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Explain the encapsulated anonymous function syntax
...he Function constructor assigned to the variable multiply:
var multiply = new Function("x", "y", "return x * y;");
2- A function declaration of a function named multiply:
function multiply(x, y) {
return x * y;
}
3- A function expression assigned to the variable multiply:
var multiply = f...
SQL to determine minimum sequential days of access?
...s for the previous day. If true, you'll increment the LongestStreak in the new row, otherwise, you'll set it to 1.)
The query will be obvious after adding this column:
if exists(select * from table
where LongestStreak >= 30 and UserId = @UserId)
-- award the Woot badge.
...
Can you force Visual Studio to always run as an Administrator in Windows 8?
...p of VS so that if its not running with admin it kills itself and starts a new instance with the admin permission
– Not loved
Jan 16 '14 at 19:14
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Rake just one migration
...5110821_change_min_quantity_to_races.rb'
> ChangeMinQuantityToRaces.new.change
worked for me.
> Race.new.min_quantity # => 0
This was for ruby 1.9.3p484 (2013-11-22 revision 43786) [x86_64-linux] and Rails 3.2.13.
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Escaping keyword-like column names in Postgres
...ring build_insert (String table, String[] columns)
{
StringBuilder sql = new StringBuilder ();
StringBuilder values = new StringBuilder ();
sql.append ("INSERT INTO ");
sql.append (delimited_identifier (table));
sql.append (" (");
int c = 0;
if (columns.length > 0) {
sql.append...
Where to store global constants in an iOS application?
...better than #define, this should be the accepted answer. #define creates a new string everytime the defined value is used.
– jbat100
Jul 19 '13 at 12:32
1
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Downloading a Google font and setting up an offline site that uses it
...lect and copy the url between 'url(' and ')'
Copy it on address bar in a new tab and go there
Do "File > Save page as..." and name it "desiredfontname.css" (replace accordingly)
Decompress the fonts .zip file you downloaded (.ttf should be extracted)
Go to "http://ttf2woff.com/" and conve...
Javascript How to define multiple variables on a single line?
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Here is the new ES6 method of declaration multiple variables in one line:
const person = { name: 'Prince', age: 22, id: 1 };
let {name, age, id} = person;
console.log(name);
console.log(age);
console.log(id);
* Your v...
Mysql: Select rows from a table that are not in another
..." for example? what's the difference? i'm sorry for asking this, i'm still new to sql :D
– thekucays
Jul 21 '16 at 4:29
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What's the best online payment processing solution? [closed]
...tegrate.
– Dan Udey
Jul 9 '09 at 21:51
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