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Determine if running on a rooted device
My app has a certain piece of functionality that will only work on a device where root is available. Rather than having this feature fail when it is used (and then show an appropriate error message to the user), I'd prefer an ability to silently check if root is available first, and if not,hide the ...
Exploring Docker container's file system
I've noticed with docker that I need to understand what's happening inside a container or what files exist in there. One example is downloading images from the docker index - you don't have a clue what the image contains so it's impossible to start the application.
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Spring Boot + JPA : Column name annotation ignored
I have a Spring Boot application with dependency spring-boot-starter-data-jpa . My entity class has a column annotation with a column name. For example:
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How can I handle the warning of file_get_contents() function in PHP?
I wrote a PHP code like this
19 Answers
19
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Activity transition in Android
How can I define the transition between two activities for Android 1.5 and later?
I would like an activity to fade in.
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TINYTEXT, TEXT, MEDIUMTEXT, and LONGTEXT maximum storage sizes
Per the MySQL docs , there are four TEXT types:
4 Answers
4
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How to HTML encode/escape a string? Is there a built-in?
I have an untrusted string that I want to show as text in an HTML page. I need to escape the chars ' < ' and ' & ' as HTML entities. The less fuss the better.
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Pass ruby script file to rails console
Is there a way to pass ruby file, foo.rb to rails console. Expected results would be after console starts rails environment to run file.
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How to list containers in Docker
There's a command to list images, docker images , but there doesn't seem to be a corresponding docker containers .
14 Ans...
Smooth scroll to div id jQuery
I've been trying to get a scroll to div id jquery code to work correctly. Based on another stack overflow question i tried the following
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