Selecting only the attribute value of a link:href will return the relative URL.
String bodyFragment =
"<div><a href=\"/documentation\">Stack Overflow Documentation</a></div>";
Document doc = Jsoup.parseBodyFragment(bodyFragment);
...
Placeholders can be used in strings to automatically substitute the values in the final string.
container = "cup"
liquid = "coffee"
string = "Filling the #{container} with #{liquid}..."
The above String - when printed - will say: Filling the cup with coffee...
Yo...
GHCi supports imperative-style breakpoints out of the box with interpreted code (code that's been :loaded).
With the following program:
-- mySum.hs
doSum n = do
putStrLn ("Counting to " ++ (show n))
let v = sum [1..n]
putStrLn ("sum to " ++ (show n) ++ " = "...
Sometimes we need to change words position from one place to another or reduce size of the words and change the color of words automatically to improve the attraction of our website or web apps. JQuery helps a lot with this concept using fadeIn(), hide(), slideDown() but its functionality are limite...
A singleton is a pattern that restricts the instantiation of a class to one instance/object. For more info on python singleton design patterns, see here.
class Singleton:
def __new__(cls):
try:
it = cls.__it__
except AttributeError:
it = cls.__it__ =...
The TinkerPop "toy graphs" make it possible to quickly try out some basic features of Gremlin. These graphs are pre-built and packaged with the Gremlin Console. The most commonly used "toy graphs" are "Modern" and "The Crew". When asking questions on StackOver...
The disabled binding adds a disabled attribute to a html element causing it to no longer be editable or clickable.
This is useful mainly for <input>, <select>, <textarea>, <a> and <button> elements
<input data-bind="disabled: disableInput"/>
<sc...
Many bugs in knockout data binds are caused by undefined properties in a viewmodel. Knockout has two handy methods to retrieve the binding context of an HTML element:
// Returns the binding context to which an HTMLElement is bound
ko.contextFor(element);
// Returns the viewmodel to which ...
CREATE TABLE all_datetime_types(
c_date date,
c_timestamp timestamp
);
Minimum and maximum data values:
insert into all_datetime_types values ('0001-01-01','0001-01-01 00:00:00.000000001');
insert into all_datetime_types values ('9999-12-31','9999-12-31 23:59:59.999999999');
CREATE TABLE all_floating_numeric_types(
c_float float,
c_double double
);
Minimum and maximum data values:
insert into all_floating_numeric_types values (-3.4028235E38,-1.7976931348623157E308);
insert into all_floating_numeric_types values (-1.4E-45,-4.9E-324);
insert into all_floatin...
CREATE TABLE all_binary_types(
c_boolean boolean,
c_binary binary
);
Sample data:
insert into all_binary_types values (0,1234);
insert into all_binary_types values (1,4321);
Note:
For boolean, internally it stored as true or false.
For binary, it will store base64 encoded value....
When using interop methods, you can use GetLastError API to get additional information on you API calls.
DllImport Attribute SetLastError Attribute
SetLastError=true
Indicates that the callee will call SetLastError (Win32 API function).
SetLastError=false
Indicates that the callee will not call...
Do not allocate new objects in onDraw
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
Paint paint = new Paint(); //Do not allocate here
}
Instead of drawing drawables in canvas...
drawable.setBounds(boundsRect);
drawable.draw(canvas);
Use a B...
Typed holes can make it easier to define functions, through an interactive process.
Say you want to define a class instance Foo Bar (for your custom Bar type, in order to use it with some polymorphic library function that requires a Foo instance). You would now traditionally look up the documentati...
POSIX character classes are predefined sequences for a certain set of characters.
Character classDescription[:alpha:]Alphabetic characters[:alnum:]Alphabetic characters and digits[:digit:]Digits[:xdigit:]Hexadecimal digits[:blank:]Space and Tab[:cntrl:]Control characters[:graph:]Visible characters ...
The New-Object cmdlet is used to create an object.
# Create a DateTime object and stores the object in variable "$var"
$var = New-Object System.DateTime
# calling constructor with parameters
$sr = New-Object System.IO.StreamReader -ArgumentList "file path"
In many instan...
