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Can I use Class.newInstance() with constructor arguments?
I would like to use Class.newInstance() but the class I am instantiating does not have a nullary constructor. Therefore I need to be able to pass in constructor arguments. Is there a way to do this?
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How can I select rows with most recent timestamp for each key value?
I have a table of sensor data. Each row has a sensor id, a timestamp, and other fields. I want to select a single row with latest timestamp for each sensor, including some of the other fields.
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How to avoid “too many parameters” problem in API design?
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Is there a zip-like function that pads to longest length in Python?
Is there a built-in function that works like zip() but that will pad the results so that the length of the resultant list is the length of the longest input rather than the shortest input?
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Why is std::min failing when windows.h is included?
... if I include Windows.h? I can't use std::min in visual studio 2005. The error message is:
10 Answers
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simple HTTP server in Java using only Java SE API
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If you're using Eclipse and get an error like "Access restriction: The type HttpExchange is not accessible due to restriction on required library ...", stackoverflow.com/a/10642163 tells how to disable that access check.
– Samuli Pahaoja
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Detect when an image fails to load in Javascript
...) {
var tester=new Image();
tester.onload=imageFound;
tester.onerror=imageNotFound;
tester.src=URL;
}
function imageFound() {
alert('That image is found and loaded');
}
function imageNotFound() {
alert('That image was not found.');
}
testImage("http://foo.com/bar.jpg");
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What are queues in jQuery?
I found the jQuery.com document on queue() / dequeue() is too simple to understand. What exactly are queues in jQuery? How should I use them?
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file_put_contents(meta/services.json): failed to open stream: Permission denied
... This should be sudo chmod -R 777 app/storage. to avoid permission error.
– Olaitan Mayowa
Oct 8 '14 at 10:10
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Take the content of a list and append it to another list
I am trying to understand if it makes sense to take the content of a list and append it to another list.
7 Answers
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