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Rails: How can I set default values in ActiveRecord?
...ready been mentioned this will not work when you just call Model.new.
Overriding initialize can work, but don't forget to call super!
Using a plugin like phusion's is getting a bit ridiculous. This is ruby, do we really need a plugin just to initialize some default values?
Overriding after_initializ...
if checkbox is checked, do this
...roperties of an element. The article specifically treats the use of .attr("id") but in the case that #checkbox is an <input type="checkbox" /> element the issue is the same for $(...).attr('checked') (or even $(...).is(':checked')) vs. this.checked.
...
Convert SVG to image (JPEG, PNG, etc.) in the browser
... it handles all the SVG parsing that an SVG-supporting browser already provides for free. I'm not sure if this satisfies the original use-case, but if so, then see this resource for details.
– Premasagar
Oct 3 '13 at 8:19
...
Animated loading image in picasso
...ml
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:gravity="center">
<animated-rotate xmlns:android="http://schemas.android.com/apk/res/android"
android:drawable="@drawable/progress_image"...
How do I prevent site scraping? [closed]
...g well.
There's various types of scraper, and each works differently:
Spiders, such as Google's bot or website copiers like HTtrack, which recursively follow links to other pages in order to get data. These are sometimes used for targeted scraping to get specific data, often in combination with a...
Why does google.load cause my page to go blank?
...le-ajax-search-api/browse_thread/thread/e07c2606498094e6
Using one of the ideas, you could use a callback for the load to force it use append rather than doc.write:
setTimeout(function(){google.load('visualization', '1', {'callback':'alert("2 sec wait")', 'packages':['corechart']})}, 2000);
This...
how to find host name from IP with out login to the host
...;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12770
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1460
;; QUESTION SECTION:
;34.34.51.72.in-addr.arpa. IN PTR
;; ANSWER SECTION:
...
What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...taFrame({'Position':[1,2,4,4,4], 'Letter':['a', 'b', 'd', 'e', 'f']})
for idx,row in df.iterrows():
multivalue_dict[row['Position']].append(row['Letter'])
[out]:
>>> print(multivalue_dict)
defaultdict(list, {1: ['a'], 2: ['b'], 4: ['d', 'e', 'f']})
...
How do I close a single buffer (out of many) in Vim?
...e is not talking about the w command. He put this warning there so people did not think the bw command meant buffer write (which it does not it means buffer wipeout.)
– John
Aug 24 '18 at 5:33
...
What is the best practice for making an AJAX call in Angular.js?
...st answer for ALL current versions of Angular as of today, 2013-12-05.
The idea is to create a service that 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)...