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Print multiple arguments in Python
... your current code using %-formatting, you need to pass in a tuple:
Pass it as a tuple:
print("Total score for %s is %s" % (name, score))
A tuple with a single element looks like ('this',).
Here are some other common ways of doing it:
Pass it as a dictionary:
print("Total score for %(n)s i...
How does type Dynamic work and how to use it?
I heard that with Dynamic it is somehow possible to do dynamic typing in Scala. But I can't imagine how that might look like or how it works.
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How to filter array in subdocument with MongoDB [duplicate]
...atch so that you can filter individual elements and then use $group to put it back together:
db.test.aggregate([
{ $match: {_id: ObjectId("512e28984815cbfcb21646a7")}},
{ $unwind: '$list'},
{ $match: {'list.a': {$gt: 3}}},
{ $group: {_id: '$_id', list: {$push: '$list.a'}}}
])
o...
Which SQL query is faster? Filter on Join criteria or Where clause?
Compare these 2 queries. Is it faster to put the filter on the join criteria or in the WHERE clause. I have always felt that it is faster on the join criteria because it reduces the result set at the soonest possible moment, but I don't know for sure.
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Difference between fprintf, printf and sprintf?
...English about the differences between printf , fprintf , and sprintf with examples?
8 Answers
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Objective-C declared @property attributes (nonatomic, copy, strong, weak)
...so atomic variables are threadsafe (can be accessed from multiple threads without botching of data)
Copy
copy is required when the object is mutable. Use this if you need the value of the object as it is at this moment, and you don't want that value to reflect any changes made by other owners of the...
How do I check if there are duplicates in a flat list?
For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False .
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What are the differences between a multidimensional array and an array of arrays in C#?
...sed more effectively. Multidimensional arrays have nicer syntax.
If you write some simple code using jagged and multidimensional arrays and then inspect the compiled assembly with an IL disassembler you will see that the storage and retrieval from jagged (or single dimensional) arrays are simple IL...
Converting string from snake_case to CamelCase in Ruby
...follow
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edited Nov 7 '14 at 9:28
Hubro
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RegEx for Javascript to allow only alphanumeric
...ing contains both a letter and a number. I just want one what would allow either and not require both.
17 Answers
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