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Error: Can't set headers after they are sent to the client
...it like so: return res.send().
Take for instance this code:
app.post('/api/route1', function(req, res) {
console.log('this ran');
res.status(200).json({ message: 'ok' });
console.log('this ran too');
res.status(200).json({ message: 'ok' });
}
When a POST request is sent to /api/route1 ...
Java code for getting current time [duplicate]
...t in the way you like. For any additional information you can look in java api:
SimpleDateFormat
Calendar
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Java Enum definition
...ll be asking yourself what the point of this is :) Well, it means that the API for Enum can refer to itself - for instance, being able to say that Enum<E> implements Comparable<E>. The base class is able to do the comparisons (in the case of enums) but it can make sure that it only compa...
Why is it not advisable to have the database and web server on the same machine?
...your DB, the maximum exposure is what your app can do through the database API. If you have a business tier in between, you have one more step between your attacker and your data. If, on the other hand, your database is on the same server, the attacker now has root access to your data and server.
Sc...
Inserting HTML into a div
...em in the selected div.
See the JQuery docs for these functions:
http://api.jquery.com/append/
http://api.jquery.com/prepend/
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Force Java timezone as GMT/UTC
... execution. This also means it could be a problem if you do this inside an API/library (hidden from plain view) - be sure to document heavily what you are doing.
– Kevin Brock
Apr 14 '10 at 0:24
...
How to Create a circular progressbar in Android which rotates on it?
... android:useLevel="true"><!-- this line fixes the issue for lollipop api 21 -->
<gradient
android:angle="0"
android:endColor="#007DD6"
android:startColor="#007DD6"
android:type="sweep"
android:useLevel="false" />
...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...ni for writing code to find the name of a jupyter kernel using the jupyter api. This script was tested on MACOS with python3 and requires jupyter notebook, requests, json and psutil.
Put the script in your home directory and then usage looks like:
python ~/interrupt_bad_kernels.py
Interrupt kernel...
Rails: Default sort order for a rails model?
...
You can use default_scope to implement a default sort order
http://api.rubyonrails.org/classes/ActiveRecord/Scoping/Default/ClassMethods.html
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Difference between class and type
...ld be considered valid.
The Java type system, as exposed by the reflection API, has two types: Class<T> class and Type interface, which the former implements. In this system, a class (an element that is described by an instance of Class<T>) is any type created with the keyword class or i...