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How do I manage MongoDB connections in a Node.js web application?
...
try {
const db = req.app.locals.db;
const id = new ObjectID(req.params.id);
const user = await db.collection('user').findOne({ _id: id }, {
email: 1,
firstName: 1,
lastName: 1
});
if (user) {
user.id = req.params.id;
res.send(user);
} else {
...
Will the base class constructor be automatically called?
...onstructor is when the constructors below the current type need additional parameters. For example:
public class Base
{
public int SomeNumber { get; set; }
public Base(int someNumber)
{
SomeNumber = someNumber;
}
}
public class AlwaysThreeDerived : Base
{
public A...
How to cancel/abort jQuery AJAX request?
...an five seconds, what will happen?
You shouldn't abort the request if the parameter passing with the request is not changing.
eg:- the request is for retrieving the notification data.
In such situations, The nice approach is that set a new request only after completing the previous Ajax request.
...
How to log PostgreSQL queries?
...
PostgreSQL doesn't have a way to change its parameters via SQL statements yet (as of 9.2). Most logging parameters can be changed without a full server restart, by just doing pg_ctl reload instead. However, it takes a restart to change logging_collector.
...
How do I POST urlencoded form data with $http without jQuery?
...to do is to transform your data from object not to JSON string, but to url params.
From Ben Nadel's blog.
By default, the $http service will transform the outgoing request by
serializing the data as JSON and then posting it with the content-
type, "application/json". When we want to post the value ...
What is Angular.noop used for?
...that can be used as a placeholder when you need to pass some function as a param.
function foo (callback) {
// Do a lot of complex things
callback();
}
// Those two have the same effect, but the later is more elegant
foo(function() {});
foo(angular.noop);
...
How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
...ase it could be further simplified by removing the unused body and request params.)
– Jonik
Apr 27 '13 at 9:18
add a comment
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How to use Sphinx's autodoc to document a class's __init__(self) method?
... Enable documenting "special methods" using the autodoc_ extension.
:param app: The Sphinx application object.
This function connects the :func:`special_methods_callback()` function to
``autodoc-skip-member`` events.
.. _autodoc: http://www.sphinx-doc.org/en/stable/ext/autodoc.ht...
Are there conventions on how to name resources?
...mixedCase" for attributes, and the use of "layout_blah" to identify layout param attributes.
Also browsing through the public resources here should give a good feel for the conventions:
http://developer.android.com/reference/android/R.html
You'll see the attributes are all quite consistent (given...
Use of class definitions inside a method in Java
...
public void run() {
classWithMethodToFire.doSomething( parameter );
}
});
If you needed to create a bunch of these and do something with them, you might change this to
//within some method
class myFirstRunnableClass implements Runnable {
public void run() ...