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What's the difference between HEAD^ and HEAD~ in Git?
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15 Answers
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Need a simple explanation of the inject method
I'm looking at this code but my brain is not registering how the number 10 can become the result. Would someone mind explaining what's happening here?
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With bash, how can I pipe standard error into another process?
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172
There is also process substitution. Which makes a process substitute for a file.
You can send...
Split data frame string column into multiple columns
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Printing tuple with string formatting in Python
So, i have this problem.
I got tuple (1,2,3) which i should print with string formatting.
eg.
14 Answers
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JavaScript function similar to Python range()
... start = 0;
}
if (typeof step == 'undefined') {
step = 1;
}
if ((step > 0 && start >= stop) || (step < 0 && start <= stop)) {
return [];
}
var result = [];
for (var i = start; step > 0 ? i < stop : i > stop; i += ...
Migrating from JSF 1.2 to JSF 2.0
I am working with a rather large app written in JSF 1.2 .
JSF 1.2 is around 6 years old now. I need to upgrade to JSF 2.0. How painful will this be? I noticed that some attributes in custom tags have been changed etc.
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Real life example, when to use OUTER / CROSS APPLY in SQL
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Some uses for APPLY are...
1) Top N per group queries (can be more efficient for some cardina...
Flatten nested dictionaries, compressing keys
...ms.append((new_key, v))
return dict(items)
>>> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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