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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
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Accessing nested JavaScript objects and arays by string path
...ect.byString = function(o, s) {
s = s.replace(/\[(\w+)\]/g, '.$1'); // convert indexes to properties
s = s.replace(/^\./, ''); // strip a leading dot
var a = s.split('.');
for (var i = 0, n = a.length; i < n; ++i) {
var k = a[i];
if (k in o) {
...
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...
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 ...
Tab Vs Space preferences in Vim
...set shiftwidth=4 "tabs are 4 spaces wide (default = 8)
set expandtab "Convert tabs to spaces
This is how my .vimrc is setup.
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Checking if a key exists in a JavaScript object?
... if a property is present in a javascript object:
!!obj.theProperty
Will convert value to bool. returns true for all but the false value
'theProperty' in obj
Will return true if the property exists, no matter its value (even empty)
obj.hasOwnProperty('theProperty')
Does not check the prototype cha...
What is the use of hashCode in Java?
... distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the Java programming language.)
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