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Spring Boot JPA - configuring auto reconnect
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142
I assume that boot is configuring the DataSource for you. In this case, and since you are using...
Most efficient way to store thousand telephone numbers
... (2^m - 1) * 10 bits. (10 bits is enough for storing a number less than 1024.)
The last k bits of all (reduced) phone numbers are stored contiguously in memory; so if k is, say, 7, then the first 7 bits of this block of memory (bits 0 thru 6) correspond to the last 7 bits of the first (reduced) pho...
What's the bad magic number error?
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409
The magic number comes from UNIX-type systems where the first few bytes of a file held a marke...
Understanding Spring @Autowired usage
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edited Oct 1 '18 at 6:46
answered Oct 17 '13 at 6:01
Av...
Could not load file or assembly 'System.Net.Http.Formatting' or one of its dependencies. The system
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answered Mar 14 '14 at 11:48
Jordan_WaltersJordan_Walters
2,02011 gold badge99 silver badges99 bronze badges
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Sleep until a specific time/date
... syntax:
current_epoch=$(date +%s.%N)
target_epoch=$(date -d "20:25:00.12345" +%s.%N)
sleep_seconds=$(echo "$target_epoch - $current_epoch"|bc)
sleep $sleep_seconds
Note that macOS / OS X does not support precision below seconds, you would need to use coreutils from brew instead → see these ...
django - why is the request.POST object immutable?
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answered Sep 27 '12 at 10:54
Gareth ReesGareth Rees
58.7k88 gold badges115115 silver badges151151 bronze badges
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Difference between final and effectively final
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14 Answers
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Why does C# forbid generic attribute types?
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364
Well, I can't answer why it's not available, but I can confirm that it's not a CLI issue. The CL...
How to include route handlers in multiple files in Express?
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408
If you want to put the routes in a separate file, for example routes.js, you can create the ro...