大约有 43,000 项符合查询结果（耗时：0.0561秒） [XML]
Detecting when user has dismissed the soft keyboard
I have an EditText widget in my view. When the user selects the EditText widget, I display some instructions and the soft keyboard appears.
...
How do I get the first element from an IEnumerable in .net?
...IEnumberable<string> aa;
string a = (from t in aa where t.Equals("") select t.Value).ToArray()[0];
share
|
improve this answer
|
follow
|
...
Random color generator
...rs. To ensure the colors are distinct I avoid using a random generator and select "evenly spaced" colors from the rainbow.
This is perfect for creating pop-out markers in Google Maps that have optimal "uniqueness" (that is, no two markers will have similar colors).
function rainbow(numOfSteps, ste...
How to create an AVD for Android 4.0
...t;Android Application or Android Tests -> Emulator (radio button) -> Select your newly created AVD
– Ted Spradley
Apr 13 '14 at 18:43
...
Storing images in SQL Server?
...n stay lean and mean and very efficient, assuming you don't always need to select the employee photo, too, as part of your queries.
For filegroups, check out Files and Filegroup Architecture for an intro. Basically, you would either create your database with a separate filegroup for large data stru...
What is this 'Waiting for Background operation' in Visual Studio 2012?
...blem I struggled with for over two weeks trying to figure out. Note that I selected "Web Development (Code Only)" in the last part of the Reset all Settings wizard. PLEASE UPVOTE SO THIS ANSWER SHOWS UP BETTER ON SEARCHES.
– REMESQ
Nov 16 '12 at 0:18
...
How to trigger event in JavaScript?
...
Better than the selected answer
– WitnessTruth
Apr 18 '19 at 18:13
add a comment
|
...
REST APIs: custom HTTP headers vs URL parameters
... true metadata about the request for custom headers.
HTTP has a very wide selection of headers that cover most everything you'll need. Where I've seen custom headers come up is in a system to system request operating on behalf of a user. The proxy system will validate the user and add "X-User: us...
How to randomize (or permute) a dataframe rowwise and columnwise?
...ple(1:n()))
or
df2 <- sample_frac(df1, 1L)
column-wise:
df2 <- select(df1, one_of(sample(names(df1))))
share
|
improve this answer
|
follow
|
...
Composer killed while updating
...out, don't forget to add sudo if you don't work as root.
btw, feel free to select another location/filename/size for the file.
/var is probably not the best place, but I don't know which place would be, and rarely care since tiny servers are mostly used for testing purposes.
...