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C# Java HashMap equivalent
...).
Some notable differences that you should be aware of:
Adding/Getting items
Java's HashMap has the put and get methods for setting/getting items
myMap.put(key, value)
MyObject value = myMap.get(key)
C#'s Dictionary uses [] indexing for setting/getting items
myDictionary[key] = value
MyOb...
Auto-expanding layout with Qt-Designer
...rom the bottom of the context-menu. The QVBoxLayout should now stretch to fit the window and will resize automatically when the entire window is resized.
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Handling very large numbers in Python
I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit:
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Python: changing value in a tuple
I'm new to python so this question might be a little basic. I have a tuple called values which contains the following:
17...
Is there a Subversion command to reset the working copy?
...reset” a working copy exactly to the state that’s stored in the repository? Something like git reset --hard or (ha, hard Git reset does not remove unversioned files either!) rm -rf wc && svn co <url> wc .
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Java string to date conversion
...put string:
"January" is the full text month, so use the MMMM pattern for it
"2" is the short day-of-month, so use the d pattern for it.
"2010" is the 4-digit year, so use the yyyy pattern for it.
String string = "January 2, 2010";
DateFormat format = new SimpleDateFormat("MMMM d, yyyy", Locale.E...
Git/GitHub can't push to master
I am new to Git/GitHub and ran into an issue. I created a test project and added it to the local repository. Now I am trying to add files/project to the remote repository.
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Is there any difference between DECIMAL and NUMERIC in SQL Server?
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edited Aug 23 '16 at 8:14
Marjan Venema
18.3k44 gold badges5959 silver badges7676 bronze badges
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Is there a way to quickly capitalize the variable name in Eclipse
...hift+Y lowercase
Cmd+Shift+X uppercase
There is no intelligence in this. It just blindly changes the case on the selected characters.
note: This tip comes from eclipse help. If you need to find it, click Help, Search, then type "uppercase". You'll find a page with lots of shortcuts.
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Multi-key dictionary in c#? [duplicate]
...e as a struct:
public struct Tuple<T1, T2> {
public readonly T1 Item1;
public readonly T2 Item2;
public Tuple(T1 item1, T2 item2) { Item1 = item1; Item2 = item2;}
}
public static class Tuple { // for type-inference goodness.
public static Tuple<T1,T2> Create<T1,T2&g...