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Fast stable sorting algorithm implementation in javascript
...and a given order (asc/desc). The order of results must be consistent and stable.
16 Answers
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How to use custom packages
...d "Github code layout". Basically, you make your library a separate go get-table project.
If your library is for internal use, you could go like this:
Place the directory with library files under the directory of your project.
In the rest of your project, refer to the library using its path relat...
What are bitwise operators?
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It is worth noting that the single-bit truth tables listed as other answers work on only one or two input bits at a time. What happens when you use integers, such as:
int x = 5 & 6;
The answer lies in the binary expansion of each input:
5 = 0 0 0 0 0 1 0 1
&am...
Rails :dependent => :destroy VS :dependent => :delete_all
...s associated elements where delete_all can delete multiple data from self table as DELETE * FROM table where field = 'xyz'
:Dependent possible options:
Controls what happens to the associated objects when their owner is destroyed. Note that these are implemented as callbacks, and Rails executes ...
node.js database [closed]
... doesn't make sense to use it if your data would make more sense in an SQL table or a simple key-value store.
Think of your use case. Will you be more likely to want to do a full-text search, just get data by key, or get ranges of documents that have similar attributes?
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Replace a newline in TSQL
...tual run of the test-cases so instead, I built a "test-case query builder" table & give you the 9 statements to copy-paste into your own SSMS window to run (after creating the schema of course, i.e. the function & the TestStrings table).
– NateJ
May 12 ...
Increment a database field by 1
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Updating an entry:
A simple increment should do the trick.
UPDATE mytable
SET logins = logins + 1
WHERE id = 12
Insert new row, or Update if already present:
If you would like to update a previously existing row, or insert it if it doesn't already exist, you can use the REPLACE synta...
How to get a string after a specific substring?
...test time is marked with [...] and <...> marks the worst.
The above table is produced by a comprehensive time trial for all three options, produced below. I ran the tests on Python 3.7.4 on a 2017 model 15" Macbook Pro with 2.9 GHz Intel Core i7 and 16 GB ram.
This script generates random se...
Python serialization - Why pickle?
... might be altered at runtime by the user.
You could have another group of tables in the database and write another function to go through everything stored and write it to the new database tables. Then you would need to write another function to be able to load something saved by reading all of tha...
How are the points in CSS specificity calculated
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I am fond of comparison of Specificity ranking to Olympic Games medal table (gold first method — based first on the number of gold medals, then silver and then bronze).
It works also with your question (huge number of selectors in one specificity group). Specificity considered each group sep...