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How to pass in password to pg_dump?
...r, like migrating a database you can use --dbname followed by a connection string (including the password) as stated in the pg_dump manual
In essence.
pg_dump --dbname=postgresql://username:password@127.0.0.1:5432/mydatabase
Note: Make sure that you use the option --dbname instead of the shorter ...
Unsafe JavaScript attempt to access frame with URL
...hinder the browser itself and makes web apps less useful by introducing an extra step. You can still do all this stuff if you load through ajax, rewrite links, and post back. If that doesn't work, remote rpc it through php or whatever language. It's absurd that this is even an issue for the average ...
Only variables should be passed by reference
...
I agree. There's no point in using string manipulation to parse file paths when you have appropriate APIs to do so.
– gd1
Jan 7 '14 at 7:43
...
Practical uses of different data structures [closed]
...they have a continuous memory for them: boolean, char, int, float, double, string.
composite data structures are data structures that are composed of more than one primitive data types.class, structure, union, array/record.
abstract datatypes are composite datatypes that have way to access them effi...
Removing multiple keys from a dictionary safely
...staggering number of people appear unbothered by this :) I don't mind the extra line for existence checking personally, and it's significantly more readable unless you already know about pop(). On the other hand if you were trying to do this in a comprehension or inline lambda this trick could be ...
What is the main purpose of setTag() getTag() methods of View?
... Unlike IDs, tags are not used to identify views. Tags are essentially an extra piece of information that can be associated with a view. They are most often used as a convenience to store data related to views in the views themselves rather than by putting them in a separate structure.
Reference:...
Quicksort vs heapsort
...d pivot (yes, there is an overhead to get a good pivot).
static void Main(string[] args)
{
int[] arrToSort = new int[100000000];
var r = new Random();
for (int i = 0; i < arrToSort.Length; i++) arrToSort[i] = r.Next(1, arrToSort.Length);
Console.WriteLine("Press q to quick sort,...
Why does flowing off the end of a non-void function without returning a value not produce a compiler
...times it is wrong and you have to put in an unnecessary return statement.
char getChoice() {
int ch = read();
if (ch == -1 || ch == 'q') {
System.exit(0);
}
else {
return (char) ch;
}
// Cannot reach here, but still an error.
}
It's a philosophical differ...
How to change node.js's console font color?
...\x1b[36m%s\x1b[0m', 'I am cyan'); //cyan
console.log('\x1b[33m%s\x1b[0m', stringToMakeYellow); //yellow
Note %s is where in the string (the second argument) gets injected. \x1b[0m resets the terminal color so it doesn't continue to be the chosen color anymore after this point.
Colors reference
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How to “git show” a merge commit with combined diff output even when every changed file agrees with
...ng this on the git repository on a8e4a59 shows a combined diff (plus/minus chars in one of 2 columns). As the git-show manual mentions, it pretty much delegates to 'git diff-tree' so those options look useful.
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