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How does the const constructor actually work?

...r because the field 'j' is initialized with a non-constant value Runtime Error: /main.dart': error: line 5 pos 17: expression is not a valid compile-time constant final int j = new DateTime.now().millisecond; shar...
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Matplotlib scatter plot with different text at each data point

... @Rutger I use a pandas datframe and I somehow get a KeyError- so I guess a dict() object is expected? Is there any other way to label the data using enumerate, annotate and a pandas data frame? – Rachel Jan 4 '17 at 18:04 ...
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Why not be dependently typed?

I have seen several sources echo the opinion that "Haskell is gradually becoming a dependently-typed language". The implication seems to be that with more and more language extensions, Haskell is drifting in that general direction, but isn't there yet. ...
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What is the difference between Serializable and Externalizable in Java?

What is the difference between Serializable and Externalizable in Java? 11 Answers ...
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Generic type parameter naming convention for Java (with multiple chars)?

In some interfaces I wrote I'd like to name generic type parameters with more than one character to make the code more readable. ...
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How to verify multiple method calls with different params

...or<String> argument = ArgumentCaptor.forClass(String.class); verify(errors, atLeastOnce()).add(argument.capture(), any(ActionMessage.class)); List<String> values = argument.getAllValues(); assertTrue(values.contains("exception.message")); assertTrue(values.contains("exception.detail")...
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Python - Create a list with initial capacity

Code like this often happens: 9 Answers 9 ...
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Git Symlinks in Windows

...wd) if [ ! -e "${target_dir}/${source_file_or_dir}" ]; then printf 'error: git-add-symlink: %s: No such file or directory\n' \ "${target_dir}/${source_file_or_dir}" >&2 printf '(Source MUST be a path relative to the location of target!)\n' >&2 return 2 fi gi...
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Error installing libv8: ERROR: Failed to build gem native extension

... I use that. It compiles ok, but i still have errors when running 'bundle' – Sucrenoir Feb 20 '14 at 10:29 10 ...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

...f sockets available under heavy loads. This will result in SocketException errors. If you find that you need to use a static HttpClient with different headers, base address, etc. what you will need to do is to create the HttpRequestMessage manually and set those values on the HttpRequestMessage. T...