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Express: How to pass app-instance to routes from a different file?
...dent on its loading file:
app.js
var app = module.exports = express(); //now app.js can be required to bring app into any file
//some app/middleware setup, etc, including
app.use(app.router);
require('./routes'); //module.exports must be defined before this line
routes/index.js
var app = re...
How do Python's any and all functions work?
...se, it returns True in this case.
Note 2:
Another important thing to know about any and all is, it will short-circuit the execution, the moment they know the result. The advantage is, entire iterable need not be consumed. For example,
>>> multiples_of_6 = (not (i % 6) for i in range(1...
How do I get the number of elements in a list?
...
items.append("apple")
items.append("orange")
items.append("banana")
And now:
len(items)
returns 3.
Explanation
Everything in Python is an object, including lists. All objects have a header of some sort in the C implementation.
Lists and other similar builtin objects with a "size" in Python...
Reverting a single file to a previous version in git [duplicate]
...work tree, along with some metadata (e.g. commit message). So, we have to know which commit has the version of the file we want. Once we know that, we'll need to make a new commit reverting the file to that state. (We can't just muck around with history, because we've already pushed this content, an...
How can I get a Dialog style activity window to fill the screen?
...
Thanks, saved my time , nowhere I would have figured this out ! but any idea why we have to explicitly specify in code , why fill_parent does not work through xml for activities with theme dialog ?
– sat
Feb 8 ...
How do I get the SharedPreferences from a PreferenceActivity in Android?
...me reading some stupid nerds answers/comments all over SE, who think they know when they actually don't.. Thanks @Pentium10, do you own any blog, thanks again, really appreciate it :)
– Sanjeevcn
Mar 14 '15 at 6:55
...
How do you create a read-only user in PostgreSQL?
...ble to create tables anyway
GRANT CREATE ON SCHEMA public to writeuser;
# Now create the read-only user
CREATE ROLE readonlyuser WITH LOGIN ENCRYPTED PASSWORD 'strongpassword';
GRANT SELECT ON ALL TABLES IN SCHEMA public TO readonlyuser;
If your read-only user doesn't have permission to list tabl...
How to encode a URL in Swift [duplicate]
...s better for usability to avoid percent-
encoding those characters.
Nowadays, you'd generally use URLComponents to percent escape the query value:
var address = "American Tourister, Abids Road, Bogulkunta, Hyderabad, Andhra Pradesh, India"
var components = URLComponents(string: "http://maps....
What is “vectorization”?
Several times now, I've encountered this term in matlab, fortran ... some other ... but I've never found an explanation what does it mean, and what it does? So I'm asking here, what is vectorization, and what does it mean for example, that "a loop is vectorized" ?
...
How do I get a TextBox to only accept numeric input in WPF?
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Please let me know how to use it when declares in some other STATIC class and apply to textbox?
– SHEKHAR SHETE
Jun 28 '13 at 7:41
...