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Can I use Objective-C blocks as properties?
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{
// need to release the block since the property was declared copy. (for heap
// allocated blocks this prevents a potential leak, for compiler-optimized
// stack blocks it is a no-op)
// Note that for ARC, this is unnecessary, as with all properties, the memory management is handled ...
How to calculate the SVG Path for an arc (of a circle)
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Expanding on @wdebeaum's great answer, here's a method for generating an arced path:
function polarToCartesian(centerX, centerY, radius, angleInDegrees) {
var angleInRadians = (angleInDegrees-90) * Math.PI / 180.0;
return {
x: centerX + (radius * Math.cos(angleInRad...
How to Loop through items returned by a function with ng-repeat?
...nction or you can use property? http://jsfiddle.net/awnqm/1/
Long answer
For simplicity I will describe only your case - ngRepeat for array of objects. Also, I'll omit some details.
AngularJS uses dirty checking for detecting changes. When application is started it runs $digest for $rootScope. $d...
Identity increment is jumping in SQL Server database
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You are encountering this behaviour due to a performance improvement since SQL Server 2012.
It now by default uses a cache size of 1,000 when allocating IDENTITY values for an int column and restarting the service can "lose" unused values (The cache size is 10,000 for big...
android edittext onchange listener
...done button (this depends on your implementation and on what fits the best for you).
Second, you can't get an EditText instance within the TextWatcher only if you have declared the EditText as an instance object. Even though you shouldn't edit the EditText within the TextWatcher because it is not s...
Is there a `pointer-events:hoverOnly` or similar in CSS?
... sorry, im using the ugly jquery anyway. but have an upvote for a CSS only solution!
– Jimmery
Mar 4 '14 at 15:15
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Using “Object.create” instead of “new”
...script 1.9.3 / ECMAScript 5 introduces Object.create , which Douglas Crockford amongst others has been advocating for a long time. How do I replace new in the code below with Object.create ?
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Difference between innerText, innerHTML, and childNodes[].value?
...ag as plain text, whereas innerHTML retrieves and sets the content in HTML format.
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Database development mistakes made by application developers [closed]
...indices
This is a relatively easy one but still it happens all the time. Foreign keys should have indexes on them. If you're using a field in a WHERE you should (probably) have an index on it. Such indexes should often cover multiple columns based on the queries you need to execute.
2. Not enfo...
Getting the parent div of element
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You're looking for parentNode, which Element inherits from Node:
parentDiv = pDoc.parentNode;
Handy References:
DOM2 Core specification - well-supported by all major browsers
DOM2 HTML specification - bindings between the DOM and HTML
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