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Base64 Java encode and decode a string [duplicate]
I want to encode a string into base64 and transfer it through a socket and decode it back.
6 Answers
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Java List.add() UnsupportedOperationException
...t about this by reading the documentation of UnsupportedOperationException and List.add(), which documents this to be an "(optional operation)". The precise meaning of this phrase is explained at the top of the List documentation.
As a workaround you can create a copy of the list to a known-modifia...
What is the difference between _tmain() and main() in C++?
...n does.
_tmain is a Microsoft extension.
main is, according to the C++ standard, the program's entry point.
It has one of these two signatures:
int main();
int main(int argc, char* argv[]);
Microsoft has added a wmain which replaces the second signature with this:
int wmain(int argc, wchar_t* ...
difference between foldLeft and reduceLeft in Scala
I have learned the basic difference between foldLeft and reduceLeft
7 Answers
7
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Checking that a List is not empty in Hamcrest
...g if anyone knew of a way to check if a List is empty using assertThat() and Matchers ?
5 Answers
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Read-only list or unmodifiable list in .NET 4.0
...edited Jun 30 '14 at 18:17
Aleksandr Dubinsky
18.3k1212 gold badges5959 silver badges8787 bronze badges
answered Jun 11 '09 at 22:19
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Is there a ternary conditional operator in T-SQL?
...E isExternal = IIF(@type = 2, 1, 0)
Also note: in T-SQL, the assignment (and comparison) operator is just = (and not == - that's C#)
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Why doesn't Dictionary have AddRange?
... because no one ever designed, specified, implemented, tested, documented and shipped that feature. - @Gabe Moothart
As to why? Well, likely because the behavior of merging dictionaries can't be reasoned about in a manner that fits with the Framework guidelines.
AddRange doesn't exist because a ...
How to escape braces (curly brackets) in a format string in .NET
...";
string v = String.Format(" foo {{{0}}}", t);
To output a { you use {{ and to output a } you use }}.
or Now, you can also use c# string interpolation like this (feature available in C# 6.0)
Escaping Brackets: String Interpolation $(""). it is new feature in C# 6.0
var inVal = "1, 2, 3";
var o...
Getting the error “Missing $ inserted” in LaTeX
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The "Missing $ inserted" is probably caused by the underscores and bars. These characters in LaTeX have special meaning in math mode (which is delimited by $ characters). Try escaping them; e.g. update\_element instead of update_element.
However, if you're trying to display code, a bet...