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How to re-open an issue in github?
...repo, then (in regards to issues)
you can open issues
you can comment on all existing issues (open or closed)
you can close your own issues
you can re-open your own issues if you closed them yourself
you cannot close or re-open issues opened by someone else
you cannot re-open your own issues if a ...
How can I represent an 'Enum' in Python?
...y3, e.g. you'll need __order__ in python 2).
To use enum34, do $ pip install enum34
To use aenum, do $ pip install aenum
Installing enum (no numbers) will install a completely different and incompatible version.
from enum import Enum # for enum34, or the stdlib version
# from aenum import...
Explain the encapsulated anonymous function syntax
...ression:
(function foo() {
alert(2 + 2);
}());
The Parentheses (formally called the Grouping Operator) can surround only expressions, and a function expression is evaluated.
The two grammar productions can be ambiguous, and they can look exactly the same, for example:
function foo () {} // ...
Visual Studio jump to next error shortcut?
...ut Edit.GoToNextLocation is applicable to error list, search results, find all refs etc
– anish
Jul 18 '17 at 14:25
de...
How do you git show untracked files that do not exist in .gitignore
...
Possible values are no, normal, all. It's explained here: git-scm.com/docs/git-config
– Muhammad Gelbana
Oct 18 '16 at 11:56
...
JVM option -Xss - What does it do exactly?
...ts own stack. The stack is used to hold return addresses, function/method call arguments, etc. So if a thread tends to process large structures via recursive algorithms, it may need a large stack for all those return addresses and such. With the Sun JVM, you can set that size via that parameter.
...
Python: Get the first character of the first string in a list?
...ist char for the first one string(item):
myList[0][0]
>>> b
If all first chars:
[x[0] for x in myList]
>>> ['b', 's', 't']
If you have a text:
text = 'base sample test'
text.split()[0][0]
>>> b
...
Will strlen be calculated multiple times if used in a loop condition?
...optimiser might be able to deduce that the value won't change, but I personally wouldn't rely on that.
I'd do something like
for (int i = 0, n = strlen(ss); i < n; ++i)
or possibly
for (int i = 0; ss[i]; ++i)
as long as the string isn't going to change length during the iteration. If it mi...
No secret option provided to Rack::Session::Cookie warning?
...
Update your rails gems as this is backported to all supported rails gems. note @henrik-n
– shadowbq
Feb 4 '13 at 11:14
add a comment
...
Why do we not have a virtual constructor in C++?
...e and Technique FAQ Why don't we have virtual constructors?
A virtual call is a mechanism to get work done given partial
information. In particular, "virtual" allows us to call a function
knowing only any interfaces and not the exact type of the object. To
create an object you need complet...