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Swift how to sort array of custom objects by property value
lets say we have a custom class named imageFile and this class contains two properties.
18 Answers
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Cache an HTTP 'Get' service response in AngularJS?
...rJS service that makes an HTTP 'Get' request when its data object is empty and populates the data object on success.
7 Answ...
Lua string to int
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Nope, it'll convert "10" to integer and then add 0 to it. (The lack of clarity is all the more reason to use tonumber instead, though!)
– Rena
Jun 28 '15 at 6:32
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How to make script execution wait until jquery is loaded
... a subsequent script. Is there a way to check for the existence of jquery and if it doesn't exist, wait for a moment and then try again?
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HTML text input field with currency symbol
... to have a text input field containing the "$" sign in the very beginning, and no matter what editing occurs to the field, for the sign to be persistent.
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Is there are way to make a child DIV's width wider than the parent DIV using CSS?
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how about another parent div being position:static, and another div inside with position:relative? jsfiddle.net/blowsie/v2Tja/3
– Blowsie
Apr 7 '11 at 15:20
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Adding placeholder text to textbox
...;
myTxtbx.Text = "Enter text here...";
myTxtbx.GotFocus += GotFocus.EventHandle(RemoveText);
myTxtbx.LostFocus += LostFocus.EventHandle(AddText);
public void RemoveText(object sender, EventArgs e)
{
if (myTxtbx.Text == "Enter text here...")
{
myTxtbx.Text = "";
}
}
public void A...
If vs. Switch Speed
...es a hash table to dispatch these. The hash table uses the strings as keys and delegates to the case codes as values.
This has asymptotic better runtime than lots of chained if tests and is actually faster even for relatively few strings.
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How do you pass arguments to define_method?
...guments. When you define a method you're really just nicknaming the block and keeping a reference to it in the class. The parameters come with the block. So:
define_method(:say_hi) { |other| puts "Hi, " + other }
share
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URL matrix parameters vs. query parameters
...lay when making a complex REST-style query to multiple levels of resources and sub-resources:
http://example.com/res/categories;name=foo/objects;name=green/?page=1
It really comes down to namespacing.
Note: The 'levels' of resources here are categories and objects.
If only query parameters wer...