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What is the difference between an abstract function and a virtual function?
...nction? In which cases is it recommended to use virtual or abstract? Which one is the best approach?
27 Answers
...
How do I list all remote branches in Git 1.7+?
... You can also do git ls-remote [url] so you don't have to clone it first :)
– Zsub
Oct 14 '13 at 15:33
145
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How do I make a Git commit in the past?
...(1) or the below:
Git internal format = <unix timestamp> <time zone offset>, e.g. 1112926393 +0200
RFC 2822 = e.g. Thu, 07 Apr 2005 22:13:13 +0200
ISO 8601 = e.g. 2005-04-07T22:13:13
The only command that writes a new commit during normal use is git commit. It ...
What is the usefulness of PUT and DELETE HTTP request methods?
...rce, the enclosed entity SHOULD be considered as a modified version of the one residing on the origin server. If the Request-URI does not point to an existing resource, and that URI is capable of being defined as a new resource by the requesting user agent, the origin server can create the resource ...
Is there a Python function to determine which quarter of the year a date is in?
...ives 1 1 1 2 2 2 2 3 3 3 3 4 -- two four-month quarters and a single-month one (eep).
for m in range(1, 13):
print (m-1)//3 + 1,
print
gives 1 1 1 2 2 2 3 3 3 4 4 4 -- now doesn't this look vastly preferable to you?-)
This proves that the question is well warranted, I think;-).
I don't think ...
Why doesn't a python dict.update() return the object?
... pragmatically tinged flavor of command-query separation: mutators return None (with pragmatically induced exceptions such as pop;-) so they can't possibly be confused with accessors (and in the same vein, assignment is not an expression, the statement-expression separation is there, and so forth).
...
delete a.x vs a.x = undefined
...roperties
if (a.hasOwnProperty('x'))
Following the prototype chain (mentioned by zzzzBov) Calling delete will allow it to go up the prototype chain, whereas setting the value to undefined will not look for the property in the chained prototypes http://jsfiddle.net/NEEw4/1/
var obj = {x: "fromProt...
Maximum call stack size exceeded error
... should use bitwise operators so you can unroll the 9 levels of loops into one level of loops.
– Jack Giffin
Mar 29 '17 at 22:54
...
Character reading from file in Python
...arily exist in ASCII.
If you're trying to convert to an ASCII string, try one of the following:
Replace the specific unicode chars with ASCII equivalents, if you are only looking to handle a few special cases such as this particular example
Use the unicodedata module's normalize() and the string...
Why is it said that “HTTP is a stateless protocol”?
... requests would be more complex. As it is, the simplicity of the model is one of its greatest features.
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