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How to count items in a Go map?
... array length (== n)
[]T slice length
map[K]T map length (number of defined keys)
chan T number of elements queued in channel buffer
Here are a couple examples ported from the now-retired SO documentation:
m := map[string]int{}
len(m) ...
What does enumerate() mean?
...ptimisations to reuse a single tuple object for the common for i, ... unpacking case and using a standard C integer value for the counter until the counter becomes too large to avoid using a Python integer object (which is unbounded).
...
Warning: Found conflicts between different versions of the same dependent assembly
...versions of dependent assemblies such as System.Windows.Forms. You can quickly add a binding redirect by double-clicking on error in Visual Studio.
Use CopyLocal=true. I'm not sure if this will suppress the warning. It will, like option 2 above, mean that all projects will use the .Net 3.5 version o...
Is there a “do … until” in Python? [duplicate]
...
There is no do-while loop in Python.
This is a similar construct, taken from the link above.
while True:
do_something()
if condition():
break
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How do I see active SQL Server connections?
... Server connections, and the related information of all the connections, like from which IP address, connect to which database or something.
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How to construct a relative path in Java from two absolute paths (or URLs)?
... not use URI? It has a relativize method which does all the necessary checks for you.
String path = "/var/data/stuff/xyz.dat";
String base = "/var/data";
String relative = new File(base).toURI().relativize(new File(path).toURI()).getPath();
// relative == "stuff/xyz.dat"
Please note that for fil...
Angularjs minify best practice
...te on Minification.
UPDATE
Alternatively, you can use ng-annotate npm package in your build process to avoid this verbosity.
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Removing numbers from string [closed]
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Would this work for your situation?
>>> s = '12abcd405'
>>> result = ''.join([i for i in s if not i.isdigit()])
>>> result
'abcd'
This makes use of a list comprehension, and what is happening here is similar ...
Is there a way to “autosign” commits in Git with a GPG key?
Is there an easy way to make Git always signs each commit or tag that is created?
5 Answers
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Calculating the difference between two Java date instances
...class in Scala and want to compare a Date object and the current time. I know I can calculate the delta by using getTime():
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