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'Operation is not valid due to the current state of the object' error during postback
I had an aspx page which was working well, but suddenly I am getting the error "Operation is not valid due to the current state of the object." whenever a postback is done.
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Android disable screen timeout while app is running
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You want to use something like this:
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
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Can I incorporate both SignalR and a RESTful API?
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Dennis
33.6k99 gold badges6666 silver badges127127 bronze badges
answered Sep 11 '12 at 12:26
david.sdavid.s
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How to insert element as a first child?
I want to add a div as a first element using jquery on each click of a button
8 Answers
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How to execute Python scripts in Windows?
... will execute this exact command, with no difference in results than if I had typed the full thing myself:
"c:\python26\python.exe" "blah.py" foo
If you type the same thing, including the quotation marks, then you'll get results identical to when you just type "blah.py foo". Now you're in a...
How do HashTables deal with collisions?
...n a linked list of elements that are hashed to that bucket. This is why a bad hash function can make lookups in hash tables very slow.
Option 2: If the hash table entries are all full then the hash table can increase the number of buckets that it has and then redistribute all the elements in the ta...
Using @property versus getters and setters
...te access is the normal, Pythonic way of, well, accessing attributes.
The advantage of properties is that they are syntactically identical to attribute access, so you can change from one to another without any changes to client code. You could even have one version of a class that uses properties (...
IntelliJ IDEA shows errors when using Spring's @Autowired annotation
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I had the same problem with IntelliJ IDEA 13.1.4
I solved it by removing the Spring facet (File->Project Structure) and leaving it to just show "Detection".
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How to do a simple file search in cmd
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jumping_monkey
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answered Nov 9 '11 at 15:29
Gilles ArcasGilles Arcas
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Usage of __slots__?
...memory.
The space savings is from
Storing value references in slots instead of __dict__.
Denying __dict__ and __weakref__ creation if parent classes deny them and you declare __slots__.
Quick Caveats
Small caveat, you should only declare a particular slot one time in an inheritance tree. For exam...