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Is it bad practice to have a constructor function return a Promise?
... edited Jul 8 '16 at 12:33
ya_dimon
1,86322 gold badges1919 silver badges2929 bronze badges
answered Jul 10 '14 at 21:55
...
UISegmentedControl below UINavigationbar in iOS 7
...WillAppear:(BOOL)animated
{
[super viewWillAppear:animated];
[self _moveHairline:YES];
}
- (void)viewWillDisappear:(BOOL)animated
{
[super viewWillDisappear:animated];
[self _moveHairline:NO];
}
- (void)_moveHairline:(BOOL)appearing
{
// move the hairline below the segmentbar
...
Is it possible to install iOS 6 SDK on Xcode 5?
... Older SDKs are found here.
I have copied the xcode.app directory as Xcode_4.6.3.app.
Now you can test and debug in both xcode versions. You have to run them from the corresponding folders or create shortcuts in your desktop. When building from command line give the parameter as iPhoneOS6.1 instea...
Objective-C: Property / instance variable in category
...ey;
@implementation MyClass
- (NSString *)test {
NSString *result = objc_getAssociatedObject(self, &MyClassResultKey);
if (result == nil) {
// do a lot of stuff
result = ...;
objc_setAssociatedObject(self, &MyClassResultKey, result, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
}
...
Why is string concatenation faster than array join?
...tenation:
// ECMA-262, section 15.5.4.6
function StringConcat() {
if (IS_NULL_OR_UNDEFINED(this) && !IS_UNDETECTABLE(this)) {
throw MakeTypeError("called_on_null_or_undefined", ["String.prototype.concat"]);
}
var len = %_ArgumentsLength();
var this_as_string = TO_STRING_INLINE(t...
Can't start Eclipse - Java was started but returned exit code=13
... answered Jan 3 '17 at 10:54
tk_tk_
11.9k55 gold badges6969 silver badges7878 bronze badges
...
Mimicking sets in JavaScript?
...arrayLikeObject) // adds anything that a subclass returns true on _isPseudoArray()
// s.remove(key) // removes a key from the Set
// s.remove(["a", "b"]); // removes all keys in the passed in array
// s.remove("a", "b", ["first", "second"]); // removes all keys...
Instance variables vs. class variables in Python
...test:
import timeit
setup='''
XGLOBAL= 5
class A:
xclass = 5
def __init__(self):
self.xinstance = 5
def f1(self):
xlocal = 5
x = self.xinstance
def f2(self):
xlocal = 5
x = A.xclass
def f3(self):
xlocal = 5
x = XGLOBAL
...
Sending files using POST with HttpURLConnection
...nn.connect();
if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
return readStream(conn.getInputStream());
}
} catch (Exception e) {
Log.e(TAG, "multipart post error " + e + "(" + urlString + ")");
}
return null;
}
private static Str...
How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
...
SELECT n.nspname as "Schema", p.proname as "Name", pg_catalog.pg_get_function_result(p.oid) as "Result data type", pg_catalog.pg_get_function_arguments(p.oid) as "Argument data types", CASE WHEN p.proisagg THEN 'agg' WHEN p.proiswindow THEN 'window' WHEN p.prorettype =...