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not:first-child selector
...re supported):
div ul:not(:first-child) {
background-color: #900;
}
If you need to support legacy browsers, or if you are hindered by the :not selector's limitation (it only accepts a simple selector as an argument) then you can use another technique:
Define a rule that has greater scope tha...
Escaping ampersand in URL
...dy a lot is when you need to put a URL inside of another URL. For example, if you want to post a status on Twitter:
http://www.twitter.com/intent/tweet?status=What%27s%20up%2C%20StackOverflow%3F(http%3A%2F%2Fwww.stackoverflow.com)
There's lots of reserved characters in my Tweet, namely ?'():/, so...
Android read text raw resource file
...
What if you use a character-based BufferedReader instead of byte-based InputStream?
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String line = reader.readLine();
while (line != null) { ... }
D...
Defining TypeScript callback type
...
I just found something in the TypeScript language specification, it's fairly easy. I was pretty close.
the syntax is the following:
public myCallback: (name: type) => returntype;
In my example, it would be
class CallbackTest
{
public myCallback: () => void;
p...
How can I set the color of a selected row in DataGrid
...
If I do select the entire row through Databinding e.g. <DataGrid>ItemsSource="{Binding Path=MySelector}" SelectedItem="{Binding SelectedItem, Mode=TwoWay}" the row is only LightGrey. Is there also a SystemColors? ´
...
Turning a Comma Separated string into individual rows
...SomeID
-- OPTION (maxrecursion 0)
-- normally recursion is limited to 100. If you know you have very long
-- strings, uncomment the option
Output
SomeID | OtherID | DataItem
--------+---------+----------
1 | 9 | 18
1 | 9 | 20
1 | 9 | 22 ...
How do you change a repository description on GitHub?
...
As of 2020, if you chose the new design in feature preview, meta-information about the repository can be changed by clicking on a cog icon in the right-hand side menu's "About" section:
Upon doing so, a popup will appear where the descr...
log all sql queries
...
Add the following bold statements in settings.py
if DEBUG:
import logging
l = logging.getLogger('django.db.backends')
l.setLevel(logging.DEBUG)
l.addHandler(logging.StreamHandler())
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'...
How to get the first and last date of the current year?
...
SELECT
DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0) AS StartOfYear,
DATEADD(yy, DATEDIFF(yy, 0, GETDATE()) + 1, -1) AS EndOfYear
The above query gives a datetime value for midnight at the beginning of December 31. This is about 24 hours short of ...
How to list the properties of a JavaScript object?
...r keys = Object.keys(myObject);
The above has a full polyfill but a simplified version is:
var getKeys = function(obj){
var keys = [];
for(var key in obj){
keys.push(key);
}
return keys;
}
Alternatively replace var getKeys with Object.prototype.keys to allow you to call .keys(...