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How to pass in password to pg_dump?
... not recommended for security reasons, as some operating systems allow non-root users to see process environment variables via ps; instead consider using the ~/.pgpass file
– bouchon
Nov 23 '15 at 8:35
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Retrieving Android API version programmatically
....3.3 or 2.2.
The problem with using Build.VERSION.SDK_INT is if you have a rooted phone or custom rom, you could have a non standard OS (aka my android is running 2.3.5) and that will return a null when using Build.VERSION.SDK_INT so Build.VERSION.RELEASE will work no matter using standard Android v...
What is the best way to get all the divisors of a number?
... Shimi has said, you should only be running your loop from 1 to the square root of n. Then to find the pair, do n / i, and this will cover the whole problem space.
As was also noted, this is a NP, or 'difficult' problem. Exhaustive search, the way you are doing it, is about as good as it gets for g...
Android: Clear Activity Stack
...close existing activity stack regardless of what's in there and create new root, correct set of flags is the following:
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
From the doc:
public static final int FLAG_ACTIVITY_CLEAR_TASK
Added in API level 11
...
ASP.NET MVC on IIS 7.5
...
This fixed the 403.14 on the root, and 404 on other controller methods for my MVC app. There is still something fishy here, however, because I have another app running on the same server with the same visible site settings, and it works without this sett...
How to redirect all HTTP requests to HTTPS
...a false impression of security. Instead, you should probably redirect the "root" of your HTTP site to the root of your HTTPS site and link from there, only to HTTPS.
The problem is that if some link or form on the HTTPS site makes the client send a request to the HTTP site, its content will be visi...
`ui-router` $stateParams vs. $state.params
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I have a root state which resolves sth. Passing $state as a resolve parameter won't guarantee the availability for $state.params. But using $stateParams will.
var rootState = {
name: 'root',
url: '/:stubCompanyId',
abstra...
How to randomly select rows in SQL?
...to your question:
Selecting a random row in SQL
Select a random row with MySQL:
SELECT column FROM table
ORDER BY RAND()
LIMIT 1
Select a random row with PostgreSQL:
SELECT column FROM table
ORDER BY RANDOM()
LIMIT 1
Select a random row with Microsoft SQL Server:
SELECT TOP 1 column FROM ta...
SQL Joins Vs SQL Subqueries (Performance)?
...
Sql server and MySql and ...Sql (excepting NoSql) are so similar in infrastructure. We have a kind of query optimization engine underneath which converts the IN (...) clauses to join (if it was possible). But when you have a Group by on a w...
How to enter in a Docker container already running with a new TTY
...hen use lxc-attach -n <container_id> run bash in that container as
root.
Update: You will soon need to use ps --no-trunc instead of ps -notrunc which is being deprecated.
Find the full container ID
Enter the lxc attach command.
Top shows my apache process running that docker started....