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Why isn't ProjectName-Prefix.pch created automatically in Xcode 6?
...e. Stop writing macros unless there is no other way (such as when you need __FILE__). If you do need macros, put them in a header and include it.
The prefix header was necessary for things that are huge and used by nearly everything in the whole system (like Foundation.h). If you have something tha...
What is the difference between Normalize.css and Reset CSS?
...
Normalize.css is mainly a set of styles, based on what its author thought would look good, and make it look consistent across browsers. Reset basically strips styling from elements so you have more control over the styling of everything.
I use both.
Some styles fr...
Where is array's length property defined?
...s have a fixed size - every instance is the same size, whereas arrays vary based on their length. That's just one example. If you think you could achieve the same results without using anything special, what do you think the fields of an array class would look like? How would you represent int[] whe...
NoSQL - MongoDB vs CouchDB [closed]
...arison CouchDB vs. MongoDB
Update: I found great comparison of NoSQL databases.
MongoDB (3.2)
Written in: C++
Main point: JSON document store
License: AGPL (Drivers: Apache)
Protocol: Custom, binary (BSON)
Master/slave replication (auto failover with replica sets)
Sharding built-in
Queries are ...
Set the value of a variable with the result of a command in a Windows batch file
...%a in ('command1 ^| command2') do set VAR=%%a.
– Bill_Stewart
Mar 4 '16 at 19:23
@Bill_Stewart you just saved my day, ...
What is a higher kinded type in Scala?
...e used classes were defined as:
class String
class List[T]
class Functor[F[_]]
To avoid the indirection through defining classes, you need to somehow express anonymous type functions, which are not expressible directly in Scala, but you can use structural types without too much syntactic overhead (...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...are not accepted into the trunk by the project stakeholders can become the bases for forks -- e.g., totally separate projects that share a common origin with other source code.
The branch and tag subtrees are distinguished from the trunk in the following ways:
Subversion allows sysadmins to create...
Django DB Settings 'Improperly Configured' Error
...--settings=mysite.settings (or whatever settings module you use)
Set DJANGO_SETTINGS_MODULE environment variable in your OS to mysite.settings
(This is removed in Django 1.6) Use setup_environ in the python interpreter:
from django.core.management import setup_environ
from mysite import settings
s...
How can I listen for a click-and-hold in jQuery?
...tartTrigger(e) {
var $elem = $(this);
$elem.data('mouseheld_timeout', setTimeout(function() {
$elem.trigger('mouseheld');
}, e.data));
}
function stopTrigger() {
var $elem = $(this);
clearTimeout($elem.data('mouseheld_timeout'));
}
...
Bind TextBox on Enter-key press
...ublic class SubmitTextBox : TextBox
{
public SubmitTextBox()
: base()
{
PreviewKeyDown += new KeyEventHandler(SubmitTextBox_PreviewKeyDown);
}
void SubmitTextBox_PreviewKeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Enter)
{
...