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What are best practices for validating email addresses on iOS 2.0
...7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)\\])";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES[c] %@", emailRegex];
return [emailTest evaluateWithObject:candidate];
}
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Is Java's assertEquals method reliable?
... seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTrue(str1.equals(str2)) , but then you don't get the benefit of seei...
Passing Objects By Reference or Value in C#
...One more code sample to showcase this:
void Main()
{
int k = 0;
TestPlain(k);
Console.WriteLine("TestPlain:" + k);
TestRef(ref k);
Console.WriteLine("TestRef:" + k);
string t = "test";
TestObjPlain(t);
Console.WriteLine("TestObjPlain:" +t);
TestObjRef(ref t...
What is the Swift equivalent of respondsToSelector?
...r:, even if Swift, if you are dealing with NSObject instances:
@interface TestA : NSObject
- (void)someMethod;
@end
@implementation TestA
//this triggers a warning
@end
var a = TestA()
if a.respondsToSelector("someMethod") {
a.someMethod()
}
...
Emulating a do-while loop in Bash
...
Place the body of your loop after the while and before the test. The actual body of the while loop should be a no-op.
while
check_if_file_present
#do other stuff
(( current_time <= cutoff ))
do
:
done
Instead of the colon, you can use continue if you find that ...
string.split - by multiple character delimiter
...th characters right? What if I want to split by either "[" or "]"? From my tests so far I guess thats a different story, right?
– C4d
Mar 7 '16 at 15:28
3
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Best practices for styling HTML emails [closed]
...load them and they won't appear as attachments to the email.
And lastly, test, test, test! Each email client does things way differently than a browser would do.
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Difference between method and function in Scala
...returns from a method. For example:
scala> val f = () => { return "test" }
<console>:4: error: return outside method definition
val f = () => { return "test" }
^
Returning from a function defined in a method does a non-local return:
scala> def f: ...
What is the best way to clone/deep copy a .NET generic Dictionary?
... entry => (T) entry.Value.Clone());
(Those are untested, but should work.)
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Can I hide the HTML5 number input’s spin box?
...
This CSS effectively hides the spin-button for webkit browsers (have tested it in Chrome 7.0.517.44 and Safari Version 5.0.2 (6533.18.5)):
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
/* display: none; <- Crashes Chrome on hover */
-webkit-appearance:...