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How can you detect the version of a browser?
...book browser (launched when you click web links within the Facebook app on Android). The useragent string looks something like: Mozilla/5.0 (Linux; Android 5.0; Nexus 9 Build/LRX21R; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/45.0.2454.95 Safari/537.36 [FB_IAB/FB4A;FBAV/50.0.0.10....
How to upgrade PostgreSQL from version 9.6 to version 10.1 without losing data?
I'm using the PostgreSQL database for my Ruby on Rails application (on Mac OS X 10.9).
15 Answers
...
demystify Flask app.secret_key
...e:
... security_log(cookie)
Hash-based Message Authentication Code (HMAC)
The type of signature generated above that requires a secret key to ensure the integrity of some contents is called in cryptography a Message Authentication Code or MAC.
I specified earlier that the example above is an...
How to get the absolute coordinates of a view
...was a known bug that getLocationOnScreen gives a null pointer exception in Android v1.5 (the platform I'm coding for), but testing in v2.1 didn't work any better. Both methods gave me 0s for everything. I included a code snippet above.
– Steve Haley
Feb 9 '10 a...
How can I trigger a JavaScript event click
...
.click() does not work with Android (look at mozilla docs, at mobile section). You can trigger the click event with this method:
function fireClick(node){
if (document.createEvent) {
var evt = document.createEvent('MouseEvents');
ev...
How to compare two Dates without the time portion?
...for the time zone yourself, which I don't recommend.)
Quick reference for android developers
//Add joda library dependency to your build.gradle file
dependencies {
...
implementation 'joda-time:joda-time:2.9.9'
}
Sample code (example)
DateTimeComparator dateTimeComparator = DateTime...
This Handler class should be static or leaks might occur: IncomingHandler
I'm developing an Android 2.3.3 application with a service. I have this inside that service to communicate with Main activity:
...
Is JavaScript supported in an email message?
...ent.write('test'); </script> in my test emails. Same for Outlook for Android 2.2.44, K-9 for Android 5.208, Gmail webmailer (tested 06.11.2017) and Roundcube webmailer 0.9.5. So I would agree to those saying it does not work in most (modern) clients. It is true that most users use webmailers,...
How can I update a single row in a ListView?
...index); and change the view. Both solutions work!!
– AndroidDev
Jan 11 '13 at 6:43
what would happen if i just call ge...
How can HTML5 “replace” Flash? [closed]
... On the side of SJ, I've seen sites that bring my powerhouse of a machine to it's knees by Flash based ads. These are admittedly badly done flash ads, but it is flash. Now on a mobile phone an ad that can cause the cpu to spike to 100% is not good and I stand by SJ assertion that Flash is ...