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Is it possible to read from a InputStream with a timeout?
...the data - that's correct behaviour; there are no available data at that point. As soon as the data are available from the shell, the method returns a value > 0. NB: Cygwin uses cmd.exe too.
Simplest solution (no blocking, so no timeout required)
Just use this:
byte[] inputData = new byt...
How to read and write excel file
...ant to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it?
...
How does the Comma Operator work
..."or", "not", "xor";
Notice that due to operator precedence, the code is (intentionally!) identical to
(((keywords = "and"), "or"), "not"), "xor";
That is, the first operator called is keywords.operator =("and") which returns a proxy object on which the remaining operator,s are invoked:
keyword...
What is the equivalent of the C++ Pair in Java?
...
I agree with Ian. Java lets you return int; it doesn't force you to create an alias for int every time you use one. Pairs are not very different.
– Clément
Dec 4 '16 at 18:20
...
DateTime vs DateTimeOffset
... it in UTC (e.g. using DateTime.UtcNow ), and whenever we display one, we convert back from UTC to the user's local time.
...
What is the difference between UTF-8 and ISO-8859-1?
...
I had seen where Umlaut's are not supposedly converted with UTF8. We saw examples of this and in searching we found the ISO-8859-1 and it seems to work. We have a lot of German Scientist we work with.
– Aggie Jon of 87
Jul 25 '18...
Is there a way of making strings file-path safe in c#?
... = new string(filename.Select(ch => invalidFileNameChars.Contains(ch) ? Convert.ToChar(invalidFileNameChars.IndexOf(ch) + 65) : ch).ToArray());
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The multi-part identifier could not be bound
...(
SELECT
maxa,
COUNT(*) AS tong
FROM khaosat
WHERE CONVERT(datetime, ngaylap, 103) BETWEEN 'Sep 1 2011' AND 'Sep 5 2011'
GROUP BY maxa
) AS dkcd ON dkcd.maxa = a.maxa
WHERE a.maxa <> '99'
ORDER BY a.maxa
Here the tables a and b are joined first, then the result ...
What really happens in a try { return x; } finally { x = null; } statement?
...entially stores it in a variable and returns afterwards
i.e. similar to:
int tmp;
try {
tmp = ...
} finally {
...
}
return tmp;
for example (using reflector):
static int Test() {
try {
return SomeNumber();
} finally {
Foo();
}
}
compiles to:
.method private hi...
How to make an array of arrays in Java
...ay5 };
(The latter syntax can be used in assignments other than at the point of the variable declaration, whereas the shorter syntax only works with declarations.)
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