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Backbone.js get and set nested object attribute
... Remember that objects are passed by reference and are mutable, unlike string and number primitives. Backbone's set and constructor methods attempt a shallow clone of any object reference passed as an argument. Any references to other objects in properties of that object aren't cloned. When you ...
NSUserDefaults - How to tell if a key exists
...l returning nil if the key doesn't exist.
func integerOptional(forKey: String) -> Int? {
return self.object(forKey: forKey) as? Int
}
/// Convenience method to wrap the built-in .double(forKey:) method in an optional returning nil if the key doesn't exist.
func doubleOptio...
Finding duplicate values in MySQL
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Superior to @levik's answer since it doesn't add an extra column. Makes it useful for use with IN()/NOT IN().
– wmassingham
Nov 24 '15 at 20:42
add a co...
Disable scrolling in webview?
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There's an extra parenthesis at the end of the return line there. Also this breaks HTML5 canvas and JavaScript touch events.
– Rohan Singh
Oct 9 '10 at 21:21
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What's the difference between a temp table and table variable in SQL Server?
... to encapsulate and reuse logic much easier (eg make a function to split a string into a table of values on some arbitrary delimiter).
Using Table Variables within user-defined functions enables those functions to be used more widely (see CREATE FUNCTION documentation for details). If you're writing...
Can I change the color of Font Awesome's icon color?
...ncolor">
css :
.blackiconcolor {color:black;}
you can also add extra class to the button icon...
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Detect iPad users using jQuery?
... user agent. The main offender here is Facebook.
Compare these user agent strings from iOS devices:
# iOS Safari
iPad: Mozilla/5.0 (iPad; CPU OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B176 Safari/7534.48.3
iPhone: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like M...
Cloning an Object in Node.js
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Possibility 1
Low-frills deep copy:
var obj2 = JSON.parse(JSON.stringify(obj1));
Possibility 2 (deprecated)
Attention: This solution is now marked as deprecated in the documentation of Node.js:
The util._extend() method was never intended to be used outside of internal Node.js modules....
Converting XML to JSON using Python?
...(full disclosure: I wrote it) can help you convert your XML to a dict+list+string structure, following this "standard". It is Expat-based, so it's very fast and doesn't need to load the whole XML tree in memory.
Once you have that data structure, you can serialize it to JSON:
import xmltodict, jso...
Spring .properties file: get element as an Array
...ava class like this:
@Value("${base.module.elementToSearch}")
private String[] elementToSearch;
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