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How to make gradient background in android
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//Color.parseColor() method allow us to convert
// a hexadecimal color string to an integer value (int color)
int[] colors = {Color.parseColor("#008000"),Color.parseColor("#ADFF2F")};
//create a new gradient color
GradientDrawable gd = new GradientDrawable(
Gradie...
Strangest language feature
... printf("LOL??!");
}
This will print LOL|, because the trigraph ??! is converted to |.
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edited Dec 6 '11 at 23:49
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Shorter syntax for casting from a List to a List?
...like more control over the casting / conversion process, you could use the ConvertAll method of the List<T> class, which can use a supplied expression to convert the items. It has the added benifit that it returns a List, instead of IEnumerable, so no .ToList() is necessary.
List<object>...
Generating all permutations of a given string
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Elegant, yes. But a solution that converts to a char array and swaps to generate the permutations will require much less copying and generate much less garbage. Also this algorithm fails to take repeated characters into account.
– Gene
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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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