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How do I safely pass objects, especially STL objects, to and from a DLL?
How do I pass class objects, especially STL objects, to and from a C++ DLL?
4 Answers
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How can I count the occurrences of a list item?
Given an item, how can I count its occurrences in a list in Python?
25 Answers
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How to disable GCC warnings for a few lines of code
In Visual C++, it's possible to use #pragma warning (disable: ...) . Also I found that in GCC you can override per file compiler flags . How can I do this for "next line", or with push/pop semantics around areas of code using GCC?
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MySQL, Check if a column exists in a table with SQL
I am trying to write a query that will check if a specific table in MySQL has a specific column, and if not — create it. Otherwise do nothing. This is really an easy procedure in any enterprise-class database, yet MySQL seems to be an exception.
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Why does one often see “null != variable” instead of “variable != null” in C#?
In c#, is there any difference in the excecution speed for the order in which you state the condition?
9 Answers
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Test if a variable is set in bash when using “set -o nounset”
The following code exits with a unbound variable error. How to fix this, while still using the set -o nounset option?
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pandas GroupBy columns with NaN (missing) values
I have a DataFrame with many missing values in columns which I wish to groupby:
9 Answers
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PHP & mySQL: Year 2038 Bug: What is it? How to solve it?
...lk, I preferred to break it up into small parts so that it is easy for novice users to understand as well. So my question(s):
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What exactly does big Ө notation represent?
I'm really confused about the differences between big O, big Omega, and big Theta notation.
6 Answers
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