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AsyncTask and error handling on Android
... some other error-string/code) in this variable. When onPostExecute is called, see if this instance-variable is set to some error. If so, show an error message." (From the user "Streets of Boston" groups.google.com/group/android-developers/browse_thread/thread/…)
– OneWor...
Reading a UTF8 CSV file with Python
...method gets applied to a Unicode string to make a byte-string; but you're calling it on a byte-string instead... the wrong way 'round! Look at the codecs module in the standard library and codecs.open in particular for better general solutions for reading UTF-8 encoded text files. However, for the ...
Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
...takes the anonymous delegate, and runs multiple threads on this code in parallel for all the different items.
The second one not very useful in this scenario. In a nutshell it is intended to do a query on multiple threads, and combine the result, and give it again to the calling thread. So the code...
node.js hash string?
... If I have lots of strings to hash, it is less efficient to keep calling crypto.createHash instead of somehow re-using the result?
– Michael
Mar 28 '19 at 3:23
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Swift variable decorations with “?” (question mark) and “!” (exclamation mark)
I understand that in Swift all variables must be set with a value, and that by using optionals we can set a variable to be set to nil initially.
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Enumerable.Empty() equivalent for IQueryable
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@Nauman - you actually create an [empty] T array - no new object of T is actually created.
– zastrowm
Feb 20 '14 at 15:56
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@Resource vs @Autowired
... the annotation, perform injection by type. The difference is:
@Resource allows you to specify a name of the injected bean
@Autowired allows you to mark it as non-mandatory.
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How to check if a string contains an element from a list in Python
...y strings in a list are found in another string, keep in mind that this is all that this solution does. It does not care WHERE the string is found e.g. in the ending of the string. If this is important, as is often the case with urls, you should look to the answer of @Wladimir Palant, or you risk ge...
How do you grep a file and get the next 5 lines
...e was a way to not limit the output to a certain amount of lines but print all lines after the matched one.
– Matthias Braun
May 19 '19 at 17:18
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Which exception should I raise on bad/illegal argument combinations in Python?
... raise ValueError("save must be True if recurse is True")
There's really no point in doing class BadValueError(ValueError):pass - your custom class is identical in use to ValueError, so why not use that?
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