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How to scroll to top of page with JavaScript/jQuery?
...the page with a scroll effect is a bit more easier in javascript now with:
https://developer.mozilla.org/en-US/docs/Web/API/Window/scroll
There are 2 ways to use scroll API.
This is the method I recommend. Using an option object:
window.scroll(options)
This is a better option since you can define a ...
OS X Framework Library not loaded: 'Image not found'
...r to this ) then it would be great if you can raise a bug on bug reporter: https://bugreport.apple.com/ and reference the bug I raised to gain visibility. I want to make Xcode back into the pleasure that it was before - and this is something I am sure Xcode should have fixed itself.
Here is the f...
Why does an image captured using camera intent gets rotated on some devices on Android?
...e to use ExifInterface to get the orientation because an Android OS issue:
https://code.google.com/p/android/issues/detail?id=19268
And here is calculateInSampleSize
/**
* Calculate an inSampleSize for use in a {@link BitmapFactory.Options} object when decoding
* bitmaps using the decode* method...
jQuery Determine if a matched class has a given id
...hasId('foo') ?
console.log('yes') : console.log('no');
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="mydiv" id="foo"></div>
<div class="mydiv"></div>
...
How to declare a type as nullable in TypeScript?
... of all types (unlike, for example, scala).
see if this flowchart helps - https://github.com/bcherny/language-types-comparison#typescript
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Subprocess changing directory
...
Another option based on this answer: https://stackoverflow.com/a/29269316/451710
This allows you to execute multiple commands (e.g cd) in the same process.
import subprocess
commands = '''
pwd
cd some-directory
pwd
cd another-directory
pwd
'''
process = subp...
Test for existence of nested JavaScript object key
...ed property getting needs.
_.get(countries, 'greece.sparta.playwright')
https://lodash.com/docs#get
Previous answer
lodash users may enjoy lodash.contrib which has a couple methods that mitigate this problem.
getPath
Signature: _.getPath(obj:Object, ks:String|Array)
Gets the value at any d...
When NOT to use Cassandra?
... this question was originally asked), a Cassandra clone called Scylla (see https://en.wikipedia.org/wiki/Scylla_(database)) was released. Scylla is an open-source re-implementation of Cassandra in C++, which claims to have significantly higher throughput and lower latencies than the original Java Ca...
When do Java generics require
...
First - I have to direct you to http://www.angelikalanger.com/GenericsFAQ/JavaGenericsFAQ.html -- she does an amazing job.
The basic idea is that you use
<T extends SomeClass>
when the actual parameter can be SomeClass or any subtype of it.
In your exam...
Why is Node.js single threaded? [closed]
...implementing multiple threads of computation, but were ultimately removed: https://groups.google.com/forum/#!msg/nodejs/zLzuo292hX0/F7gqfUiKi2sJ
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