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Preview an image before it is uploaded
...lt);
}
reader.readAsDataURL(input.files[0]); // convert to base64 string
}
}
$("#imgInp").change(function() {
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input ...
How can I dynamically create derived classes from a base class
For example I have a base class as follows:
3 Answers
3
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JUnit: how to avoid “no runnable methods” in test utils classes
...it until after contributing another upvote that i can't remove. Make your base class abstract, then JUnit will ignore it. See @gmoore's answer below.
– Ryan Shillington
Mar 21 '17 at 21:57
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Including another class in SCSS
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Try this:
Create a placeholder base class (%base-class) with the common
properties
Extend your class (.my-base-class) with this placeholder.
Now you can extend %base-class in any of your classes (e.g. .my-class).
%base-class {
width: 80%;
margin-lef...
What is the difference between Debug and Release in Visual Studio?
...about the following issues? There are 3 configs in an ASP.NET MVC project: base (web), debug (web.debug), release (web.release). Assume we set debug and release connection string by transformation to the corresponding config (debug and release). When publishing, we can publish according to our selec...
How do you version your database schema? [closed]
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See
Is there a version control system for database structure changes?
How do I version my MS SQL database in SVN?
and Jeff's article
Get Your Database Under Version Control
I feel your pain, and I wish there were a better answer. This might be closer to what you wer...
How do I select the parent form based on which submit button is clicked?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
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The ConfigurationElement class (which is the base class of many config-related classes, like ConfigurationSection) has a method called OnRequiredPropertyNotFound (there are other helper methods too). You can maybe call those.
The OnRequiredPropertyNotFound is implemen...
Selecting data frame rows based on partial string match in a column
I want to select rows from a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like:
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Use gulp to select and move directories and their files
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You need to include the base option to src, which will preserve the file structure the way you want:
var filesToMove = [
'./_locales/**/*.*',
'./icons/**/*.*',
'./src/page_action/**/*.*',
'./manifest.json'
];
gu...