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Why is using a wild card with a Java import statement bad?
It is much more convenient and cleaner to use a single statement like
15 Answers
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Python matplotlib multiple bars
How to plot multiple bars in matplotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only.
How can I plot the multiple bars with dates on the x-axes?
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
I want to extract just the date part from a timestamp in PostgreSQL.
7 Answers
7
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Eclipse: The declared package does not match the expected package
I have a problem importing an external project. I go File -> Import... -> Existing Projects into Workspace, choose the folder where the project is located and everything is imported - but the package names of the project don't seem to be what Eclipse expects. The package names all have a prefix:
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Delete rows from a pandas DataFrame based on a conditional expression involving len(string) giving K
I have a pandas DataFrame and I want to delete rows from it where the length of the string in a particular column is greater than 2.
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Using JSON.NET as the default JSON serializer in ASP.NET MVC 3 - is it possible?
Is it possible to use JSON.NET as default JSON serializer in ASP.NET MVC 3?
7 Answers
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What is the difference between a symbolic link and a hard link?
Recently I was asked this during a job interview. I was honest and said I knew how a symbolic link behaves and how to create one, but do not understand the use of a hard link and how it differs from a symbolic one.
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Add new attribute (element) to JSON object using JavaScript
How do I add new attribute (element) to JSON object using JavaScript?
10 Answers
10
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Checking if an object is null in C#
I would like to prevent further processing on an object if it is null.
17 Answers
17
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What is a “callback” in C and how are they implemented?
From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story).
9 Answers
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