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Remove sensitive files and their commits from Git history
...ve the content
There are scrappers like http://ghtorrent.org/ and https://www.githubarchive.org/ that regularly pool GitHub data and store it elsewhere.
I could not find if they scrape the actual commit diff, and that is unlikely because there would be too much data, but it is technically possibl...
Why doesn't the example compile, aka how does (co-, contra-, and in-) variance work?
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Covariance, Invariance and Contravariance explained in plain English?
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Java 8: performance of Streams vs Collections
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How do I rename a column in a SQLite database table?
...N fails with an error and no changes are applied.
Image source: https://www.sqlite.org/images/syntax/alter-table-stmt.gif
Example:
CREATE TABLE tab AS SELECT 1 AS c;
SELECT * FROM tab;
ALTER TABLE tab RENAME COLUMN c to c_new;
SELECT * FROM tab;
db-fiddle.com demo
Android Support
As of...
PostgreSQL: Difference between text and varchar (character varying)
...l varlena (variable length array).
Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/
A couple of highlights:
To sum it all up:
char(n) – takes too much space when dealing with values shorter than n (pads them to n), and c...
Why unsigned integer is not available in PostgreSQL?
...d types. However I would suggest to use domains for unsigned types.
http://www.postgresql.org/docs/9.4/static/sql-createdomain.html
CREATE DOMAIN name [ AS ] data_type
[ COLLATE collation ]
[ DEFAULT expression ]
[ constraint [ ... ] ]
where constraint is:
[ CONSTRAINT constraint_name...
How Scalable is SQLite? [closed]
...
Have you read this SQLite docs - http://www.sqlite.org/whentouse.html ?
SQLite usually will work great as the
database engine for low to medium
traffic websites (which is to say,
99.9% of all websites). The amount of web traffic that SQLite can handle
d...
Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
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How can I use Google's Roboto font on a website?
...ct to overall performance, compatibility and availability.
Source: https://www.artzstudio.com/2012/02/web-font-performance-weighing-fontface-options-and-alternatives/
UPDATE
Roboto: Google’s signature font is now open source
You can now manually generate the Roboto fonts using instructions that c...