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Why Choose Struct Over Class?
...n many circumstances.
Structs are preferable if they are relatively small and copiable because copying is way safer than having multiple references to the same instance as happens with classes. This is especially important when passing around a variable to many classes and/or in a multithreaded env...
How to print a date in a regular format?
...r() function. It is most of the time the most common human readable format and is used to ease display. So str(datetime.datetime(2008, 11, 22, 19, 53, 42)) gives you '2008-11-22 19:53:42'.
The alternative representation that is used to represent the object nature (as a data). It can be get using th...
How to escape single quotes within single quoted strings
...on, using single quotes.
If you do not place any whitespaces between (1) and (2), or between (4) and (5), the shell will interpret that string as a one long word.
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Does Java casting introduce overhead? Why?
...t objects of one type to another? Or the compiler just resolves everything and there is no cost at run time?
5 Answers
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How can I scale an image in a CSS sprite
...an you please tell me if it is possible/how I can crop off a smaller image and then scale the cropped off region before I lay it out?
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Sticky and NON-Sticky sessions
I want to know the difference between sticky- and non-sticky sessions. What I understood after reading from internet:
2 Ans...
How to take column-slices of dataframe in pandas
...achine learning data from a CSV file. The first 2 columns are observations and the remaining columns are features.
10 Answe...
Enable access control on simple HTTP server
...ever create a simple HTTP server yourself, using most of SimpleHTTPRequestHandler, and just add that desired header.
For that, simply create a file simple-cors-http-server.py (or whatever) and, depending on the Python version you are using, put one of the following codes inside.
Then you can do py...
How do I (or can I) SELECT DISTINCT on multiple columns?
...on the same day for the same price. The sales that are unique based on day and price will get updated to an active status.
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EJB's - when to use Remote and/or local interfaces?
I'm very new to Java EE and I'm trying to understand the concept of Local interfaces and Remote interfaces. I've been told that one of the big advantages of Java EE is that it is easy to scale (which I believe means you can deploy different components on different servers). Is that where Remote and ...