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Convert Python dict into a dataframe
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The error here, is since calling the DataFrame constructor with scalar values (where it expects values to be a list/dict/... i.e. have multiple columns):
pd.DataFrame(d)
ValueError: If using all scalar values, you must must pass an index
You could...
How to set entire application in portrait mode only?
...to be disabled while the application is running. How do I do it programmatically?
16 Answers
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Can enums be subclassed to add new elements?
... The reason I want to extend is because I'd like to have a base class called e.g. IntEnum, that looks like this: stackoverflow.com/questions/1681976/enum-with-int-value-in-java/…. Then all my enums could extend it...in this case just benefitting from inheritance and thus I wouldn't have to d...
Design Patterns: Factory vs Factory method vs Abstract Factory
...at is most alike to my understanding of these patterns. Adding examples of calling code (Client) would also help? Question that bothers me a lot is: can we say that Abstract Factory Pattern is just Factory extended with Factory Method Pattern (if this is true, I'm clear on this topic)?
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LINQ .Any VS .Exists - What's the difference?
...ll that it is hugely unlikely to take for example 0120012 seconds for 500k calls. And if it would be perfectly linear, thus explaining the numbers so nicely, 1M calls would've taken 0240024 seconds (twice as long), however that's not the case. 1M calls takes 58,(3)% longer than 500k and 10M takes 10...
Threading in a PyQt application: Use Qt threads or Python threads?
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I've called QCoreApplication.postEvent from a Python thread at a rate of 100 times per second, in an application that runs cross-platform and has been tested for 1000's of hours. I have never seen any problems from that. I think i...
Editing the git commit message in GitHub
...nswered May 23 '12 at 21:56
dunnidunni
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What is offsetHeight, clientHeight, scrollHeight?
...rence between offsetHeight , clientHeight and scrollHeight or offsetWidth , clientWidth and scrollWidth ?
4 Answer...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...le (i.e. in vanilla kernels), fork/clone failures with ENOMEM occur specifically because of either an honest to God out-of-memory condition (dup_mm, dup_task_struct, alloc_pid, mpol_dup, mm_init etc. croak), or because security_vm_enough_memory_mm failed you while enforcing the overcommit policy.
S...
How do I fix a NoSuchMethodError?
...hen running it.
Look at the stack trace ... If the exception appears when calling a method on an object in a library, you are most likely using separate versions of the library when compiling and running. Make sure you have the right version both places.
If the exception appears when calling a met...