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What does the JSLint error 'body of a for in should be wrapped in an if statement' mean?
...his field really belongs to the object itself or if it is simply inherited from the prototype chain and thus belongs to all the objects of that type.
for (o in listeners) {
if (listeners.hasOwnProperty(o)) {
console.log(o);
}
}
//prints:
// 0
// 1
// 2
Note, that although th...
Concatenating two lists - difference between '+=' and extend()
...
From the CPython 3.5.2 source code:
No big difference.
static PyObject *
list_inplace_concat(PyListObject *self, PyObject *other)
{
PyObject *result;
result = listextend(self, other);
if (result == NULL)
...
Get protocol, domain, and port from URL
I need to extract the full protocol, domain, and port from a given URL. For example:
18 Answers
...
Iterating Over Dictionary Key Values Corresponding to List in Python
... to iterate over their items. Also, with pattern matching and the division from __future__ you can do simplify things a bit.
Finally, you can separate your logic from your printing to make things a bit easier to refactor/debug later.
from __future__ import division
def Pythag(league):
def win...
Round to at most 2 decimal places (only if necessary)
...ding
Solution 2 is to avoid front end calculations and pull rounded values from the backend server.
Edit: Another possible solution, which is not a bullet proof also.
Math.round((num + Number.EPSILON) * 100) / 100
In some cases, when you round number like 1.3549999999999998 it will return incorrect...
How do I get Fiddler to stop ignoring traffic to localhost?
...her various solutions on this page: Adding a period, changing the hostname from 'localhost" to my machine name. Neither worked. Replacing "localhost" with "ipv4.fiddler", mentioned in the workarounds document, worked.
– Simon Tewsi
Mar 13 '15 at 5:05
...
How can I access “static” class variables within class methods in Python?
... when using static variables, it's a good idea to read the gotchas from here: stackoverflow.com/questions/68645/… . @Constantin gives one of the many gotchas.
– Trevor Boyd Smith
Mar 21 '17 at 16:27
...
Python unittests in Jenkins?
...to execute python unittest cases?
Is it possible to JUnit style XML output from the builtin unittest package?
6 Answers
...
How to install latest version of Node using Brew
... version it's going to install. It's set to 0.4.0 so I ended up installing from src anyway, but this is right. Thank you.
– PandaWood
Feb 20 '11 at 12:12
...
What does passport.session() middleware do?
...e req object and change the 'user' value that is currently the session id (from the client cookie) into the true deserialized user object.
Whilst the other answers make some good points I thought that some more specific detail could be provided.
app.use(passport.session());
is equivalent to
ap...