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How to include JavaScript file or library in Chrome console?
...s answer, I wrapped it around a JS function and use it as follows ... var _loadScript = function(path){ var script= document.createElement('script'); script.type= 'text/javascript'; script.src= path; document.head.appendChild(script); } _loadScript('documentcloud.github.com/underscore/undersco...
UITableView load more when scrolling to bottom like Facebook application
...sBatchOfItems = try MyDataHelper.findRange(start..<end)
} catch _ {
print("query failed")
}
// update UITableView with new batch of items on main thread after query finishes
DispatchQueue.main.async {
if let newItems = thisBatchOfItems {
...
angular.element vs document.getElementById or jQuery selector with spin (busy) control
...need jquery.
Edit: Note that jQuery should be loaded before angularJS in order to take precedence over jqLite:
Real jQuery always takes precedence over jqLite, provided it was
loaded before DOMContentLoaded event fired.
Edit2: I missed the second part of the question before:
The issue wit...
How do you delete an ActiveRecord object?
...
It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :afte...
Copying data from one SQLite database to another
... X.TABLE SELECT * FROM Y.TABLE;
Or, if the columns are not matched up in order:
INSERT INTO X.TABLE(fieldname1, fieldname2) SELECT fieldname1, fieldname2 FROM Y.TABLE;
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Convert base64 string to ArrayBuffer
...
Try this:
function _base64ToArrayBuffer(base64) {
var binary_string = window.atob(base64);
var len = binary_string.length;
var bytes = new Uint8Array(len);
for (var i = 0; i < len; i++) {
bytes[i] = binary_string.char...
Modular multiplicative inverse function in Python
...
If you happen to be using sympy, then x, _, g = sympy.numbers.igcdex(a, m) does the trick.
– Lynn
Sep 16 '16 at 18:15
add a comment
...
How can one change the timestamp of an old commit in Git?
...orks nicely to make Github show the commits of a rebased PR in the correct order, since they order them by timestamp and without this trick, the timestamps may all be the same.
– Nathan Long
Mar 2 '17 at 9:32
...
How to set a timer in android
What is the proper way to set a timer in android in order to kick off a task (a function that I create which does not change the UI)?
Use this the Java way:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Timer.html
...
Implement Stack using Two Queues
... 3 2 1 in Queue A? If I dequeue B to enqueue A, I can only get elements in order 2, 1. If I then add 3, I will get the order 3, 1, 2. If put my push first, and then dequeue/enqueue, I get 1, 2, 3.
– tsurantino
Sep 11 '15 at 3:56
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