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What does send() do in Ruby?
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send sends a message to an object instance and its ancestors in class hierarchy until some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility chec...
What is the best way to remove accents (normalize) in a Python unicode string?
...Unicode string in Python, and I would like to remove all the accents (diacritics).
8 Answers
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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
I am using entities, C# and SQL Server to create an n-tier app. I am creating some base classes common to all my DAL components. In this base class, i want to handle the connection state of the ObjectContext base class inherited by entities object.
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Python: Checking if a 'Dictionary' is empty doesn't seem to work
I am trying to check if a dictionary is empty but it doesn't behave properly. It just skips it and displays ONLINE without anything except of display the message. Any ideas why ?
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How do you determine the size of a file in C?
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Made the filename argument a const char.
Corrected the struct stat definition, which was missing the variable name.
Returns -1 on error instead of 0, which would be ambiguous for an empty file. off_t is a signed type so this is possible.
If you want fsize() to print a message on error, you can ...
Watch multiple $scope attributes
...newValues array contains the current values of the watch expressions
// with the indexes matching those of the watchExpression array
// i.e.
// newValues[0] -> $scope.foo
// and
// newValues[1] -> $scope.bar
});
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Efficiently convert rows to columns in sql server
...ns in SQL server, I heard that PIVOT is not very fast, and I need to deal with lot of records.
2 Answers
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Find unique rows in numpy.array
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Careful with this function. np.unique(list_cor, axis=0) gets you the array with duplicate rows removed; it does not filter the array to elements that are unique in the original array. See here, for example..
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How can I see the raw SQL queries Django is running?
...alid SQL, because:
"Django never actually interpolates the parameters: it sends the query and the parameters separately to the database adapter, which performs the appropriate operations."
From Django bug report #17741.
Because of that, you should not send query output directly to a database....
How do I print the full value of a long string in gdb?
I want to print the full length of a C-string in GDB. By default it's being abbreviated, how do I force GDB to print the whole string?
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