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Dependency injection through constructors or property setters?
...more for unit tests, so now I am playing the game of going around altering all the constructors to match, and it's taking ages.
It makes me think that using properties with setters is a better way of getting dependencies. I don't think injected dependencies should be part of the interface to const...
C/C++ include header file order
...chnicus: header is "self-contained"). And the rest just seems to flow logically from there.
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T-SQL: Opposite to string concatenation - how to split string into multiple records [duplicate]
...s(pn, start, stop) AS (
SELECT 1, 1, CHARINDEX(@sep, @s)
UNION ALL
SELECT pn + 1, stop + 1, CHARINDEX(@sep, @s, stop + 1)
FROM Pieces
WHERE stop > 0
)
SELECT pn,
SUBSTRING(@s, start, CASE WHEN stop > 0 THEN stop-start ELSE 512 END) AS s
FROM Piec...
All combinations of a list of lists
I'm basically looking for a python version of Combination of List<List<int>>
7 Answers
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Explain the use of a bit vector for determining if all characters are unique
...ge for bits. Every bit in integer value can be treated as a flag, so eventually int is an array of bits (flag). Each bit in your code states whether the character with bit's index was found in string or not. You could use bit vector for the same reason instead of int. There are two differences betwe...
What exactly is Hot Module Replacement in Webpack?
...g modules in a running application (and adding/removing modules). You basically can update changed modules without a full page reload.
Documentation
Prerequirements:
Using Plugins: https://webpack.js.org/concepts/plugins/
Code Splitting: https://webpack.js.org/guides/code-splitting/
webpack-dev-...
Linux vi arrow keys broken in insert mode
...
@pts - only on broken systems. Starting vim as vi on all of my boxes works just fine; however, there are some CentOS boxes I have used that demonstrate the behavior you are talking about.
– Chas. Owens
May 1 '09 at 22:22
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Downloading MySQL dump from command line
..., then:
$ mysqldump -u [uname] -p db_name > db_backup.sql
If it's all DBs, then:
$ mysqldump -u [uname] -p --all-databases > all_db_backup.sql
If it's specific tables within a DB, then:
$ mysqldump -u [uname] -p db_name table1 table2 > table_backup.sql
You can even go as f...
Git push error '[remote rejected] master -> master (branch is currently checked out)'
... remote repository folder:
git config --bool core.bare true
Then delete all the files except .git in that folder. And then you will be able to perform git push to the remote repository without any errors.
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Can you have if-then-else logic in SQL? [duplicate]
...SE statement is the closest to an IF statement in SQL, and is supported on all versions of SQL Server:
SELECT CASE <variable>
WHEN <value> THEN <returnvalue>
WHEN <othervalue> THEN <returnthis>
ELSE <returndefaultcase>
...