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Get type of all variables
In R, I'd like to retrieve a list of global variables at the end of my script and iterate over them. Here is my code
6 Answ...
How to Implement DOM Data Binding in JavaScript
...ata property. And the same will happen when you call .change() in your JavaScript program.
Using the code
Now you'd just create the new object, and let it perform updates. Updates in JS code will appear on the input, and change events on the input will be visible to the JS code.
var obj = new MyC...
What is the difference between server side cookie and client side cookie?
...e information needed to fullfill the request;
they can be accessed via javascript on the browser;
not being on the server they will survive server restarts;
RESTful: requests don't depend on server state
Cookie Cons:
storage is limited to 80 KB (20 cookies, 4 KB each)
secure cookies are not eas...
What's the difference between a temp table and table variable in SQL Server?
...36 less bytes than for #temp tables (118 fewer nvarchar characters).
Full script to reproduce (best run on an instance started in single user mode and using sqlcmd mode)
:setvar tablename "@T"
:setvar tablescript "DECLARE @T TABLE"
/*
--Uncomment this section to test a #temp table
:setvar table...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...ange, they will change in the copied list too and vice versa.
(Here's the script if anyone's interested or wants to raise any issues:)
from copy import deepcopy
class old_class:
def __init__(self):
self.blah = 'blah'
class new_class(object):
def __init__(self):
self.blah ...
Parsing JSON using Json.net
...
I don't know about JSON.NET, but it works fine with JavaScriptSerializer from System.Web.Extensions.dll (.NET 3.5 SP1):
using System.Collections.Generic;
using System.Web.Script.Serialization;
public class NameTypePair
{
public string OBJECT_NAME { get; set; }
public stri...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...od does. When wrapped with invisible() or when called within a function or script, the print method isn't called.
All this applies inside functions too; i.e., := and set() do not copy on write, even within functions. If you need to modify a local copy, then call x=copy(x) at the start of the funct...
How do you validate a URL with a regular expression in Python?
...
Was this regular expression generated by script or was it actually written by hand?
– Aufwind
Jun 13 '11 at 3:52
21
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Resumable downloads when using PHP to send the file?
We are using a PHP scripting for tunnelling file downloads, since we don't want to expose the absolute path of downloadable file:
...
How to upload files to server using JSP/Servlet?
..."post" enctype="multipart/form-data">
<input type="text" name="description" />
<input type="file" name="file" />
<input type="submit" />
</form>
After submitting such a form, the binary multipart form data is available in the request body in a different forma...