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Static method behavior in multi-threaded environment in java
...sant's answer is good. But I thought I would try and explain at a slightly more simple level for anybody who comes across this and is newish to Java. Here goes..
Memory in java is split up into two kinds - the heap and the stacks. The heap is where all the objects live and the stacks are where the ...
Remove blank lines with grep
...y work for files with zero or 1 space on the line, not for files with 2 or more spaces. Change ? to *.
– Ed Morton
Dec 8 '12 at 9:42
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What's the difference between `on` and `live` or `bind`?
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Is it secure to store passwords as environment variables (rather than as plain text) in config files
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On a more theoretical level, I tend to think about levels for security in the following ways (in order of increasing strength) :
No security. Plain text. Anyone that knows where to look, can access the data.
Security by Obfusc...
What is the best open-source java charting library? (other than jfreechart) [closed]
Why are there not more opensource easy to use charting libraries for Java?. The only successful opensource project in this area seems to be jfreechart, and it doesn't even have any documentation or examples available.
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Convert a date format in PHP
... site.)
Note that this was a quick solution to the original question. For more extensive conversions, you should really be using the DateTime class to parse and format :-)
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How can I strip first X characters from string using sed?
...want to strip first X characters from the line, so only 1234 stays. I have more variables I need to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
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Multiple Type Constraints in Swift
...SomeProtocol & SomeOtherProtocol>(arg: T) {
// stuff
}
or the more powerful where clause:
func someFunc<T>(arg: T) where T:SomeProtocol, T:SomeOtherProtocol{
// stuff
}
You can of course use protocol composition (e.g., protocol<SomeProtocol, SomeOtherProtocol> ), but ...
Parse large JSON file in Nodejs
...'s a newline somewhere in the buffer
if (pos == 0) { // if there's more than one newline in a row, the buffer will now start with a newline
buf = buf.slice(1); // discard it
continue; // so that the next iteration will start with data
}
processLine(buf...
When to make a type non-movable in C++11?
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