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How should I call 3 functions in order to execute them one after the other?
...edia]. We could clean this up a bit by creating a function that accepts an array of functions and a timeout.
function executeAsynchronously(functions, timeout) {
for(var i = 0; i < functions.length; i++) {
setTimeout(functions[i], timeout);
}
}
This can be called like so:
executeAsyn...
What is a plain English explanation of “Big O” notation?
...timsort actually uses insertion sort (worst/average case O(n^2)) for small arrays due to the fact that it has a small overhead.
– Casey Kuball
May 21 '12 at 23:14
6
...
What purpose does a tag serve inside of a tag?
...nction load(tag, callback, label) {
var head = document.head;
if (Array.isArray(tag)) tag = { nodeName: "SCRIPT", src: tag[0] };
if (!tag) {
if (callback) callback();
return;
}
if (tag && (tag.src || tag.href)) {
var child;
if ("SCRIPT" === tag....
How to create a density plot in matplotlib?
...*8 + [4.5]*3 + [5.5]*1 + [6.5]*8
sns.set_style('whitegrid')
sns.kdeplot(np.array(data), bw=0.5)
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How to get item's position in a list?
...er syntax :o) You can easily get a command line parameter. Let there is an array of arguments: args = ['x', '-p1', 'v1', '-p2', 'v2']. Then the command args[[i for i, x in enumerate(args) if x == '-p1'][0] + 1] returns 'v1'
– Theodor Keinstein
Aug 15 '14 at 11:...
How to change a django QueryDict to Python Dict?
...
If you do not want the values as Arrays you can do the following:
# request = <QueryDict: {u'key': [u'123ABC']}>
dict(zip(request.GET.keys(), request.GET.values()))
{u'key': u"123ABC" }
# Only work for single item lists
# request = <QueryDict: {u'...
What are the applications of binary trees?
...L tree has kept itself as compact and balanced as possible.
In a sorted array, lookups would still take O(log(n)), just like a tree, but random insertion and removal would take O(n) instead of the tree's O(log(n)). Some STL containers use these performance characteristics to their advantage so in...
PHP Function Comments
...data type can be any of PHP's data types
* (int, float, bool, string, array, object, resource, mixed)
* and should contain the type primarily returned. For example, if
* a method returns an object when things work correctly but false
* when an error happens, say 'object' rather ...
How should I have explained the difference between an Interface and an Abstract class?
...mplement this interface backed by a "random access" data store (such as an array).
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...tware is to choose a cross-platform representation, such as unsigned short arrays holding UTF-16 data, and then to supply all the library support and simply live with the costs in language support, etc.
C++11 adds new kinds of wide characters as alternatives to wchar_t, char16_t and char32_t with a...