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How to properly override clone method?
I need to implement a deep clone in one of my objects which has no superclass.
9 Answers
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Drop data frame columns by name
...t I would like to remove from a data frame. I know that we can delete them individually using something like:
20 Answers
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Standard alternative to GCC's ##__VA_ARGS__ trick?
There is a well-known problem with empty args for variadic macros in C99.
10 Answers
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Converting integer to binary in python
In order to convert an integer to a binary, I have used this code :
14 Answers
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Checking if array is multidimensional or not?
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The short answer is no you can't do it without at least looping implicitly if the 'second dimension' could be anywhere. If it has to be in the first item, you'd just do
is_array($arr[0]);
But, the most efficient general way I could find is to use a foreach loop on the array, short...
Quick Way to Implement Dictionary in C
One of the things which I miss while writing programs in C is a dictionary data structure. What's the most convenient way to implement one in C? I am not looking for performance, but ease of coding it from scratch. I don't want it to be generic either -- something like string->int will do. But I do ...
How do you remove the title text from the Android ActionBar?
I'm looking through the Holo.Light theme, and I can't seem to find the magic style to override to get rid of the title text that briefly shows up when my app first launches.
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Lists: Count vs Count() [duplicate]
Given a list, which method is preferred to determine the number of elements inside?
4 Answers
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Can I use the range operator with if statement in Swift?
...to use the range operator ... and ..< with if statement. Maye something like this:
6 Answers
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Add leading zeroes to number in Java? [duplicate]
Is there a better way of getting this result? This function fails if num has more digits than digits, and I feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something)
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