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How can I recover a lost commit in Git?
...reflog is your friend. Find the commit that you want to be on in that list and you can reset to it (for example:git reset --hard e870e41).
(If you didn't commit your changes... you might be in trouble - commit early, and commit often!)
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Best way to initialize (empty) array in PHP
...o = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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What is the purpose of class methods?
I'm teaching myself Python and my most recent lesson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions.
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Convert a String representation of a Dictionary to a dictionary?
... literal structures: strings, numbers, tuples, lists, dicts, booleans,
and None.
For example:
>>> eval("shutil.rmtree('mongo')")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1, in <module>
File "/opt/Python...
Why do we need argc while there is always a null at the end of argv?
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And argc could be quite big, because the shell is doing expansion (so in ls * the * is expanded by the shell before execve of /bin/ls executable). On my system, I can have an argc of several hundred thousands.
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What are queues in jQuery?
...d the jQuery.com document on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
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What is the best practice for making an AJAX call in Angular.js?
... returns a promise to the returned data, then call that in your controller and handle the promise there to populate your $scope property.
The Service
module.factory('myService', function($http) {
return {
getFoos: function() {
//return the promise directly.
retur...
POST JSON to API using Rails and HTTParty
... to my external ticket management system, squishlist.com. They have an api and instructions as follows. You need to authenticate and get a token and then submit the ticket with the token. From squishlist.
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Difference between FOR and AFTER triggers?
What's the difference between FOR and AFTER triggers?
3 Answers
3
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Draw on HTML5 Canvas using a mouse
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I changed canvas.offsetLeft; and canvas.offsetTop; with canvas.getBoundingClientRect().left; and canvas.getBoundingClientRect().top; respectively to fix the scrolling problem.
– KWILLIAMS
Nov 15 '17 at 19:27
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