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UITextField auto-capitalization type - iPhone App
... on the keyboard. The best thing to do is capitalize the words in code:
NSString *text = [myTextField.text capitalizedString];
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What does !! mean in ruby?
...method to return a boolean. It will detect any kind of truthiness, such as string, integers and what not, and turn it into a boolean.
!"wtf"
# => false
!!"wtf"
# => true
A more real use case:
def title
"I return a string."
end
def title_exists?
!!title
end
This is useful when you w...
Java split() method strips empty strings at the end? [duplicate]
...
You can specify to apply the pattern as often as possible with:
String[] de = data.split(";", -1);
See the Javadoc for the split method taking two arguments for details.
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JS strings “+” vs concat method [duplicate]
I have some experience with Java and I know that strings concatenation with "+" operator produces new object.
5 Answers
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How to shorten my conditional statements
...it's much slower if you have one loop with very large n (number of "itemX" strings). I hacked up this code generator that you can use to verify (or perhaps refute). obj["itemX"] is extremely fast if n is large. Basically, what's fast depends on context. Have fun.
– kojiro
...
Spring boot @ResponseBody doesn't serialize entity id
...Person.class })
public interface ProjectionPerson {
Integer getIdPerson();
String getFirstName();
String getLastName();
}
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jquery disable form submit on enter
...
Usually form is submitted on Enter when you have focus on input elements.
We can disable Enter key (code 13) on input elements within a form:
$('form input').on('keypress', function(e) {
return e.which !== 13;
});
DEMO: ...
Is it acceptable and safe to run pip install under sudo?
...ns together will get me back on track :)
– markwalker_
Feb 22 '13 at 16:40
1
also, for installing...
Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...neric type parameter.
public class Main {
public static void main(String[] args) {
BiFunction<Integer, Long, String> bi = (x,y) -> ""+x+","+y;
TriFunction<Boolean, Integer, Long, String> tri = (x,y,z) -> ""+x+","+y+","+z;
System.out.println(bi.app...
How can I calculate an md5 checksum of a directory?
...ther groupid and ownerid numbers are the same, not necessarily whether the string representation of group/owner are the same. This is in line with what for example rsync -a --delete does: it synchronizes virtually everything (minus xattrs and acls), but it will sync owner and group based on their I...