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Why doesn't Java support unsigned ints?
Why doesn't Java include support for unsigned integers?
16 Answers
16
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Javascript Array.sort implementation?
Which algorithm does the JavaScript Array#sort() function use? I understand that it can take all manner of arguments and functions to perform different kinds of sorts, I'm simply interested in which algorithm the vanilla sort uses.
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What can you use Python generator functions for?
I'm starting to learn Python and I've come across generator functions, those that have a yield statement in them. I want to know what types of problems that these functions are really good at solving.
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How do I delete a Git branch locally and remotely?
...branch -d <branch_name>
Note that in most cases the remote name is origin.
In such a case you'll have to use the command like so.
$ git push -d origin <branch_name>
Delete Local Branch
To delete the local branch use one of the following:
$ git branch -d branch_name
$ git branch -D...
How do I get Flask to run on port 80?
I have a Flask server running through port 5000, and it's fine. I can access it at http://example.com:5000
14 Answers
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How to add column if not exists on PostgreSQL?
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Here's a short-and-sweet version using the "DO" statement:
DO $$
BEGIN
BEGIN
ALTER TABLE <table_name> ADD COLUMN <column_name> <column_type>;
EXCEPTION
WHEN duplicate_column...
How do I get an empty array of any size in python?
...If by "array" you actually mean a Python list, you can use
a = [0] * 10
or
a = [None] * 10
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Which is better, return value or out parameter?
...od with an out parameter, if I had the choice. C# 7's Deconstruct methods for language-supported deconstruction acts as a very, very rare exception to this rule.)
Aside from anything else, it stops the caller from having to declare the variable separately:
int foo;
GetValue(out foo);
vs
int foo...
Named Branches vs Multiple Repositories
...tively large codebase. Each release gets its own branch, and fixes are performed against the trunk and migrated into release branches using svnmerge.py
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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)
Is use of string.IsNullOrEmpty(string) when checking a string considered as bad practice when there is string.IsNullOrWhiteSpace(string) in .NET 4.0 and above?
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