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Tool to read and display Java .class versions
Do any of you know of a tool that will search for .class files and then display their compiled versions?
9 Answers
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How to update a value, given a key in a hashmap?
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In fact that is the most robust and scalable enterprise solution.
– Lavir the Whiolet
Nov 11 '10 at 18:42
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Logical Operators, || or OR?
... no "better" but the more common one is ||. They have different precedence and || would work like one would expect normally.
See also: Logical operators (the following example is taken from there):
// The result of the expression (false || true) is assigned to $e
// Acts like: ($e = (false || true...
Create a .txt file if doesn't exist, and if it does append a new line
I would like to create a .txt file and write to it, and if the file already exists I just want to append some more lines:
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how to read System environment variable in Spring applicationContext
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-Dprop=... sets a java property in command line. You can read this property via System.getProperty("prop"). If you would like to read a OS property then use System.getenv("os-env-variable"). See javadoc: docs.oracle.com/javase/6/docs/api/java/lang/System.html
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What should main() return in C and C++?
...t is the correct (most efficient) way to define the main() function in C and C++ — int main() or void main() — and why? And how about the arguments?
If int main() then return 1 or return 0 ?
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IntelliJ IDEA: Move line?
...d to ActionScript editing only -- move statement is not always what I want and sometimes it is not correct when editing AS code.
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Detecting if an NSString contains…?
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Actually you can just add space on the beginning and end of the string and " is " will match string begins with "is"
– user4951
Nov 12 '12 at 7:41
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Python __str__ and lists
...h object inside the List. For example, if my list contains objects o1, o2, and o3, list.toString() would look something like this:
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What do the following phrases mean in C++: zero-, default- and value-initialization?
...thing to realize is that 'value-initialization' is new with the C++ 2003 standard - it doesn't exist in the original 1998 standard (I think it might be the only difference that's more than a clarification). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this ...