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How can I iterate through the unicode codepoints of a Java String?
...u know you'll be dealing with characters outside the BMP, then here is the canonical way to iterate over the characters of a Java String:
final int length = s.length();
for (int offset = 0; offset < length; ) {
final int codepoint = s.codePointAt(offset);
// do something with the codepoin...
C#: Abstract classes need to implement interfaces?
...s an interface is required to define all members of that interface. In the case of an abstract class, you simply define those members with the abstract keyword:
interface IFoo
{
void Bar();
}
abstract class Foo : IFoo
{
public abstract void Bar();
}
Or to put it another way: you don't ha...
How do I get the resource id of an image if I know its name?
...ble name ? I want to find the id of a button whose reference i know, in my case it is button1
– John Watson
Jul 26 '12 at 11:08
1
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Which characters are valid/invalid in a JSON key name?
...s, for JavaScript objects or JSON strings? Or characters that need to be escaped?
4 Answers
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How to accept Date params in a GET request to Spring MVC Controller?
...
I was going to write an answer but you beat me. You can also use @DateTimeFormat(iso=ISO.DATE), which is the same format. BTW, if you can I suggest that you use the Joda DateTime library. Spring supports it really well.
– Luciano
Mar 1 '1...
Label points in geom_point
...
Use geom_text , with aes label. You can play with hjust, vjust to adjust text position.
ggplot(nba, aes(x= MIN, y= PTS, colour="green", label=Name))+
geom_point() +geom_text(aes(label=Name),hjust=0, vjust=0)
EDIT: Label only values above a certain thresh...
What does __FILE__ mean in Ruby?
...
Double underscores were automatically removed within the comment above.
– Luke Bayes
Sep 9 '09 at 21:30
1
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How do I get the “id” after INSERT into MySQL database with Python?
... @hienbt88 He probably meant threads, I've done that and it can cause issues unless you properly utilize threadsafety. I've personally gone for instantiating a new connection for each thread, which is a cute workaround since for some reason committing (autocommitting actually) didn't ...
Entity Framework .Remove() vs. .DeleteObject()
You can remove an item from a database using EF by using the following two methods.
2 Answers
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How can I detect if this dictionary key exists in C#?
...
You can use ContainsKey:
if (dict.ContainsKey(key)) { ... }
or TryGetValue:
dict.TryGetValue(key, out value);
Update: according to a comment the actual class here is not an IDictionary but a PhysicalAddressDictionary, so ...