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Dynamically adding properties to an ExpandoObject
...
As explained here by Filip - http://www.filipekberg.se/2011/10/02/adding-properties-and-methods-to-an-expandoobject-dynamicly/
You can add a method too at runtime.
x.Add("Shout", new Action(() => { Console.WriteLine("Hellooo!!!"); }));
x.Shout();
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Send POST data using XMLHttpRequest
...long with the request
http.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
http.onreadystatechange = function() {//Call a function when the state changes.
if(http.readyState == 4 && http.status == 200) {
alert(http.responseText);
}
}
http.send(params);...
Regex lookahead, lookbehind and atomic groups
...ed as s immediately follows in foots, and stop.
Some resources
http://www.regular-expressions.info/lookaround.html
http://www.rexegg.com/regex-lookarounds.html
Online testers
https://regex101.com
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How to exclude this / current / dot folder from find “type d”
...y default in bash - see the 'dotglob' option in the shopt builtin: https://www.gnu.org/software/bash/manual/html_node/The-Shopt-Builtin.html).
eclipse tmp # find .
.
./screen
./screen/.testfile2
./.X11-unix
./.ICE-unix
./tmux-0
./tmux-0/default
eclipse tmp # find ./*
./screen
./screen/.testfile...
Fastest way to get the first object from a queryset in django?
...rns no objects.
These were added in Django 1.6, which was released in Nov 2013.
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How to “test” NoneType in python?
...ne.
– Aaron Hall♦
Dec 4 '18 at 19:01
1
@AaronHall Why isinstance should not be used ? I underst...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...faulted short-hand properties.
It involves inheritance which is a bit more complicated.
Inheritance
Note: Chrome dev tools "style" panel will display a rule set, because one or more rules from the set are being applied to the currently selected DOM node.
I guess, for the sake of completeness, d...
How to grep a text file which contains some binary data?
...variable
– funroll
Sep 28 '16 at 20:01
1
Why use this if grep --text works? This seems a lot mor...
Android View.getDrawingCache returns null, only null
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How to sort a HashMap in Java [duplicate]
...If you only need the Map Interface use a TreeMap
If you want to sort by comparing values in the HashMap. You have to write code to do this, if you want to do it once you can sort the values of your HashMap:
Map<String, Person> people = new HashMap<>();
Person jim = new Person("Jim", ...