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Cast Double to Integer in Java
...r val = (myDouble == null)? null : Integer.valueOf(myDouble.intValue());
Now it works fine for most values. However integers have a very small range (min/max value) compared to a Double. On top of that, doubles can also hold "special values", that integers cannot:
1/0 = +infinity
-1/0 = -infini...
connect local repo with remote repo
I have a local repo. I created the whole app but now I want to push it to remote repo. I already have remote repo as well. How can I connect these two repos without losing any work that I did?
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What characters are allowed in an email address?
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Watch out! There is a bunch of knowledge rot in this thread (stuff that used to be true and now isn't).
To avoid false-positive rejections of actual email addresses in the current and future world, and from anywhere in the world, you need to know at least...
Nexus 7 not visible over USB via “adb devices” from Windows 7 x64
...t was only the above (changing to PTP) that enabled my Nexus 7 to show up. Now on to adding support for my apps for tablets - Thanks so much!
– Robbe
Aug 31 '12 at 18:18
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Fast permutation -> number -> permutation mapping algorithms
...elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
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How to install Boost on Ubuntu
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Do not use the packaged version of boost, right now on Ubuntu 16.04 it's 1.58, and the latest stable version is 1.67.0 ! See the response and my comment below : stackoverflow.com/a/41272796/2617716
– Jeb
Apr 18 '18 at 11:45
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Where can I find “make” program for Mac OS X Lion?
... Indeed, installing new Xcode resolved my problem. Unfortunately I didn't know that after doing a Mac OS X upgrade I also have to upgrade to the latest Xcode version.
– Roman Kagan
Jul 20 '11 at 20:05
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Pushing app to heroku problem
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that worked...but now it is giving me this message: $ git push heroku master Counting objects: 1652, done. Delta compression using up to 4 threads. fatal: object 91f5d3ee9e2edcd42e961ed2eb254d5181cbc734 inconsistent object lengt h (476 vs 898...
Node.js app can't run on port 80 even though there's no other process blocking the port
... Not sure why, but on Ubuntu 14.04 this did not work for me. I now use port forwarding via ssh, which is just as easy. I posted an answer below.
– panepeter
Feb 27 '18 at 9:12
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JavaScript equivalent of PHP's in_array()
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There is now Array.prototype.includes:
The includes() method determines whether an array includes a certain
element, returning true or false as appropriate.
var a = [1, 2, 3];
a.includes(2); // true
a.includes(4); // false
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