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Add new field to every document in a MongoDB collection
...to add a new_field to all your collection, you have to use empty selector, and set multi flag to true (last param) to update all the documents
db.your_collection.update(
{},
{ $set: {"new_field": 1} },
false,
true
)
EDIT:
In the above example last 2 fields false, true specifies the upser...
Angularjs - display current date
I got a view in angularjs and I'm just trying to display the current date(formatted). I thought something like <span>{{Date.now() | date:'yyyy-MM-dd'}}</span> should display the current date.
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jQuery UI accordion that keeps multiple sections open?
...doesn't allow more than
one content panel to be open at the
same time, and it takes a lot of
effort to do that. If you are looking
for a widget that allows more than one
content panel to be open, don't use
this. Usually it can be written with a
few lines of jQuery instead, something
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What do (lambda) function closures capture?
Recently I started playing around with Python and I came around something peculiar in the way closures work. Consider the following code:
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Chrome refuses to execute an AJAX script due to wrong MIME type
I'm trying to access a script as JSON via AJAX, which works fine on Safari and other browsers but unfortunately will not execute in Chrome. It's coming with the following error:
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How to find all duplicate from a List? [duplicate]
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In .NET framework 3.5 and above you can use Enumerable.GroupBy which returns an enumerable of enumerables of duplicate keys, and then filter out any of the enumerables that have a Count of <=1, then select their keys to get back down to a singl...
What is “incremental linking”?
I've looked at Microsoft's MSDN and all around the web, but I still haven't been able to get a really good idea of what it is.
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Get current URL of UIWebView
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I actually evaluate "document.URL" and not "window.location" (which was always blank for me). This is useful for internal adjustments to the page URL on JS heavy sites that might not use traditional page loads.
– SmartyP
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jQuery clone() not cloning event bindings, even with on()
...f custom jQuery events for use in mobile web applications. They work great and have been tested. However, I have run into a small problem which I am having trouble understanding.
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The “backspace” escape character '\b': unexpected behavior?
So I'm finally reading through K&R , and I learned something within the first few pages, that there is a backspace escape character, \b .
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