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How do I sort an NSMutableArray with custom objects in it?
... can't find any answers on the web. I have an NSMutableArray of objects, and let's say they are 'Person' objects. I want to sort the NSMutableArray by Person.birthDate which is an NSDate .
...
How to create NSIndexPath for TableView
...r to use deleteRowAtIndexPath you must use an IndexPath with a section and row defined. How can I create an indexpath like this?
...
How to set dialog to show in full screen? [closed]
I have a GridView and i want to make an implémentation of a dialog, on which
the picture that i have selected should display in full screen.
...
游戏中的算法与计算思维 04：第一张、第二张与匹配状态 · App Inventor 2 中文网
... 0.5) * 高)
}
}
when 画布1.Touched(x, y, touchedAnySprite) {
if x >= 0 and y >= 0 and x < 画布1.Width and y < 画布1.Height {
var i = floor(y / 高) * 4 + floor(x / 宽) + 1
if i
游戏中的算法与计算思维 07：按难度保存最佳成绩 · App Inventor 2 中文网
... 0.5) * 高)
}
}
when 画布1.Touched(x, y, touchedAnySprite) {
if x >= 0 and y >= 0 and x < 画布1.Width and y < 画布1.Height {
var i = floor(y / 高) * 4 + floor(x / 宽) + 1
if i
How can I initialize an ArrayList with all zeroes in Java?
...mber of elements it can hold before it needs to resize its internal array (and has nothing to do with the initial number of elements in the list).
To initialize an list with 60 zeros you do:
List<Integer> list = new ArrayList<Integer>(Collections.nCopies(60, 0));
If you want to cre...
Resizing an Image without losing any quality [closed]
...d start with a Bitmap image that is, say, twice as large as it needs to be and then scale down. The resulting image should be pretty smooth.
– Pretzel
Nov 21 '08 at 20:54
2
...
Grabbing the href attribute of an A element
...de) {
echo $dom->saveHtml($node), PHP_EOL;
}
The above would find and output the "outerHTML" of all A elements in the $html string.
To get all the text values of the node, you do
echo $node->nodeValue;
To check if the href attribute exists you can do
echo $node->hasAttribute( '...
How do I check if a number is positive or negative in C#?
...f mathematics, computer science, also regular science which use a negative and positive zero. Chemists and physicists for example will sometimes use -0 for a number which was negative and rounded to zero. Definitions only have meaning within a context. When you treat the mathematical definitions you...
Get PHP class property by string
...r, if you have control over the class, implement the ArrayAccess interface and just do this
echo $obj['Name'];
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