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cocktail party algorithm SVD implementation … in one line of code?
... between rows and columns are not the same at all. Each row represents the time of the signal, while each column is frequency. I guess this is an estimation and simplification of a more strict expression called spectrogram.
Singular Value Decomposition on spectrogram is used to factorize the signa...
How to write a large buffer into a binary file in C++, fast?
...gned long long), pFile);
}
fclose(pFile);
return 0;
}
I just timed 8GB in 36sec, which is about 220MB/s and I think that maxes out my SSD. Also worth to note, the code in the question used one core 100%, whereas this code only uses 2-5%.
Thanks a lot to everyone.
Update: 5 years have...
How to add hours to current time in python
I am able to get the current time as below:
2 Answers
2
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how to convert from int to char*?
...g C-style code while programming in C++ is considered bad practice and sometimes referred as "ghastly style". Do you really want to convert it into C-style char* string? :)
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Convert one date format into another in PHP
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The second parameter to date() needs to be a proper timestamp (seconds since January 1, 1970). You are passing a string, which date() can't recognize.
You can use strtotime() to convert a date string into a timestamp. However, even strtotime() doesn't recognize the y-m-d-h-i-...
Replace one character with another in Bash
...h starting at strings with more than 1000 characters. It seems like bash's time complexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length of 1M (=2^20) tr took 0.04s and bash...
Converting a String to DateTime
How do you convert a string such as 2009-05-08 14:40:52,531 into a DateTime ?
17 Answers
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Does Java 8 provide a good way to repeat a value or function?
... languages, eg. Haskell, it is easy to repeat a value or function multiple times, eg. to get a list of 8 copies of the value 1:
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How to apply shell command to each line of a command output?
...that xargs with -L1 will execute a command consuming a single line at each time.
– eja
Jul 31 '19 at 9:04
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Is there a best practice for generating html with javascript
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I switched browser a long time ago, so I don't suffer that much. IE was a horrible browser but it is getting better. But I doubt I will ever switch back.
– some
Sep 25 '10 at 11:15
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