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When to use generic methods and when to use wild-card?
...am pretty confused about the comparison when it says when to use wild-card and when to use generic methods.
Quoting from the document.
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Running Python code in Vim
I am writing Python code using Vim, and every time I want to run my code, I type this inside Vim:
20 Answers
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Human readable javascripts in chrome developer tools
...t javascripts into human readable form ? Some kind of beautifier would be handy. Let say that I'm using some JS library and I need to instantiate its object, so that I should know what to put into constructor. But searching through this huge library that has 4 lines in the Chrome Developer Tools use...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
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This is what postgres does when a query produces an error and you try to run another query without first rolling back the transaction. (You might think of it as a safety feature, to keep you from corrupting your data.)
To fix this, you'll want to figure out where in the code that ...
lodash multi-column sortBy descending
...['type','name'], [true, false]);
Since version 3.10.0 you can even use standard semantics for ordering (asc, desc):
var data = _.sortByOrder(array_of_objects, ['type','name'], ['asc', 'desc']);
In version 4 of lodash this method has been renamed orderBy:
var data = _.orderBy(array_of_objects, ...
“Content is not allowed in prolog” when parsing perfectly valid XML on GAE
...ing bug for the last 48 hours, so I thought I'd finally throw in the towel and try asking here before I throw my laptop out the window.
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How do you tell if caps lock is on using JavaScript?
...s/edit?js,output
Also, here is a modified version (can someone test on mac and confirm)
NEW VERSION: https://jsbin.com/xiconuv/edit?js,output
NEW VERSION:
function isCapslock(e) {
const IS_MAC = /Mac/.test(navigator.platform);
const charCode = e.charCode;
const shiftKey = e.shiftKey;
if (...
Play sound on button click android
...ory Method Design Pattern. To get an instance, we call its create() method and pass it the context and the resource Id of the sound we want to play, in this case R.raw.soho. We declare it as final. Jon Skeet provided a great explanation on why we do so here.
one.setOnClickListener(new OnClickListe...
Why is [1,2] + [3,4] = “1,23,4” in JavaScript?
...d for arrays.
What happens is that Javascript converts arrays into strings and concatenates those.
Update
Since this question and consequently my answer is getting a lot of attention I felt it would be useful and relevant to have an overview about how the + operator behaves in general also.
So, h...
How do I test for an empty JavaScript object?
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Here is performance test between jQuery and underscore jsperf.com/isempty-vs-isemptyobject/6
– Mikhail
Feb 9 '16 at 11:21
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