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How to set a Fragment tag by code?
...set a Fragment tag that I have found is by doing a FragmentTransaction and passing a tag name as parameter.
7 Answers
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How do I round a decimal value to 2 decimal places (for output on a page)
...mal currently with .ToString() , it's accurate to like 15 decimal places, and since I'm using it to represent dollars and cents, I only want the output to be 2 decimal places.
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How do I use spaces in the Command Prompt?
How can I use spaces in the Windows Command Line?
11 Answers
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How to make ruler always be shown in Sublime text 2?
I use Sublime Text 2 and want a Ruler to be shown in every file with specific line-height. But I have to show it manually in every file.
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Analyze audio using Fast Fourier Transform
...you need to calculate the square root of the sum of the square of its real and imaginary components. That is, if your coefficient is a + b*j, then its magnitude is sqrt(a^2 + b^2).
Once you have calculated the magnitude of each FFT coefficient, you need to figure out which audio frequency each FFT ...
Maximum length for MySQL type text
I'm creating a form for sending private messages and want to set the maxlength value of a textarea appropriate to the max length of a text field in my MySQL database table. How many characters can a type text field store?
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How does one get started with procedural generation?
...ation has been brought into the spotlight recently (by Spore, MMOs, etc), and it seems like an interesting/powerful programming technique.
My questions are these:
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How do I monitor the computer's CPU, memory, and disk usage in Java?
... you use the SIGAR API. I use the SIGAR API in one of my own applications and it is great. You'll find it is stable, well supported, and full of useful examples. It is open-source with a GPL 2 Apache 2.0 license. Check it out. I have a feeling it will meet your needs.
Using Java and the Sigar ...
Convert timestamp in milliseconds to string formatted time in Java
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And don't forget. Old SimpleDateFormat can't be used multithreaded.
– keiki
Apr 1 '16 at 10:30
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Store boolean value in SQLite
...an storage class. Instead, Boolean values are stored as integers 0 (false) and 1 (true).
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