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Is using a lot of static methods a bad thing?
I tend to declare as static all the methods in a class when that class doesn't require to keep track of internal states. For example, if I need to transform A into B and don't rely on some internal state C that may vary, I create a static transform. If there is an internal state C that I want to be ...
Ignore .pyc files in git repository
How can I ignore .pyc files in git?
6 Answers
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How to override equals method in Java
I am trying to override equals method in Java. I have a class People which basically has 2 data fields name and age . Now I want to override equals method so that I can check between 2 People objects.
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Why is a div with “display: table-cell;” not affected by margin?
I have div elements next to each other with display: table-cell; .
4 Answers
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How to create a drop shadow only on one side of an element?
Is there a way to drop the shadow only on the bottom?. I have a menu with 2 images next to each other. I don't want a right shadow because it overlaps the right image. I don't like to use images for this so is there a way to drop it only on the bottom like:
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Summarizing multiple columns with dplyr? [duplicate]
I'm struggling a bit with the dplyr-syntax. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
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HMAC-SHA1 in bash
Is there a bash script to generate a HMAC-SHA1 hash?
4 Answers
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Can I set null as the default value for a @Value in Spring?
I'm currently using the @Value Spring 3.1.x annotation like this:
5 Answers
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How to rename items in values() in Django?
I want to do pretty much the same like in this ticket at djangoproject.com , but with some additonal formatting. From this query
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seek() function?
Please excuse my confusion here but I have read the documentation regarding the seek() function in python (after having to use it) and although it helped me I am still a bit confused on the actual meaning of what it does, any explanations are much appreciated, thank you.
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