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[] and {} vs list() and dict(), which is better?
...sentially the same thing, but in terms of style, which is the better (more Pythonic) one to use to create an empty list or dict?
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How to convert QString to std::string?
...g current_locale_text = qs.toLocal8Bit().constData();
The suggested (accepted) method may work if you specify codec.
See: http://doc.qt.io/qt-5/qstring.html#toLatin1
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Oracle “(+)” Operator
I am checking some old SQL Statements for the purpose of documenting them and probably enhancing them.
4 Answers
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How to assign string to bytes array
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Safe and simple:
[]byte("Here is a string....")
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How to get the current URL within a Django template?
I was wondering how to get the current URL within a template.
10 Answers
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If strings are immutable in .NET, then why does Substring take O(n) time?
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UPDATE: I liked this question so much, I just blogged it. See Strings, immutability and persistence
The short answer is: O(n) is O(1) if n does not grow large. Most people extract tiny substrings from tiny strings, so how ...
How to quickly and conveniently create a one element arraylist [duplicate]
...;String>(Arrays.asList(s));
and (in Java 7+) you can use the diamond operator <> to make it
return new ArrayList<>(Arrays.asList(s));
Single Element List
Collections can return a list with a single element with list being immutable:
Collections.singletonList(s)
The benefit h...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
I have a computer with 1 MB of RAM and no other local storage. I must use it to accept 1 million 8-digit decimal numbers over a TCP connection, sort them, and then send the sorted list out over another TCP connection.
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Rebasing a Git merge commit
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There are two options here.
One is to do an interactive rebase and edit the merge commit, redo the merge manually and continue the rebase.
Another is to use the --rebase-merges option on git rebase, which is described as follows from the ma...
Is it possible to add an HTML link in the body of a MAILTO link [duplicate]
...s much. However I now need to add a link in the body of a mailto if it is possible.
7 Answers
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