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When to use setAttribute vs .attribute= in JavaScript?
... property attributes that returns a live NamedNodeMap of Attr objects. The indexes of this collection may be different among browsers. So, the order is not guaranteed. NamedNodeMap has methods for adding and removing attributes (getNamedItem and setNamedItem, respectively).
Notice that though XML i...
What are the differences between poll and select?
...s not even get a line on these graphs!):
http://lse.sourceforge.net/epoll/index.html
Update: Here is another Stack Overflow question, whose answer gives even more detail about the differences:
Caveats of select/poll vs. epoll reactors in Twisted
...
Understanding reference counting with Cocoa and Objective-C
...be released in the future, it doesn't increase the ref count: cocoadev.com/index.pl?AutoRelease
– LKM
Oct 13 '08 at 9:47
2
...
List directory tree structure in python?
... └── less_deep_file
├── about.rst
├── conf.py
└── index.rst
Notes
This uses recursion. It will raise a RecursionError on really deep folder trees
The tree is lazily evaluated. It should behave well on really wide folder trees. Immediate children of a given folder are n...
In Matlab, when is it optimal to use bsxfun?
...not always consistent with the 3 common methods: repmat, expension by ones indexing, and bsxfun. It gets rather more interesting when you increase the vector size even further. See plot:
bsxfun actually becomes slightly slower than the other two at some point, but what surprised me is if you incr...
Understanding the transclude option of directive definition?
...',
link: function(scope) {
scope.name = 'Jeff';
}
};
});
index.html
<div ng-controller="Controller">
<my-dialog>Check out the contents, {{name}}!</my-dialog>
</div>
my-dialog.html
<div class="alert" ng-transclude></div>
Compiled Output
&...
Differences between lodash and underscore [closed]
...score _.groupBy supports an iteratee that is passed the parameters (value, index, originalArray),
while in Lodash, the iteratee for _.groupBy is only passed a single parameter: (value).
Underscore _.indexOf with 3rd parameter undefined is Lodash _.indexOf
Underscore _.indexOf with 3rd paramete...
Why are iframes considered dangerous and a security risk?
...iframe is also vulnerable to Cross Frame Scripting:
https://www.owasp.org/index.php/Cross_Frame_Scripting
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What is a NullReferenceException, and how do I fix it?
...mbers = null;
int n = numbers[0]; // numbers is null. There is no array to index.
Array Elements
Person[] people = new Person[5];
people[0].Age = 20 // people[0] is null. The array was allocated but not
// initialized. There is no Person to set the Age for.
Jagged Arrays
long[][...
What is the difference between UTF-8 and Unicode?
...r! (confirm it yourself: http://www.fileformat.info/info/unicode/char/6c49/index.htm)
Summary
A chinese character: 汉
it's unicode value: U+6C49
convert 6C49 to binary: 01101100 01001001
embed 6C49 as UTF-8: 11100110 10110001 10001001
P.S. If you want to learn this topic in py...