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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...uble.NaN has the value false". This is elaborated in the Java Language Specification under "Floating-Point Types, Formats, and Values":
NaN is unordered, so the numerical
comparison operators <, <=, >, and >=
return false if either or both
operands are NaN. The
equality opera...
Is there any standard for JSON API response format?
...uring JSON responses from an API? Obviously, every application's data is different, so that much I'm not concerned with, but rather the "response boilerplate", if you will. An example of what I mean:
...
How do you add swap to an EC2 instance?
...ailable.
To add this extra space to your instance you type:
sudo /bin/dd if=/dev/zero of=/var/swap.1 bs=1M count=1024
sudo /sbin/mkswap /var/swap.1
sudo chmod 600 /var/swap.1
sudo /sbin/swapon /var/swap.1
If you need more than 1024 then change that to something higher.
To enable it by default a...
Download and open PDF file using Ajax
...You don't necessarily need Ajax for this. Just an <a> link is enough if you set the content-disposition to attachment in the server side code. This way the parent page will just stay open, if that was your major concern (why would you unnecessarily have chosen Ajax for this otherwise?). Beside...
Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
... few minor issues, one of which is I do not know how go directly to a specific tab from an external link. For example:
24 ...
Map.clear() vs new Map : Which one will be better? [duplicate]
..., but in the garbage collector thread. For 1000 records you won't see any difference.
BUT. The performance guide tells you that it is always better not to create new objects, if you can. So I would go with clear() method.
Anyway, try both variants and try to measure. Always measure!
...
How do I insert NULL values using PDO?
...
I'm not sure the difference between those two, but I'll investigate some. Thanks, your answer was great too.
– Nacho
Sep 8 '09 at 3:29
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GCC compile error with >2 GB of code
... around 2.8 GB of object code (unfortunately there's no way around, scientific computing ...)
11 Answers
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Editing dictionary values in a foreach loop
...ting them in a "Other" pie slice. However I'm getting a Collection was modified; enumeration operation may not execute exception at runtime.
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Get the index of the object inside an array, matching a condition
... for (let index = 0; index < test.length; index++) {
if (test[index].prop === search) {
break;
}
}
}
console.timeEnd('loop');
As with most optimizations, this should be applied with care and only when actually needed.
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