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Possible reason for NGINX 499 error codes
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Its happens on my Angular APP if the user closes the tab and my API requests does not get completed.
– Vivek Saurabh
Jun 26 at 7:20
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How do I check for null values in JavaScript?
... !user){
Which will check for empty strings (""), null, undefined, false and the numbers 0 and NaN
Please note that if you are specifically checking for numbers it is a common mistake to miss 0 with this method, and num !== 0 is preferred (or num !== -1 or ~num (hacky code that also checks agains...
Filtering by Multiple Specific Model Properties in AngularJS (in OR relationship)
... is the plunker
New plunker with cleaner code & where both the query and search list items are case insensitive
Main idea is create a filter function to achieve this purpose.
From official doc
function: A predicate function can be used to write arbitrary filters.
The function is called...
Why can't R's ifelse statements return vectors?
I've found R's ifelse statements to be pretty handy from time to time. For example:
9 Answers
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What is the difference between canonical name, simple name and class name in Java Class?
... uniqueness of canonical names within it by clashing fully qualified class and package names at compile time. However JVMs must accept such name clashes, and thus canonical names do not uniquely identifies classes within a ClassLoader. (In hindsight, a better name for this getter would have been get...
Java exception not caught?
...ptly for reason S, then the try statement completes abruptly for reason S (and reason R is discarded).
So, when there is a catch block that throws an exception:
try {
// ...
} catch (Exception e) {
throw new Exception("2");
}
but there is also a finally block that also throws an exceptio...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...code on, using the Pointer Lock API.
I forked this pointer-lock-demo repo and modified it to add a random movement element.
Here is the link to my GitHub page: https://aristocrates.github.io/pointer-lock-demo
And here is the link to my repo: https://github.com/aristocrates/pointer-lock-demo
The j...
Simplest way to read json from a URL in java
This might be a dumb question but what is the simplest way to read and parse JSON from URL in Java ?
11 Answers
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How to trace the path in a Breadth-First Search?
... return path
# enumerate all adjacent nodes, construct a new path and push it into the queue
for adjacent in graph.get(node, []):
new_path = list(path)
new_path.append(adjacent)
queue.append(new_path)
print bfs(graph, '1', '11')
Another appro...
What exactly do “IB” and “UB” mean?
I've seen the terms "IB" and "UB" used several times, particularly in the context of C++. I've tried googling them, but apparently those two-letter combinations see a lot of use. :P
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