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NSUserDefaults - How to tell if a key exists
...l returning nil if the key doesn't exist.
func integerOptional(forKey: String) -> Int? {
return self.object(forKey: forKey) as? Int
}
/// Convenience method to wrap the built-in .double(forKey:) method in an optional returning nil if the key doesn't exist.
func doubleOptio...
Check if checkbox is checked with jQuery
...box" name="chk[]" id="chk[]" value="Bananas" />
Instead, drop the ID, and then select them by name, or by a containing element:
<fieldset id="checkArray">
<input type="checkbox" name="chk[]" value="Apples" />
<input type="checkbox" name="chk[]" value="Bananas" />
<...
Form inline inside a form horizontal in twitter bootstrap?
...Sep 20 '15 at 5:57
Shimmy Weitzhandler
88.9k116116 gold badges372372 silver badges585585 bronze badges
answered Aug 31 '12 at 9:06
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Android - styling seek bar
...
I would extract drawables and xml from Android source code and change its color to red.
Here is example how I completed this for mdpi drawables:
Custom red_scrubber_control.xml (add to res/drawable):
<selector xmlns:android="http://schemas.andro...
What new capabilities do user-defined literals add to C++?
...roduction of new literal syntax based on existing literals ( int , hex , string , float ) so that any type will be able to have a literal presentation.
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How to add http:// if it doesn't exist in the URL?
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Scan the string for ://, if it does not have it, prepend http:// to the string.., everything else just use the string as is.
This will work unless you have rubbish input string.
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What is the difference between properties and attributes in HTML?
...uery 1.6.1, I have been trying to define the difference between properties and attributes in HTML.
5 Answers
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Should operator
...ostream>
class Paragraph
{
public:
explicit Paragraph(std::string const& init)
:m_para(init)
{}
std::string const& to_str() const
{
return m_para;
}
bool operator==(Paragraph const& rhs) const
{
...
C# switch on type [duplicate]
...something along these lines could help
// nasty..
switch(MyObj.GetType.ToString()){
case "Type1": etc
}
// clumsy...
if myObj is Type1 then
if myObj is Type2 then
etc.
share
|
improve this ...
How to get a Docker container's IP address from the host
Is there a command I can run to get the container's IP address right from the host after a new container is created?
52 Ans...