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Detect if Android device has Internet connection
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You might want to use g.cn/generate_204 instead of clients3.google.com/generate_204 if you want to test connectivity in China as well
– breez
Aug 10 '17 at 5:59
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How to parse a string to an int in C++?
... problem: what if the caller needs to distinguish between bad input (e.g. "123foo") and a number that is out of the range of int (e.g. "4000000000" for 32-bit int)? With stringstream, there is no way to make this distinction. We only know whether the conversion succeeded or failed. If it fails, we h...
How to determine whether an object has a given property in JavaScript
...throw new Error("IllegalArgumentException");
}
alert("ok");
}
f({req1: 123}); // error
f({req1: 123, req2: 456}); // ok
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How to create a new database using SQLAlchemy?
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123
SQLAlchemy-Utils provides custom data types and various utility functions for SQLAlchemy. You ...
Jackson JSON custom serialization for certain fields
...ill result in the desired output
{"name":"Joe","age":25,"favoriteNumber":"123"}
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LISTAGG in Oracle to return distinct values
...t useful:
with test_data as
(
select 'A' as col1, 'T_a1' as col2, '123' as col3 from dual
union select 'A', 'T_a1', '456' from dual
union select 'A', 'T_a1', '789' from dual
union select 'A', 'T_a2', '123' from dual
union select 'A', 'T_a2', '456' from dual
union select 'A', 'T_a2', '111' fr...
How to find list of possible words from a letter matrix [Boggle Solver]
...ptions in there that would theoretically permit a grid with holes in it to function, and grids with different sized lines ( assuming you get the input right and it lines up somehow ).
The early-filter is by far the most significant bottleneck in my application, as suspected earlier, commenting out...
HttpServletRequest to complete URL
...rvlet/MyServlet
String pathInfo = req.getPathInfo(); // /a/b;c=123
String queryString = req.getQueryString(); // d=789
// Reconstruct original requesting URL
StringBuilder url = new StringBuilder();
url.append(scheme).append("://").append(serverName);
if (s...
Capturing TAB key in text box [closed]
...swered Sep 9 '10 at 6:14
chintan123chintan123
19322 silver badges1010 bronze badges
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How to format numbers as currency string?
... id="x">(press button to get output)</p>
Use it like so:
(123456789.12345).formatMoney(2, ".", ",");
If you're always going to use '.' and ',', you can leave them off your method call, and the method will default them for you.
(123456789.12345).formatMoney(2);
If your culture h...