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What is SuppressWarnings (“unchecked”) in Java?
Sometime when looking through code, I see many methods specify an annotation:
11 Answers
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Save modifications in place with awk
...write changes to file, similar to sed where I would use -i option to save modifications to a file.
8 Answers
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Printing hexadecimal characters in C
I'm trying to read in a line of characters, then print out the hexadecimal equivalent of the characters.
7 Answers
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Alternate output format for psql
I am using PostgreSQL 8.4 on Ubuntu. I have a table with columns c1 through cN . The columns are wide enough that selecting all columns causes a row of query results to wrap multiple times. Consequently, the output is hard to read.
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How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
I understand the diamond problem, and above piece of code does not have that problem.
5 Answers
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How to present popover properly in iOS 8
I'm trying to add a UIPopoverView to my Swift iOS 8 app, but I am unable to access the PopoverContentSize property, as the popover does not show in the correct shape. my code:
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A worthy developer-friendly alternative to PayPal [closed]
I understand payments are a tricky thing, but I'm yet to find a worthy alternative to PayPal. I want to change from PayPal because I think they are expensive and it doesn't work in all countries. Furthermore, I think that the API is sufficient, but could be better. The API documentation, however, is...
How do I use $rootScope in Angular to store variables?
How do I use $rootScope to store variables in a controller I want to later access in another controller? For example:
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How to configure port for a Spring Boot application
How do I configure the TCP/IP port listened on by a Spring Boot application, so it does not use the default port of 8080.
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What is the difference between atan and atan2 in C++?
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