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Why is using the rails default_scope often recommend against?
...explict when wanting to show unpublished (private) posts. So far so good.
2.1.1 :001 > Post.all
Post Load (0.2ms) SELECT "posts".* FROM "posts" WHERE "posts"."published" = 't'
Well this is pretty much what we expect. Now lets try:
2.1.1 :004 > Post.new
=> #<Post id: nil, title:...
Simple (I think) Horizontal Line in WPF?
...
528
How about add this to your xaml:
<Separator/>
...
When to use an object instance variable versus passing an argument to the method
...
My answer would be adding this answer to H-Man2 answer (lifetime). It should be a member attribute if and only if it is a persistent state of the object. That is, the value makes sense by itself outside of the scope of the current method stack.
– Da...
Backwards migration with Django South
... with files in it named like
0000_initial.py
0001_added_some_fields.py
0002_added_some_more_fields.py
0003_deleted_some_stuff.py
Normally, when you run ./manage.py migrate your_app, South runs all new migrations, in order. (It looks at the database tables to decide which ones are 'new').
However...
Are tuples more efficient than lists in Python?
... is much faster than assigning a list.
>>> def a():
... x=[1,2,3,4,5]
... y=x[2]
...
>>> def b():
... x=(1,2,3,4,5)
... y=x[2]
...
>>> import dis
>>> dis.dis(a)
2 0 LOAD_CONST 1 (1)
3 LOAD_CONST ...
How to get jQuery dropdown value onchange event
...
245
Try like this
$("#drop").change(function () {
var end = this.value;
var firs...
What is causing ERROR: there is no unique constraint matching given keys for referenced table?
...
203
It's because the name column on the bar table does not have the UNIQUE constraint.
So imagine...
HTML/CSS: Make a div “invisible” to clicks?
...ing CSS pointer-events. This property is supported in Firefox 3.6+, Chrome 2+, IE 11+, and Safari 4+. Unfortunately, I don't have knowledge of a cross-browser workaround.
#overlay {
pointer-events: none;
}
share
...
Regular expression for matching latitude/longitude coordinates?
...
Miha_x64
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answered Aug 19 '10 at 3:38
Eric CEric C
...
Nginx not picking up site in sites-enabled?
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200
I had the same problem. It was because I had accidentally used a relative path with the symbol...