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POST request via RestTemplate in JSON
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This technique worked for me:
HttpHeaders headers = new HttpHeaders();
headers.setContentType(M...
Detect the Internet connection is offline?
...ever site), and return the results of the ping to the app. This is a catch-22 because if the internet connection is actually the problem, we won't be able to get to the server, and if the connection problem is only on our own domain, we won't be able to tell the difference. Other cross-domain techni...
Python argparse command line flags without arguments
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edited Oct 24 '19 at 13:12
Jean-François Corbett
33.6k2525 gold badges124124 silver badges172172 bronze badges
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What does “dereferencing” a pointer mean?
...mory address, with 1 referring to the second byte in the process's memory, 2 the third, 3 the fourth and so on....
What happened to 0 and the first byte? Well, we'll get to that later - see null pointers below.
For a more accurate definition of what pointers store, and how memory and addresses re...
Split string using a newline delimiter with Python
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192
str.splitlines method should give you exactly that.
>>> data = """a,b,c
... d,e,f
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
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124
Use Ctrl+V, Ctrl+M to enter a literal Carriage Return character into your grep string. So:
grep...
Software keyboard resizes background image on Android
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answered Nov 27 '10 at 7:04
Andreas WongAndreas Wong
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Read file line by line using ifstream in C++
...eak; } // error
// process pair (a,b)
}
You shouldn't mix (1) and (2), since the token-based parsing doesn't gobble up newlines, so you may end up with spurious empty lines if you use getline() after token-based extraction got you to the end of a line already.
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