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What characters are allowed in DOM IDs? [duplicate]
...is name must be unique in a document.
ID and NAME tokens must begin with a
letter ([A-Za-z]) and may be followed
by any number of letters, digits
([0-9]), hyphens ("-"), underscores
("_"), colons (":"), and periods
(".").
Source: HTML 4 Specification, Chapter 6, ID Token
...
In Android EditText, how to force writing uppercase?
...user can enter information. But I need to force user to write in uppercase letters.
Do you know a function to do that?
23 A...
Connecting to TCP Socket from browser using javascript
...ebsockets for this.
Currently no popular browser has implemented any such raw sockets api for javascript that lets you create and access raw sockets, but a draft for the implementation of raw sockets api in JavaScript is under-way. Have a look at these links:
http://www.w3.org/TR/raw-sockets/
htt...
Creating a dynamic choice field
..._from_request(self.request)
for l in get_all_choices().filter(user=user_id):
admin = 'y' if l in self.core else 'n'
choice = (('%s_%s' % (l.name, admin)), ('%s' % l.name))
self.affiliated_choices.append(choice)
super(SupportForm, self).__init__(*ar...
In vim, how do I go back to where I was before a search?
...
I've always done by it setting a mark.
In command-mode, press m[letter]. For example, ma sets a mark at the current line using a as the mark identifier.
To get back to the mark press ' [letter]. For example, 'a takes you back to the line mark set in step 1. To get back to the column po...
How can I see the raw SQL queries Django is running?
...
See the docs FAQ: "How can I see the raw SQL queries Django is running?"
django.db.connection.queries contains a list of the SQL queries:
from django.db import connection
print(connection.queries)
Querysets also have a query attribute containing the query to...
Using smart pointers for class members
...eep the pointed object alive). The simplest kind of observing pointer is a raw pointer:
#include <memory>
class Device {
};
class Settings {
std::unique_ptr<Device> device;
public:
Settings(std::unique_ptr<Device> d) {
device = std::move(d);
}
Device* ge...
In Python, how do I create a string of n characters in one line of code?
...his with the existing Python library? For instance, I need a string of 10 letters:
6 Answers
...
Inline elements shifting when made bold on hover
...e="left">left</a></li>
<li><a href="#" title="letter-spacing">letter-spacing</a></li>
<li><a href="#" title="line-height">line-height</a></li>
</ul>
Check the working example on JSfiddle.
The idea is to reserve sp...
How to get body of a POST in php?
...streamsdocs:
php://input is a read-only stream that allows you to read raw data
from the request body. In the case of POST requests, it is preferable
to use php://input instead of $HTTP_RAW_POST_DATA as it does not
depend on special php.ini directives. Moreover, for those cases where
$HT...