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What does an asterisk do in a CSS property name? [duplicate]
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It is a syntax error. So in CSS, it makes the property name invalid and stops it being parsed.
Thanks to bugs in browsers, it is sometimes ignored. This effectively causes the property to apply only to browsers featuring that particular bug — IE7.
In general, it should be avoided in favo...
Recommended way of getting data from the server
...k', function($http) {
// Book is a class which we can use for retrieving and
// updating data on the server
var Book = function(data) {
angular.extend(this, data);
}
// a static method to retrieve Book by ID
Book.get = function(id) {
return $http.get('/Book/' + id).then(functio...
How do I iterate over an NSArray?
I'm looking for the standard idiom to iterate over an NSArray. My code needs to be suitable for OS X 10.4+.
8 Answers
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Scraping html tables into R data frames using the XML package
...t of an HTML PRE element using htmlParse(), getNodeSet(), textConnection() and read.table()
– Dave X
Aug 7 '13 at 13:59
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Java: Check if enum contains a given string?
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@Jared, definitely valueOf. Just catch your exception and return false. To those who say otherwise, if you look at the implementation, it uses a Map already, and the JDK developers have a much better chance to optimize this. The API throws an exception, which is a debatable prac...
SQL “between” not inclusive
...:
SELECT *
FROM Cases
WHERE cast(created_at as date) BETWEEN '2013-05-01' AND '2013-05-01'
Another way to fix it is with explicit binary comparisons
SELECT *
FROM Cases
WHERE created_at >= '2013-05-01' AND created_at < '2013-05-02'
Aaron Bertrand has a long blog entry on dates (here), wh...
const vs constexpr on variables
... = 3.141592653589793;
constexpr double PI2 = 3.141592653589793;
Both PI1 and PI2 are constant, meaning you can not modify them. However only PI2 is a compile-time constant. It shall be initialized at compile time. PI1 may be initialized at compile time or run time. Furthermore, only PI2 can be...
Fixed page header overlaps in-page anchors
...lt;h1><a class="anchor" name="barlink">Bar</a></h1>
And then simply the css:
.anchor { padding-top: 90px; }
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In Matlab, when is it optimal to use bsxfun?
...ng
Using bsxfun, like using accumarray, makes me feel good about my understanding of Matlab.
bsxfun will replicate the input arrays along their "singleton dimensions", i.e. the dimensions along which the size of the array is 1, so that they match the size of the corresponding dimension of the othe...
How to list running screen sessions?
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To list all of the screen sessions for a user, run the following command as that user:
screen -ls
To see all screen sessions on a specific machine you can do:
ls -laR /var/run/screen/
I get this on my machine:
gentle ~ # ls -laR /var/run/screen/
/var/run/screen/:
total 1
drwxrwxr-x 4 ...