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Why should eval be avoided in Bash, and what should I use instead?
...g.'
# Result in the same output (as long as $IFS has not been modified).
Now say we want to add an option to redirect output as an argument to println. We could, of course, just redirect the output of println on each call, but for the sake of example, we're not going to do that. We'll need to us...
How are the points in CSS specificity calculated
...zemonger pointed out earlier in the year, webkit browsers (chrome, safari) now appear to use a higher base than 256. Perhaps 216, like Opera? IE and Firefox still use 256.
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Can the :not() pseudo-class have multiple arguments?
...pecial) {
color: red;
}
Unfortunately, browser support is limited. For now, it only works in Safari.
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Why isn't sizeof for a struct equal to the sum of sizeof of each member?
... {
char a[3];
short int b;
long int c;
char d[3];
};
Now, you might think that it ought to be possible to pack this
structure into memory like this:
+-------+-------+-------+-------+
| a | b |
+-------+-------+-------+-------+
| b | c ...
Are Javascript arrays sparse?
... actual array would be inefficient.
You'll have to ask someone with more knowledge about specific implementations to answer what excatly triggers the shift from dense to sparse, but your example should be perfectly safe. If you want to get a dense array, you should call the constructor with an expl...
What's the best way to refactor a method that has too many (6+) parameters?
...sn't get you much; the goal is to have groupings that make sense. You'll know you got it right when the name of the new type is obvious.
Look for other places where these values are used together, and use the new type there, too. Chances are, when you've found a good new type for a set of values t...
What requirement was the tuple designed to solve?
...ff and write a class, and just want to think about what I've writing right now. Which means the signature of the Tuple may change quite a lot in the text half an hour whilst I figure out what data I am going to need for this method, and how it's returning what ever values it will return.
If I get ...
Error handling in Bash
...
set -e -o pipefail -u # and know what you are doing
– Sam Watkins
Jul 3 '14 at 8:32
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Polymorphism with gson
...
RuntimeTypeAdapter is now complete, unfortunately it doesn't look like it's in Gson core yet. :-(
– Jonathan
Aug 14 '13 at 12:52
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What is the most compatible way to install python modules on a Mac?
...d and there are some details not covered in other answers:
Most people I know use HomeBrew or MacPorts, I prefer MacPorts because of its clean cut of what is a default Mac OS X environment and my development setup. Just move out your /opt folder and test your packages with a normal user Python envi...