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Java: difference between strong/soft/weak/phantom reference
...moved).
On the other hand, a phantom Reference Object is useful only to know exactly when an object has been effectively removed from memory: normally they are used to fix weird finalize() revival/resurrection behavior, since they actually do not return the object itself but only help in keeping t...
Function overloading by return type?
...nt join " ", localtime(); # printed "58 11 2 14 0 109 3 13 0" for me right now
print scalar localtime(); # printed "Wed Jan 14 02:12:44 2009" for me right now.
Every operator in Perl does something in scalar context and something in list context, and they may be different, as illustrated. (This i...
How to split a long regular expression into multiple lines in JavaScript?
... function(reg){ return reg.source; }
).join(''), options);
}
And now let's rock
var r = multilineRegExp([
/^foo/, // we can add comments too
/(.*)/,
/\bar$/
]);
Since it has a cost, try to build the real regex just once and then use that.
...
How to select a CRAN mirror in R
...rg"
options(repos=r)
})
which is in ~/.Rprofile.
Edit: As it is now 2018, we can add that for the last few years the URL "https://cloud.r-project.org" has been preferable as it reflects a) https access and b) an "always-near-you" CDN.
...
Why is a combiner needed for reduce method that converts type in java 8
...s processed by its own thread in the sequential fashion I described above. Now, if we have N threads, we have N intermediate results. These need to be reduced down to one result. Since each intermediate result is of type T, and we have several, we can use the same accumulator function to reduce thos...
When should you NOT use a Rules Engine? [closed]
...
Don't know if that's what you'd call it. What changes by using that name? Nothing that I can see...
– duffymo
Nov 12 '13 at 0:21
...
How to create cron job using PHP?
I'm new to using cron job. I don't even know how to write it. I have tried to search from internet, but I still don't understand it well. I want to create a cron job that will execute my code every minute. I'm using PHP to create it. It is not working.
...
What's the difference between JPA and Hibernate? [closed]
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This metaphor does not add understanding. If you already know the difference, you'll find it amuzing. If you don't know the difference, you will still not know it.
– Nick Volynkin
Feb 15 '17 at 10:18
...
Hiding elements in responsive layout?
...e the case with Bootstrap 3.2.0— .visible-xs and the like still work for now, while .hidden-phone and friends are completely absent from Bootstrap's functionality.
– Slipp D. Thompson
Nov 1 '14 at 7:29
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How to concatenate properties from multiple JavaScript objects
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This is one of the best I could say. Since E6 is now mostly used, Object.assign is the best answer.
– Vimalraj Selvam
Nov 22 '16 at 10:53
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