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Is quitting an application frowned upon?
...Smalltalk, had the application and the development tools co-mingled in one setup. This concept did not catch on much, outside of language extensions to apps (e.g., VBA in Excel, Lisp in AutoCAD). Developers who came up with mental models that presumed the existence of development tools in the app it...
getActionBar() returns null
....
use
requestWindowFeature(Window.FEATURE_ACTION_BAR);
before calling setContentView() method.
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Default value of function parameter
...er list.
Now, keeping that in mind, in C++ you are allowed to "grow" the set of parameters that have default arguments from one declaration of the function to the next, as long as the above requirements are continuously satisfied.
For example, you can declare a function with no default arguments
...
What's the difference between an exclusive lock and a shared lock?
... for ReadWriteLock in java. Then Is there any flag raised or more priority set to say further new read threads to wait when write thread is started waiting? Because how to avoid starvation of write thread because of continuous read request?
– Kanagavelu Sugumar
...
Token Authentication for RESTful API: should the token be periodically changed?
...has expired')
return (token.user, token)
In your REST_FRAMEWORK settings add ExpiringTokenAuthentication as an Authentification class instead of TokenAuthentication:
REST_FRAMEWORK = {
'DEFAULT_AUTHENTICATION_CLASSES': (
'rest_framework.authentication.SessionAuthentication',...
Get image data url in JavaScript?
...
function getBase64FromImageUrl(url) {
var img = new Image();
img.setAttribute('crossOrigin', 'anonymous');
img.onload = function () {
var canvas = document.createElement("canvas");
canvas.width =this.width;
canvas.height =this.height;
var ctx = canvas....
How To fix white screen on app Start up?
...an, saved from lots of hassle. I was having hard time initially to get the setting point. It will be main theme block: inline ` <style name="AppTheme" parent="Theme.AppCompat.NoActionBar"> <item name="android:windowDisablePreview">true</item>` should be the entry po...
How to clear a chart from a canvas so that hover events cannot be triggered?
...lems with this
First I tried .clear() then I tried .destroy() and I tried setting my chart reference to null
What finally fixed the issue for me: deleting the <canvas> element and then reappending a new <canvas> to the parent container
My specific code (obviously there's a million w...
Easiest way to upgrade eclipse 3.7 to 4.2 (Juno)
...tially worked for me, going 3.8 to 4.5. It did a good job at migrating my settings/preferences, however I had to manually reinstall several plugins after the migrated versions 1) no longer worked, and 2) could not be updated within Eclipse.
– aroth
Jul 1 '16 a...
Google Maps JS API v3 - Simple Multiple Marker Example
...<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<title>Google Maps Multiple Markers</title>
<script src="http://maps.google.com/maps/api/js?sensor=false"
type="text/javascript"></script>
</head>
<body>
...