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POST JSON fails with 415 Unsupported media type, Spring 3 mvc
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No idea why this isn't more documented. This problem made me waste so much time. Thank you very much!
– Hugo Nava Kopp
Nov 30 '16 at 10:58
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Combine multiple Collections into a single logical Collection?
...ects in the lists aren't copied and ArrayList just allocates the space and calls System.arraycopy() under the hood. Can't get much more efficient than that.
– Qwerky
Feb 4 '11 at 10:21
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Django set field value after a form is initialized
...e after the form was submitted, you can use something like:
if form.is_valid():
form.cleaned_data['Email'] = GetEmailString()
Check the referenced docs above for more on using cleaned_data
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Is not an enclosing class Java
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This answer was really helpful, I never knew you could call new twice in a row (and I've done java for 8+ years!)
– PaulBGD
Sep 13 '15 at 0:58
1
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node.js remove file
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You can call fs.unlink(path, callback) for Asynchronous unlink(2) or fs.unlinkSync(path) for Synchronous unlink(2).
Where path is file-path which you want to remove.
For example we want to remove discovery.docx file from c:/book ...
Is there a way to dump a stack trace without throwing an exception in java?
...suggestion does), do:
Thread.currentThread().getStackTrace()
To find the caller, do:
private String getCallingMethodName() {
StackTraceElement callingFrame = Thread.currentThread().getStackTrace()[4];
return callingFrame.getMethodName();
}
And call that method from within the method tha...
When to throw an exception?
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In linguistics this is sometimes called presupposition failure. The classic example is due to Bertrand Russell: "Is the King of France bald" can't be answered yes or no, (resp. "The King of France is bald" is neither true nor false), because it contains a fa...
Is there a sleep function in JavaScript? [duplicate]
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If you are looking to block the execution of code with call to sleep, then no, there is no method for that in JavaScript.
JavaScript does have setTimeout method. setTimeout will let you defer execution of a function for x milliseconds.
setTimeout(myFunction, 3000);
// if you h...
How can I be notified when an element is added to the page?
...nt being inserted here,
// or a particular node being modified
// call the function again after 100 milliseconds
setTimeout( checkDOMChange, 100 );
}
Once this function is called, it will run every 100 milliseconds, which is 1/10 (one tenth) of a second. Unless you need real-time eleme...
JavaScript moving element in the DOM
...y, you'll need to use different selectors since the divs will retain their ids as they are moved around.
$(function() {
setInterval( function() {
$('div:first').insertAfter($('div').eq(2));
$('div').eq(1).insertBefore('div:first');
}, 3000 );
});
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