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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 ...
Color picker utility (color pipette) in Ubuntu [closed]
...t-get install gpick
Applications -> Graphics -> GPick
It has many more features than gcolor2 but is still extremely simple to use: click on one of the hex swatches, move your mouse around the screen over the colours you want to pick, then press the Space bar to add to your swatch list.
If ...
When to add what indexes in a table in Rails
...ot.
Since Version 5 of rails the index will be created automatically, for more information see here.
Should I add "index" to the automatically created "id" column?
No, this is already done by rails
Should I add "index(unique)" to the automatically created "id" column?
No, same as above
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Show or hide element in React
...ed reviewing. I went with the intended answer and that was neat and 'felt' more react like. However I was unable to set initial states and anything useful on an unmounted component. I am looking at using css to hide things instead. Listeners on unmounted components will silently fail this has caused...
Subtract days from a date in JavaScript
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There is already an open DataReader associated with this Command which must be closed first
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This worked for me. If you want to read more about Enabling Multiple Active Result Sets (MARS) see msdn.microsoft.com/en-us/library/h32h3abf(v=vs.100).aspx. Consider reading up on Disadvantages of MARS too stackoverflow.com/questions/374444/…
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Why does SIGPIPE exist?
...special it needs its own signal? perhaps the pure filter programs is a lot more common that I imagine.
– Arvid
Aug 28 '15 at 20:34
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...t too with a constructive one, but destructive composition looks nicer and more like a list or a decorator, and the constructive one looks a lot like a tree. And things like backtracking
with constructive functions are just not nice. You can just save the partial functions of a destructive one (dyn...
Multiple simultaneous downloads using Wget?
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