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LINQ Group By into a Dictionary Object
... use LINQ to create a Dictionary<string, List<CustomObject>> from a List<CustomObject> . I can get this to work using "var", but I don't want to use anonymous types. Here is what I have
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Behaviour of increment and decrement operators in Python
...parser is a blessing, not a curse. It puts us in handcuffs that prevent us from going overboard and ending up with funky grammar rules like some other dynamic languages that will go unnamed, such as Perl." I don't see how to disambiguate + + and ++ without breaking LL(1).
– Mik...
Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...address as well as unaligned pointer
I've just built that version of gcc from source. For the above program, it produces these diagnostics:
c.c: In function ‘main’:
c.c:10:15: warning: taking address of packed member of ‘struct foo’ may result in an unaligned pointer value [-Waddress-of-...
What's the best way to check if a String represents an integer in Java?
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I would use this method or the original method from the question before regex. This for performance, the original method for speed of implementation and sheer maintainability. The regex solution has nothing going for it.
– Bill the Lizard
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How to get evaluated attributes inside a custom directive
I'm trying to get an evaluated attribute from my custom directive, but I can't find the right way of doing it.
5 Answers
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Debug.Assert vs Exception Throwing
...contrived) practical example may help illuminate the difference:
(adapted from MoreLinq's Batch extension)
// 'public facing' method
public int DoSomething(List<string> stuff, object doohickey, int limit) {
// validate user input and report problems externally with exceptions
if(st...
Objective-C class -> string like: [NSArray className] -> @“NSArray”
I am trying to get a string name of a class from the class object itself.
3 Answers
3
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Plotting a list of (x, y) coordinates in python matplotlib
...nd(N)
plt.scatter(x, y)
plt.show()
will produce:
To unpack your data from pairs into lists use zip:
x, y = zip(*li)
So, the one-liner:
plt.scatter(*zip(*li))
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Which keycode for escape key with jQuery
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(Answer extracted from my previous comment)
You need to use keyup rather than keypress. e.g.:
$(document).keyup(function(e) {
if (e.which == 13) $('.save').click(); // enter
if (e.which == 27) $('.cancel').click(); // esc
});
ke...
android EditText - finished typing event
...editable field - I pretty much never press Enter/Done - and what I've seen from our customers, neither do they... I am talking about a list of Edittexts/Comboboxes etc. If you only give the user one Input field and force him to press a button before he can advance to other fields then that's obvious...