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How do I implement basic “Long Polling”?
...ew message arrives).
Here is a really basic example, which sends a simple string after 2-10 seconds. 1 in 3 chance of returning an error 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found...
Best approach to converting Boolean object to string in java
I am trying to convert boolean to string type...
7 Answers
7
...
How to pass multiple parameters in a querystring
...
Query_string
(Following is the text of the linked section of the Wikipedia entry.)
Structure
A typical URL containing a query string is as follows:
http://server/path/program?query_string
When a server receives a request for such a...
How to get MD5 sum of a string using python?
In the Flickr API docs , you need to find the MD5 sum of a string to generate the [api_sig] value.
6 Answers
...
What is the meaning of “$” sign in JavaScript
...t can be almost anything but is usually "JQuery".
However, in ES6 it is a string interpolation operator in a template "literal" eg.
var s = "new" ; // you can put whatever you think appropriate here.
var s2 = `There are so many ${s} ideas these days !!` ; //back-ticks not quotes
console.log(s2) ;...
Convert String to equivalent Enum value
Is it possible for me to convert a String to an equivalent value in an Enumeration , using Java.
4 Answers
...
How can I split and parse a string in Python?
I am trying to split this string in python: 2.7.0_bf4fda703454
3 Answers
3
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Handle ModelState Validation in ASP.NET Web API
...BaseApiController or something like that
var errors = new List<string>();
foreach (var state in ModelState)
{
foreach (var error in state.Value.Errors)
{
errors.Add(error.ErrorMessage);
}
}
return Requ...
NSString: isEqual vs. isEqualToString
What is the difference between isEqual: and isEqualToString: ?
5 Answers
5
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Compiled vs. Interpreted Languages
...guages
Note that modern techniques such as bytecode compilation add some extra complexity - what happens here is that the compiler targets a "virtual machine" which is not the same as the underlying hardware. These virtual machine instructions can then be compiled again at a later stage to get nat...