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How to tell if rails is in production?
...th an inline ENV var. That said, if this was done then a script / alias / etc should live somewhere on-disk, which will include the RAILS_ENV var. One can search the disk for it, such as with ack
– New Alexandria
Jan 9 '13 at 3:29
...
Default filter in Django admin
...ef lookups(self, request, model_admin): # Available Values / Status Codes etc..
return (
(8, _('All')),
(0, _('Incomplete')),
(5, _('Pending')),
(6, _('Selected')),
(7, _('Accepted')),
)
def choices(self, cl): # Overw...
Why doesn't JavaScript support multithreading?
...All Chrome does is separate multiple components (different tabs, plug-ins, etcetera) into separate processes, but I can’t imagine a single page having more than one JavaScript thread.
You can however use, as was suggested, setTimeout to allow some sort of scheduling and “fake” concurrency. Th...
Difference between string and char[] types in C++
...to deal with advanced concepts like having COW strings, and non-COW for MT etc, you will need std::string.
If you are worried about copies, as long as you use references, and const references wherever you can, you will not have any overhead due to copies, and it's the same thing as you would be doi...
Maven dependency for Servlet 3.0 API?
...et container (tomcat, jetty) vs a JEE compliant container (TomEE, wildfly, etc)
– YoYo
Nov 7 '14 at 7:01
1
...
Inline elements shifting when made bold on hover
...fter, in other words — reset all padding/marging/line-heights/font-sizes etc.
– 350D
Mar 25 '15 at 20:10
...
How can I update the current line in a C# Windows Console App?
...
You can use Console.SetCursorPosition to set the position of the cursor and then write at the current position.
Here is an example showing a simple "spinner":
static void Main(string[] args)
{
var spin = new ConsoleSpinner();
Console.Wr...
How to push new branch without history
...ng the working tree, by copying them from elsewhere, extracting a tarball, etc.
Here's a link to the documentation for checkout. You can also run git help checkout as well.
Once you've created your branch without history, then when you push it to the server, it won't have that history either. FWI...
capturing self strongly in this block is likely to lead to a retain cycle
..." or "save". Objective C treats method names starting with "new", "alloc", etc as returning a retained object but doesn't mention (that I can find) anything about "add" or "save". However, if I use a method name in this way:
[self addItemWithCompletionBlock:^(NSError *error) {
[self don...
Escaping keyword-like column names in Postgres
...(registered by Postgres) as the name of Table, Schema, Function or Trigger etc, you must have to use either double quotes, or you can specify schema name with dot concatenation.
Let's Suppose, order is the keyword registered by Postgres. And in some scenarios, you must have to use this keyword as a...