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Postgres - FATAL: database files are incompatible with server
...an run the below command to upgrade your postgres data directory retaining all data:
brew postgresql-upgrade-database
The above command is taken from the output of brew info postgres
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impr...
What is the difference between SessionState and ViewState?
... saved on the server, ViewState is saved in the page.
Session state is usually cleared after a period of inactivity from the user (no request happened containing the session id in the request cookies).
The view state is posted on subsequent post back in a hidden field.
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disable the swipe gesture that opens the navigation drawer in android
... to do that? I am curious because I'm trying to implement the new ToolBar (API 21) and use the SlidingTabLayout feature it has, which is conflicting with my Nav. drawer swiping. So I'd rather disable the Nav. drawer slide in favor of the ToolBar sliding feature.
– Azurespot
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Count with IF condition in MySQL query
...s though.)
As for COALESCE() as mentioned in other answers, many language APIs automatically convert NULL to '' when fetching the value. For example with PHP's mysqli interface it would be safe to run your query without COALESCE().
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What Does 'Then' Really Mean in CasperJS
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then() basically adds a new navigation step in a stack. A step is a javascript function which can do two different things:
waiting for the previous step - if any - being executed
waiting for a requested url and related page to load
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How do I find out with jQuery if an element is being animated?
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if( $(elem).is(':animated') ) {...}
More info: https://api.jquery.com/animated-selector/
Or:
$(elem)
.css('overflow' ,'hidden')
.animate({/*options*/}, function(){
// Callback function
$(this).css('overflow', 'auto');
};
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What is the difference between compile and link function in angularjs
...ulation of tElement = template element), hence manipulations that apply to all DOM clones of the template associated with the directive.
link function - use for registering DOM listeners (i.e., $watch expressions on the instance scope) as well as instance DOM manipulation (i.e., manipulation of iEle...
How do I convert a byte array to Base64 in Java?
...
Additionally, for our Android friends (API Level 8):
import android.util.Base64
...
Base64.encodeToString(bytes, Base64.DEFAULT);
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Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider
...:
<script src="angular.js">
<script src="angular-route.js">
API Reference
You also have to add ngRoute as a dependency for your application:
var app = angular.module('MyApp', ['ngRoute', ...]);
If instead you are planning on using angular-ui-router or the like then just remove the...
Why should I implement ICloneable in c#?
...Copy() method (or similar name) and make it perfectly clear in your public API whether your method is creating a deep or shallow copy of your object.
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