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Running a cron job at 2:30 AM everyday
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541
crontab -e
add:
30 2 * * * /your/command
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Why is Go so slow (compared to Java)?
As we could see from The Computer Language Benchmarks Game in 2010:
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Signed to unsigned conversion in C - is it always safe?
...swer
Your i will be converted to an unsigned integer by adding UINT_MAX + 1, then the addition will be carried out with the unsigned values, resulting in a large result (depending on the values of u and i).
Long Answer
According to the C99 Standard:
6.3.1.8 Usual arithmetic conversions
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Analyze audio using Fast Fourier Transform
...ly spaced frequencies, starting at 0. Because your sampling frequency is 44100 samples / sec. and the number of points in your FFT is 256, your frequency spacing is 44100 / 256 = 172 Hz (approximately)
The first coefficient in your array will be the 0 frequency coefficient. That is basically the av...
How I can I lazily read multiple JSON values from a file/stream in Python?
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Does a break statement break from a switch/select?
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Break statements, The Go Programming Language Specification.
A "break" statement termina...
Pandas count(distinct) equivalent
...()
Example:
In [2]: table
Out[2]:
CLIENTCODE YEARMONTH
0 1 201301
1 1 201301
2 2 201301
3 1 201302
4 2 201302
5 2 201302
6 3 201302
In [3]: table.groupby('YEARMONTH').CLIENTCODE.nunique()
Out[3...
What is the correct way of using C++11's range-based for?
What is the correct way of using C++11's range-based for ?
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How can I convert this foreach code to Parallel.ForEach?
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string[] lines = File.ReadAllLines(txtProxyListPath.Text);
List<string> list_lines = new...
How to delete an element from an array in C#
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