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How to generate unique ID with node.js
...r issue with a callback as follows:
function generate(count, k) {
var _sym = 'abcdefghijklmnopqrstuvwxyz1234567890',
var str = '';
for(var i = 0; i < count; i++) {
str += _sym[parseInt(Math.random() * (_sym.length))];
}
base.getID(str, function(err, res) {
if...
Finding median of list in Python
...mpleteness, @musiphil: only in python 2, and only if you haven't done from __future__ import division.
– Chris L. Barnes
Nov 6 '17 at 19:27
add a comment
|...
Getting the max value of an enum
...m MyEnum
{
ValueOne,
ValueTwo
}
VB:
Public Function GetMaxValue _
(Of TEnum As {IComparable, IConvertible, IFormattable})() As TEnum
Dim type = GetType(TEnum)
If Not type.IsSubclassOf(GetType([Enum])) Then _
Throw New InvalidCastException _
("Cannot cast ...
Eliminate extra separators below UITableView
..."bottom bounce" of the table is handled, as you prefer. (Height zero is usually fine).
To do it programmatically:
Swift
override func viewDidLoad() {
super.viewDidLoad()
self.tableView.tableFooterView = UIView()
}
Objective-C
iOS 6.1+
- (void)viewDidLoad
{
[super viewDidLoad...
Access object child properties using a dot notation string [duplicate]
...(r, "b.b2"));
//-> 99
Although there are answers that extend this to "allow" array index access, that's not really necessary as you can just specify numerical indexes using dot notation with this method:
getDescendantProp({ a: [ 1, 2, 3 ] }, 'a.2');
//-> 3
...
Why the switch statement cannot be applied on strings?
...
The reason why has to do with the type system. C/C++ doesn't really support strings as a type. It does support the idea of a constant char array but it doesn't really fully understand the notion of a string.
In order to generate the code for a switch statement the compiler must under...
JavaScript naming conventions [closed]
...
I see Crockford's guildelines mentions "Do not use _ underbar as the first or last character of a name. It is sometimes intended to indicate privacy". I personally use underbar to indicate private members. Is this bad practice? Is there an alternative?
–...
Debug code-first Entity Framework migration codes
....
If you, like me, some times have problems in the Seed() method what I usually do is simply create a public method that calls the Protect Seed().
public void SeedDebug(AppDbContext context)
{
Seed(context);
}
then in my HomeController I call this method in Debug mode.
public class HomeContr...
How to call a Python function from Node.js
... have a machine learning algorithm to use in Python. Is there a way I can call Python functions from my Node.js application to make use of the power of machine learning libraries?
...
How to split a large text file into smaller files with equal number of lines?
...a large (by number of lines) plain text file that I'd like to split into smaller files, also by number of lines. So if my file has around 2M lines, I'd like to split it up into 10 files that contain 200k lines, or 100 files that contain 20k lines (plus one file with the remainder; being evenly divi...