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How to validate an e-mail address in swift?
...icate(format:"SELF MATCHES %@", emailRegEx)
return emailPred.evaluate(with: email)
}
for versions of Swift earlier than 3.0:
func isValidEmail(email: String) -> Bool {
let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,64}"
let emailPred = NSPredicate(format:"SELF MAT...
Get color value programmatically when it's a reference (theme)
... color = typedValue.data;
Also make sure to apply the theme to your Activity before calling this code. Either use:
android:theme="@style/Theme.BlueTheme"
in your manifest or call (before you call setContentView(int)):
setTheme(R.style.Theme_BlueTheme)
in onCreate().
I've tested it with you...
Multiple arguments vs. options object
When creating a JavaScript function with multiple arguments, I am always confronted with this choice: pass a list of arguments vs. pass an options object.
...
How does BitLocker affect performance? [closed]
....NET / C# developer. I use VS2010 all the time. I am thinking of enabling BitLocker on my laptop to protect the contents, but I am concerned about performance degradation. Developers who use IDEs like Visual Studio are working on lots and lots of files at once. More than the usual office worker, I w...
PHP and MySQL - how to avoid password in source code? [duplicate]
...database. Currently username / password are hard-coded in the PHP code. A situation I do not really like, for example, since the code is also available in a repository.
...
Explain Morris inorder tree traversal without using stacks or recursion
...please help me understand the following Morris inorder tree traversal algorithm without using stacks or recursion ? I was trying to understand how it works, but its just escaping me.
...
What does it mean when a CSS rule is grayed out in Chrome's element inspector?
...or and some of the CSS rules--which appear to be applied--are grayed out. It seems that a strike-through indicates that a rule was overridden, but what does it mean when a style is grayed out?
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How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
What causes this error, how can I fix it?
31 Answers
31
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Is there a reason for C#'s reuse of the variable in a foreach?
...ous methods in C#, we have to be wary of the access to modified closure pitfall. For example:
4 Answers
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Recursive lambda functions in C++11
I am new to C++11. I am writing the following recursive lambda function, but it doesn't compile.
14 Answers
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