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Android Task Affinity Explanation
...application has Activities that form a stack like a deck of cards. If you start an android application, and start five activities A,B,C,D,E. They will form a stack
E - chat view
D - weather screen
C - map view
B - weather screen
A - login screen
E was the last Activity to be started a...
Is there a standard for storing normalized phone numbers in a database?
...L, and simply line numbers in the rural areas (AAA) LLLL. You will have to start at the top in a tree of some form, and format them as you have information. For example, country code 0 has a known format for the rest of the number, but for country code 5432 you might need to examine the area code b...
The data-toggle attributes in Twitter Bootstrap
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Any attribute that starts with data- is the prefix for custom attributes used for some specific purpose (that purpose depends on the application). It was added as a semantic remedy to people's heavy use of rel and other attributes for purposes ...
++someVariable vs. someVariable++ in JavaScript
... @JeanJimenez: Well it produces the result I expect. For example, if x starts off as 10, the value of r1 is 21, which is 10+11. The value of the first x++ expression is 10 and x is incremented to 11. The value of the second x++ expression is 11 and x is incremented to 12.
–...
How are people unit testing with Entity Framework 6, should you bother?
I am just starting out with Unit testings and TDD in general. I have dabbled before but now I am determined to add it to my workflow and write better software.
...
How is the Linux kernel tested ?
...giU
Step debuggers
Not really unit testing, but may help once your tests start failing:
QEMU + GDB: https://stackoverflow.com/a/42316607/895245
KGDB: https://stackoverflow.com/a/44226360/895245
My own QEMU + Buildroot + Python setup
I also started a setup focused on ease of development, but I...
node.js fs.readdir recursive directory search
...of the loop completes in order. In a parallel loop, all the iterations are started at the same time, and one may complete before another, however, it is much faster than a serial loop. So in this case, it's probably better to use a parallel loop because it doesn't matter what order the walk complete...
What is token-based authentication?
...ith a single way of authenticating those
calls.
Mobile ready: when you start working on a native platform (iOS, Android, Windows 8, etc.) cookies are not ideal when consuming a
token-based approach simplifies this a lot.
CSRF: since you are not relying on cookies, you don't need to prote...
select count(*) from table of mysql in php
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Please start using PDO.
mysql_* is deprecated as of PHP 5.5.0 and will be removed entirely in 7. Let's make it easier to upgrade and start using it now.
$dbh = new \PDO($dsn, $user, $password);
$sth = $dbh->prepare('SELECT co...
How to get the number of days of difference between two dates on mysql?
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SELECT md.*, DATEDIFF(md.end_date, md.start_date) AS days FROM membership_dates md
output::
id entity_id start_date end_date days
1 1236 2018-01-16 00:00:00 2018-08-31 00:00:00 227
2 2876 2015-06-26 00:00:00 ...