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What is this 'Waiting for Background operation' in Visual Studio 2012?
...ay happen during a plain old code edit, not on explicitly invoking any IDE command.
20 Answers
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When should I choose Vector in Scala?
...ause there is no need to do a copy-on-write for the complete object. (See: http://akka.io/docs/akka/1.1.3/scala/stm.html#persistent-datastructures)
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IllegalStateException: Can not perform this action after onSaveInstanceState with ViewPager
...nceState(outState);
}
In the end the proper solution was (as seen in the comments) to use :
transaction.commitAllowingStateLoss();
when adding or performing the FragmentTransaction that was causing the Exception.
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Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user
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stackoverflow.com/a/21151255/470749 helped me too because I guess my bind-address setting needed to be commented out. Granting remote privileges was not enough to get it to work.
– Ryan
Jun 16 '14 at...
Check if object exists in JavaScript
... if its always a string, you really could(should) do !== for the comparison.
– Micah
Dec 8 '12 at 14:02
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Spring Cache @Cacheable - not working while calling from another method of the same bean
...in the same class will not get the cached value.
From https://code.google.com/p/ehcache-spring-annotations/wiki/UsingCacheable
Only external method calls coming in through the proxy are
intercepted. This means that self-invocation, in effect, a method
within the target object calling anothe...
Changing API level Android Studio
...radle(Project: yourproject).
An example of build.gradle:
apply plugin: 'com.android.application'
android {
compileSdkVersion 28
buildToolsVersion "28.0.2"
defaultConfig {
applicationId "com.stackoverflow.answer"
minSdkVersion 21
targetSdkVersion 28
ve...
Automatically enter SSH password with script
...-p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM
Custom port example:
sshpass -p "YOUR_PASSWORD" ssh -o StrictHostKeyChecking=no YOUR_USERNAME@SOME_SITE.COM:2400
Notes:
sshpass can also read a password from a file when the -f flag is passed.
Using -f prevents t...
Firebase Storage How to store and Retrieve images [closed]
...images and other non-JSON data to a dedicated storage service. We highly recommend that you use this for storing images, instead of storing them as base64 encoded data in the JSON database.
You certainly can! Depending on how big your images are, you have a couple options:
1. For smaller images (u...
What is the difference between a Docker image and a container?
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