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Java: Difference between PrintStream and PrintWriter
...an OutputStream deals with bytes, what about PrintStream.print(String)? It converts chars to bytes using the default platform encoding. Using the default encoding is generally a bad thing since it can lead to bugs when moving from one platform to another, especially if you are generating the file on...
What are the most common SQL anti-patterns? [closed]
...en "Logged in"
else "Logged out"
end as "User signed in?",
Convert(varchar(100), LastSignOn, 101) as "Last Sign On",
DateDiff('d', LastSignOn, getDate()) as "Days since last sign on",
AddrLine1 + ' ' + AddrLine2 + ' ' + AddrLine3 + ' ' +
City + ', ' + State + ' ' + Zi...
Why are arrays of references illegal?
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An array is implicitly convertable to a pointer, and pointer-to-reference is illegal in C++
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Accessing an array out of bounds gives no error, why?
...ou don't want to pay that price. Having said that, I've become a complete convert to std::vector's at() method, which IS checked. Using it has exxposed quite a few errors in what I thought was "correct" code.
– anon
Aug 6 '09 at 16:48
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How to access session variables from any class in ASP.NET?
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and if you want to convert to HttpSessionStateBase: HttpSessionStateBase session = new HttpSessionStateWrapper(HttpContext.Current.Session); re: stackoverflow.com/questions/5447611/…
– sobelito
Oct 26 '1...
Detecting endianness programmatically in a C++ program
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The network conversion ops can also be used to convert everything to big endian, thus solving other problems Jay may be encountering.
– Brian
Jun 16 '09 at 13:15
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Generate colors between red and green for a power meter?
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To directly convert to a hex color code, you might want to leverage String.format("#%06X", 0xFFFFFF & getTrafficlightColor(value));
– ngeek
May 11 '16 at 8:01
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How do I raise the same Exception with a custom message in Python?
....args[0] + " hello",) + err.args[1:] may work more reliably (and then just convert to a string to get the message).
– Duncan
Feb 6 '12 at 9:50
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What's the cleanest way of applying map() to a dictionary in Swift?
...ether, substituting a default value for missing elements, grouping values (converting a collection into a dictionary of arrays, keyed by the result of mapping the collection over some function), and more.
During discussion of the proposal, SE-0165, that introduced these features, I brought up this ...
How can I check if a string represents an int, without using try/except?
...integer part before the decimal, unless the floating point number is first converted to a string.
The check_int() function returns false for values like 0.0 and 1.0 (which technically are integers) and returns true for values like '06'.
Here are the current (Python 3.5) test results:
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