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Check that an email address is valid on iOS [duplicate]
...s you to compile and test against a regular expression directly.
iOS 3.x
Does not include the NSRegularExpression class, but does include NSPredicate, which can match against regular expressions.
NSString *emailRegex = ...;
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES ...
What does the tilde before a function name mean in C#?
...nalize method performs the operations that a standard C++ destructor would do. In C#, you don't name it Finalize -- you use the C++ destructor syntax of placing a tilde ( ~ ) symbol before the name of the class.
Dispose
It is preferable to dispose of objects in a Close() or Dispose() method that ...
Prevent body scrolling but allow overlay scrolling
...-hidden="false"] { display: block; }
Javascript (vanilla-JS)
var body = document.body,
overlay = document.querySelector('.overlay'),
overlayBtts = document.querySelectorAll('button[class$="overlay"]');
[].forEach.call(overlayBtts, function(btt) {
btt.addEventListener('click', function...
TextView.setTextSize behaves abnormally - How to set text size of textview dynamically for different
...
Also to note, it only started doing this at API level 7. Another "gotcha" in a ridiculous API.
– mxcl
Feb 11 '12 at 21:10
...
Add disabled attribute to input element using Javascript
...
$("input").attr("disabled", true); as of... I don't know any more.
It's December 2013 and I really have no idea what to tell you.
First it was always .attr(), then it was always .prop(), so I came back here updated the answer and made it more accurate.
Then a year later ...
How to implement a good __hash__ function in python [duplicate]
...n, returning the hash of a tuple of properties, is good. But note that you don't need to list all properties that you compare in __eq__ in the tuple. If some property usually has the same value for inequal objects, just leave it out. Don't make the hash computation any more expensive than it needs t...
Only initializers, entity members, and entity navigation properties are supported
...to SQL and can't because it's not part of the table schema.
What you can do is let Entity query the table with no Paid filter and then filter out the not Paid ones.
public ActionResult Index()
{
var debts = storeDB.Orders
//.Where(o => o.Paid == false)
.OrderByDescending(o ...
What is the instanceof operator in JavaScript?
...just JavaScript. However, with JavaScript when you declare a variable you don't explicitly define a type, var x, x could be a number / string / a user defined data type. So what instanceof does is it checks the object to see if it is of the type specified so from above taking the Customer object we...
Display a tooltip over a button using Windows Forms
How can I display a tooltip over a button using Windows Forms ?
9 Answers
9
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Converting stream of int's to char's in java
This has probably been answered else where but how do you get the character value of an int value?
12 Answers
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