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What are unit tests, integration tests, smoke tests, and regression tests?
What are unit tests, integration tests, smoke tests, and regression tests? What are the differences between them and which tools can I use for each of them?
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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
...ve a dataframe with repeat values in column A. I want to drop duplicates, keeping the row with the highest value in column B.
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How do I add a ToolTip to a control?
I have some controls that I would like to display a ToolTip for when the mouse is hovering over it. How can I do this? I would like to know how to do this properly in code, but also in the designer (There is a ToolTip component in the toolbox, but I don't quite.. get it).
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Git: add vs push vs commit
...itory.
This figure from this git cheat sheet gives a good idea of the work flow
git add isn't on the figure because the suggested way to commit is the combined git commit -a, but you can mentally add a git add to the change block to understand the flow.
Lastly, the reason why push is a separate c...
How to round a number to n decimal places in Java
What I would like is a method to convert a double to a string which rounds using the half-up method - i.e. if the decimal to be rounded is 5, it always rounds up to the next number. This is the standard method of rounding most people expect in most situations.
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Remove the complete styling of an HTML button/submit
... in Internet Explorer? I use a css sprite for my button, and everything looks ok.
7 Answers
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Changing image sizes proportionally using CSS?
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this is a known problem with CSS resizing, unless all images have the same proportion, you have no way to do this via CSS.
The best approach would be to have a container, and resize one of the dimensions (always the same) of the image...
What's wrong with overridable method calls in constructors?
I have a Wicket page class that sets the page title depending on the result of an abstract method.
7 Answers
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range() for floats
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I don't know a built-in function, but writing one like this shouldn't be too complicated.
def frange(x, y, jump):
while x < y:
yield x
x += jump
As the comments mention, this could produce unpredictable results like...
Remove all line breaks from a long string of text
Basically, I'm asking the user to input a string of text into the console, but the string is very long and includes many line breaks. How would I take the user's string and delete all line breaks to make it a single line of text. My method for acquiring the string is very simple.
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