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How can I reverse the order of lines in a file?
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You can get GNU tac for OS X from Fink. You might wish to get GNU tail as well, as it does some things that BSD tail does not.
– oylenshpeegul
Apr 12 '09 at 22:00
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Importing two classes with same name. How to handle?
... change or refactor the name of his Class. What he is asking is different from the answer you gave.
– Yatendra Goel
Jan 17 '10 at 7:58
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Catch all JavaScript errors and send them to server
...anyone had experience in handling JavaScript errors globally and send them from the client browser to a server.
8 Answers
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How does origin/HEAD get set?
...anch, and a git status will show me how far ahead or behind my branch is from origin, but I'm surprised that origin/HEAD still points at origin/master , and not origin/<branchname>
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Finding the type of an object in C++
I have a class A and another class that inherits from it, B. I am overriding a function that accepts an object of type A as a parameter, so I have to accept an A. However, I later call functions that only B has, so I want to return false and not proceed if the object passed is not of type B.
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How do you disable viewport zooming on Mobile Safari?
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it was the fancy quotes, I had copied the tag from a website without noticing, thanks for pointing that out!
– CloudMeta
Dec 8 '10 at 16:49
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Javascript reduce on array of objects
...educe((a, b) => ({x: a.x + b.x}));
// -> {x: 7}
Explanation added from comments:
The return value of each iteration of [].reduce used as the a variable in the next iteration.
Iteration 1: a = {x:1}, b = {x:2}, {x: 3} assigned to a in Iteration 2
Iteration 2: a = {x:3}, b = {x:4}.
The ...
Useful code which uses reduce()? [closed]
...bitwise or of a bunch of numbers, for example if you need to convert flags from a list to a bitmask?
– Antimony
Oct 15 '12 at 21:55
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Why is creating a new process more expensive on Windows than Linux?
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mweerden: NT has been designed for multi-user from day one, so this is not really a reason. However, you are right about that process creation plays a less important role on NT than on Unix as NT, in contrast to Unix, favors multithreading over multiprocessing.
Rob, it ...
Why does running the Flask dev server run itself twice?
...t once, ensuring that it also gets called when running under wsgi (ie. not from app.run), but not waiting for the first request? I don't want that first request to be burdened with the initialisation cost.
– Kylotan
Jun 9 '15 at 8:49
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