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Differences between socket.io and websockets
... browser:
WebSocket Client
WebSocket client example using vanilla JavaScript:
var l = document.getElementById('l');
var log = function (m) {
var i = document.createElement('li');
i.innerText = new Date().toISOString()+' '+m;
l.appendChild(i);
}
log('opening websocket connection');
var...
AsyncTask threads never die
...t will have from 5 to 128 threads. If there are more than 5 threads, those extra threads will stick around for at most 10 seconds before being removed. (note: these figures are for the presently-visible open source code and vary by Android release).
Leave the AsyncTask threads alone, please.
...
How do you crash a JVM?
...Hotspot VM quiet nicely:
public class Crash {
public static void main(String[] args) {
Object[] o = null;
while (true) {
o = new Object[] {o};
}
}
}
This leads to a stack overflow in the GC so you will get no StackOverflowError but a real crash includi...
How to adjust layout when soft keyboard appears
...
+1 That simple? Any extra conditions? What was the image you posted about?
– Roy Lee
May 7 '13 at 4:17
...
What are the differences between a multidimensional array and an array of arrays in C#?
...using System;
using System.Diagnostics;
static class ArrayPref
{
const string Format = "{0,7:0.000} ";
static void Main()
{
Jagged();
Multi();
Single();
}
static void Jagged()
{
const int dim = 100;
for(var passes = 0; passes < 10; ...
ASP.Net: Literal vs Label
...s i will start with literal first as its lightweight and does not emit out extra SPAN tags.
See this video which demonstrates about those extra tags.
But we can not apply CSS on a literal , we can not add attributes like Label1.Attributes.Add to a literal. Any container oriented things can not be...
Can we define implicit conversions of enums in c#?
...e, determined from reflection
/// </summary>
private string _name;
/// <summary>
/// The DescriptionAttribute, if any, linked to the declaring field
/// </summary>
private DescriptionAttribute _descriptionAttribute;
/// <...
Convert an image to grayscale in HTML/CSS
...: grayscale(100%);
filter: gray; /* IE6+ */
Take care to replace "utf-8" string by your file encoding.
This method should be faster than the other because the browser will not need to do a second HTTP request.
share
...
Storing Python dictionaries
..., the foundational unit in json is the "Object", which is defined as { <string> : <value>}. Look familiar? The json module in the standard library supports every Python native type and can easily be extended with a minimal knowledge of json to support user-defined classes. The JSON homep...
Python import csv to list
... This does not work in Python 3.x : "csv.Error: iterator should return strings, not bytes (did you open the file in text mode?)" See below for the answer that works in Python 3.x
– Gilbert
May 30 '16 at 18:12
...