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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...’s initial data.
With Django 1.8 and earlier, to disable entry on the widget and prevent malicious POST hacks you must scrub the input in addition to setting the readonly attribute on the form field:
class ItemForm(ModelForm):
def __init__(self, *args, **kwargs):
super(ItemForm, sel...
How to read a single character from the user?
... except ImportError:
self.impl = _GetchUnix()
def __call__(self): return self.impl()
class _GetchUnix:
def __init__(self):
import tty, sys
def __call__(self):
import sys, tty, termios
fd = sys.stdin.fileno()
old_settings = termios.tcg...
SPAN vs DIV (inline-block)
...using the display CSS property but there is one issue: in terms of HTML validation, you can't put block elements inside inline elements so:
<p>...<div>foo</div>...</p>
is not strictly valid even if you change the <div> to inline or inline-block.
So, if your element ...
How can I add an element after another element?
...
try using the after() method:
$('#bla').after('<div id="space"></div>');
Documentation
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How do I view the full content of a text or varchar(MAX) column in SQL Server 2008 Management Studio
...uld actually be a varchar(MAX) column, but whoever set this database up did not do it that way.)
10 Answers
...
When should I write the keyword 'inline' for a function/method?
...ation units. Linker needs to make sure it doesn't accidentally use a statically defined variable/function from another translation unit.
extern - use this variable/function name in this translation unit but don't complain if it isn't defined. The linker will sort it out and make sure all the code ...
Is there common street addresses database design for all addresses of the world? [closed]
...t to query and dynamic to store all street addresses of the world which is identifying just by one id Thanks a lot
12 Ans...
What is the difference between the Eclipse Package Explorer and the Eclipse Project Explorer?
It seems to me these two views are virtually identical, especially since Galileo. Is this true, or am I missing out on some features of one or the other?
...
Decimal precision and scale in EF Code First
...here is no need to iterate through properties as shown but the can just be called from
public class EFDbContext : DbContext
{
protected override void OnModelCreating(System.Data.Entity.DbModelBuilder modelBuilder)
{
modelBuilder.Entity<Class>().Property(object => object.prope...
MongoDB not equal to
...hor : 'you', post: "how to query"})
db.test.find({'post': {$ne : ""}})
{ "_id" : ObjectId("4f68b1a7768972d396fe2268"), "author" : "you", "post" : "how to query" }
And now $not, which takes in predicate ($ne) and negates it ($not):
db.test.find({'post': {$not: {$ne : ""}}})
{ "_id" : ObjectId("4f6...