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HTML5 form required attribute. Set custom validation message?
... for marking oninput="setCustomValidity('')" as most important. This saved my day.
– singhpradeep
Jun 28 '17 at 3:36
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Change the maximum upload file size
... I have an upload form allowing people to upload mp3 files up to 30MB big. My server side script is done in PHP.
18 Answers...
How do I tell Spring Boot which main class to use for the executable jar?
My project has more than one class with a main method. How do I tell the Spring Boot Maven plugin which of the classes it should use as the main class?
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How can I remove the gloss on a select element in Safari on Mac?
...ound: url(data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllciAxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA0Ljk1IDEwIj48ZGVmcz48c3R5bGU+LmNscy0xe2ZpbGw6I2ZmZjt9LmNscy0ye2ZpbGw6IzQ0NDt9PC9zdHlsZT48L2RlZnM+PHRpdGxlPmFycm93czwvdGl0bGU+PHJlY3QgY2xhc3M9ImNscy0x...
Newline in string attribute
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Thanks! This solution fitted to my XAML-based serialization code very well.
– Seraphim
Jan 28 '17 at 14:11
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Comments in Android Layout xml
...mment with "<!--" then end your comment with "-->"
Example <!-- my comment goes here -->
Highlight the part you want to comment and press CTRL + SHIFT + /
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How do I create a unique constraint that also allows nulls?
...e constraint on a column which I am going to populate with GUIDs. However, my data contains null values for this columns. How do I create the constraint that allows multiple null values?
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Why not inherit from List?
When planning out my programs, I often start with a chain of thought like so:
27 Answers
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Given a class, see if instance has method (Ruby)
...t method_defined means ONLY methods that you defined explicitly with:
def my_method
end
then read this:
In Ruby, a property (attribute) on your model is basically a method also. So method_defined? will also return true for properties, not just methods.
For example:
Given an instance of a class...
Android: Clear Activity Stack
I'm having several activities in my application. and flow is very complicated. When I click the Logout application navigates to login Screen and from there user can exit by cancel button (calling system.exit(0) )
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