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How is an overloaded method chosen when a parameter is the literal null value?
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Source: https://docs.oracle.com/javase/specs/jls/se8/html/jls-15.html#jls-15.12.2.5
Concept: Most specific method
Explanation: If more than one member method is both accessible and applicable to a method invocation, it is necessar...
Preview an image before it is uploaded
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$("#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 type='file' id="imgInp" />
<img id="blah" src="#" alt="your image" />
</form>
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How to prevent page scrolling when scrolling a DIV element?
...= ( delta < 0 ? 1 : -1 ) * 30;
e.preventDefault();
});
Live demo: https://jsbin.com/howojuq/edit?js,output
So you manually set the scroll position and then just prevent the default behavior (which would be to scroll the DIV or whole web-page).
Update 1: As Chris noted in the comments belo...
jQuery.click() vs onClick
...ing -> http://www.quirksmode.org/js/events_tradmod.html
MDN Reference: https://developer.mozilla.org/en-US/docs/DOM/event
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Configure WAMP server to send email
...great, you still need to open the email on some client.
I found Papercut: https://papercut.codeplex.com/
For configuration it's easy as Test Mail Server Tool (pratically zero-conf), and it also serves as an email client, with views for the Message (great for HTML emails), Headers, Body (to inspect...
Can't compile project when I'm using Lombok under IntelliJ IDEA
...ent. Here is another way to use Project Lombok with IntelliJ IDEA:
Visit https://projectlombok.org/download
Download the JAR file into the project lib directory (e.g., $HOME/dev/java/project/libs).
Start the IDE.
Click File ???? Settings.
Expand Build, Execution, Deployment ???? Compiler ???? Anno...
Prevent BODY from scrolling when a modal is opened
...uces .modal-open on the body (so we can nuke the scroll there)
See this: https://github.com/twitter/bootstrap/pull/6342 - look at the Modal section.
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super() raises “TypeError: must be type, not classobj” for new-style class
...classes merely construct new objects of type instance). Partial reference: https://stackoverflow.com/a/9699961/42973.
PS: The difference between a new-style class and an old-style one can also be seen with:
>>> type(OldStyle) # OldStyle creates objects but is not itself a type
classobj
&...
How to import a module given its name as string?
...or .pyo) exists, it will be used instead of parsing the given source file. https://docs.python.org/2/library/imp.html#imp.load_source
– cdosborn
Jun 30 '15 at 21:07
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@synthesize vs @dynamic, what are the differences?
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As per the documentation:
https://developer.apple.com/library/mac/documentation/cocoa/conceptual/ObjCRuntimeGuide/Articles/ocrtDynamicResolution.html
@dynamic tells the compiler that the accessor methods are provided at runtime.
With a little bit of...