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UIActivityViewController crashing on iOS 8 iPads
...d text with sharing
UIImage *image=[UIImage imageNamed:@"giraffe.png"];
NSString *str=@"Image form My app";
NSArray *postItems=@[str,image];
UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:postItems applicationActivities:nil];
//if iPhone
if (UI_USER...
Java “user.dir” property - what exactly does it mean?
...cally" because it can be changed, eg when you run an app with Runtime.exec(String[] cmdarray, String[] envp, File dir)
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Unsupported major.minor version 52.0 [duplicate]
...st
and replace the JVM version with:
<key>JVMVersion</key>
<string>1.8*</string>
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Android ListView not refreshing after notifyDataSetChanged
...data again.
The idea is something similar to this :
private ArrayList<String> titles;
private MyListAdapter adapter;
private ListView myListView;
@Override
public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main_activity);
...
使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...alizeAngle((float) Math.atan2(v2y, v2x),v2x,v2y);
Log.i("Rotate", String.format("Vector1 (%f,%f) Vector2 (%f,%f)", v1x,v1y,v2x,v2y));
float angle = (float)Math.toDegrees(angle1-angle2);
return angle;
}
private float normalizeAngle(float angle,float x, float y){
...
When is a CDATA section necessary within a script tag?
...e scripts to eg. initialise variables (escaping &/< to \x26/\x3C in string literals if you need).
– bobince
Sep 20 '09 at 9:10
23
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JavaScript equivalent of jQuery's extend method
...ault3",
kd2: "default4"
}};
var settings = JSON.parse(JSON.stringify(Object.assign({}, defaults, config)));
console.log(settings.keyDeep); // Object {kd1: "default3", kd2: "default4"}
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Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la
...rm Resource Identifier (URI)
A Uniform Resource Identifier (URI) is a string of characters which
identifies an Internet Resource.
The most common URI is the Uniform Resource Locator (URL) which
identifies an Internet domain address. Another, not so common type of
URI is the Universal...
How can I suppress column header output for a single SQL statement?
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Error: Type mismatch: expected type string, but got error with empty alias
– QkiZ
Jun 4 at 13:16
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.NET List Concat vs AddRange
...e done a test comparing Concat and AddRange with a List<KeyValuePair<string, string>> with 1000 elements, concatenated/added 100 times, and AddRange was extremely faster. The results were these: AddRange 13 ms, Concat().ToList() 16,000 ms, and Concat on an IEnumerable doing only the ToLi...