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What is the mouse down selector in CSS?
...you mean the active state
button:active{
//some styling
}
These are all the possible pseudo states a link can have in CSS:
a:link {color:#FF0000;} /* unvisited link, same as regular 'a' */
a:hover {color:#FF00FF;} /* mouse over link */
a:focus {color:#0000FF;} /* link has focus */
a:a...
How do you downgrade rubygems?
I have rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems?
6 Answers
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What's the difference of $host and $http_host in Nginx
...e module but you won't find it with that name because it is defined generically as $http_HEADER (ref).
$http_HEADER
The value of the HTTP request header HEADER when converted to lowercase and with 'dashes' converted to 'underscores', e.g. $http_user_agent, $http_referer...;
Summarizing:
$http_...
SQL Server - Create a copy of a database table and place it in the same database?
...a new table with the same column structure (just like he said) and inserts all data into the new table for you.
– user5855178
Apr 5 '17 at 14:14
1
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Java variable number or arguments for a method
Is it possible to declare a method that will allow a variable number of parameters ?
6 Answers
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Average of 3 long integers
...
This code will work, but isn't that pretty.
It first divides all three values (it floors the values, so you 'lose' the remainder), and then divides the remainder:
long n = x / 3
+ y / 3
+ z / 3
+ ( x % 3
+ y % 3
+ z % 3
)...
How to concatenate properties from multiple JavaScript objects
...n Javascript.
The Object.assign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
MDN documentation on Object.assign()
var o1 = { a: 1 };
var o2 = { b: 2 };
var o3 = { c: 3 };
var...
How can I have linked dependencies in a git repo?
...omes out.
However, when somebody clones the repo, it should still work locally and not have broken links.
1 Answer
...
Does reading an entire file leave the file handle open?
...hat on the particular Python implementation.
To understand what this is all about, pay particular attention to the actual file object. In your code, that object is mentioned only once, in an expression, and becomes inaccessible immediately after the read() call returns.
This means that the file...
Breaking a list into multiple columns in Latex
...
If you don't like the numbers that enumerate automatically adds, try itemize instead of enumerate.
– Tim Stewart
Sep 6 '10 at 19:52
1
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