the adapter would do the dbHelper.getItems() stuff. But anyway thanks for the answer :)
– Ansgar
Feb 16 '14 at 20:32
...
Worth switching to zsh for casual use? [closed]
...s not clear that zmv is just renaming files; I thought you might have been converting the format. I don't know what "hashes" support even means. This post seems like it's only "useful" to people that already know zsh.
– mpen
Mar 26 '14 at 17:52
...
How do I get the parent directory in Python?
...directory so you can put it in a JSON string. It would be kind of silly to convert to a Pathlib object and back again for that.
If none of the above apply, use Pathlib.
What is Pathlib?
If you don't know what Pathlib is, the Pathlib module is a terrific module that makes working with files e...
Define all functions in one .R file, call them from another .R file. How, if possible?
... have to re-source it. If your functions are changing a lot since you are converting the code, put them all in one file and just source the whole thing every time. You could also have a separate smaller file that 1. sources the larger collection of functions and 2. Runs your test cases. In R ther...
How to put multiple statements in one line?
...ence of simple statements, separated by semi-colon:
for i in range(10): print "foo"; print "bar"
But as soon as you add a construct that introduces an indented block (like if), you need the line break. Also,
for i in range(10): print "i equals 9" if i==9 else None
is legal and might approximat...
AngularJS - wait for multiple resource queries to complete
... Your answer is very helpful and I believe it is the most sensible way to convert resources to promises in the current angular. It might be helpful to add that in the documentation of $q, which you linked to, it guarantees that the result array is in the same order as the promise array.
...
EF Code First “Invalid column name 'Discriminator'” but no inheritance
...ase class and one or more subclasses, where at least one of the subclasses introduce extra properties:
class Folder {
[key]
public string Id { get; set; }
public string Name { get; set; }
}
// Adds no props, but comes from a different view in the db to Folder:
class SomeKindOfFolder: Folder...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ires the App Inventor extensions capability, which is not yet incorporated into the App Inventor release. But you can try some ofary AI2 server.
You can implement the RotationDetector.aix extension as described in part 2 below using the extension test send (2) may need to be rebuilt as the system ...