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Default value to a parameter while passing by reference in C++
Is it possible to give a default value to a parameter of a function while we are passing the parameter by reference. in C++
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Warning: Null value is eliminated by an aggregate or other SET operation in Aqua Data Studio
I have a problem when data is null and the warning has appear when the result is display.
How to solve this problem?. How to change the null data to 0 when no data in the table?.
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Filter rows which contain a certain string
I have to filter a data frame using as criterion those row in which is contained the string RTB .
4 Answers
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Matplotlib discrete colorbar
I am trying to make a discrete colorbar for a scatterplot in matplotlib
7 Answers
7
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Is 0 a decimal literal or an octal literal?
Zero is always zero, so it doesn't matter. But in a recent discussion with a friend he said that octal literals are almost unused today. † Then it dawned upon me that actually almost all integer literals in my code are octal, namely 0 .
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Replace all elements of Python NumPy Array that are greater than some value
I have a 2D NumPy array and would like to replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be:
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Remove a string from the beginning of a string
I have a string that looks like this:
11 Answers
11
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How to debug a GLSL shader?
I need to debug a GLSL program but I don't know how to output intermediate result.
Is it possible to make some debug traces (like with printf) with GLSL ?
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
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Fastest way to flatten / un-flatten nested JSON objects
I threw some code together to flatten and un-flatten complex/nested JSON objects. It works, but it's a bit slow (triggers the 'long script' warning).
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