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MongoDB: Find a document by non-existence of a field?
...operator:
db.mycollection.find({ "price" : { "$exists" : false } })
and see its documentation.
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NerdTree - Reveal file in tree
... @MrA you can just only create the NERDTree with the NERDTreeFind command - is that enough?
– Thomas
Jun 23 '13 at 19:56
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Disable pasting text into HTML form
... To do so, I wrote a cross-browser* implementation of Internet Explorer's (and others') onpaste event handler. My solution had to be independent of any third-party JavaScript libraries.
Here's what I came up with. It doesn't completely disable pasting (the user can paste a single character at a tim...
How to stop flask application without using ctrl-c
I want to implement a command which can stop flask application by using flask-script.
I have searched the solution for a while. Because the framework doesn't provide "app.stop()" API, I am curious about how to code this. I am working on Ubuntu 12.10 and Python 2.7.3.
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What is the status of JSR 305?
...ion JSR305 vs. JSR308 (Java Type Anotations) - Which is going to be the standard? and I understand the difference between JSR 308 and JSR 305 .
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How to sort an array of objects with jquery or javascript [duplicate]
...s been known to break under certain browsers. I'm using IE8 for a project, and it doesn't work for this scenario.
– Paolo del Mundo
Aug 13 '12 at 14:30
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Unique Constraint in Entity Framework Code First
...h unique constraints... you may want to create indexes, check constraints, and possibly triggers and other constructs too. Here's a simple pattern you can use with your code-first setup, though admittedly it's not database agnostic:
public class MyRepository : DbContext {
public DbSet<Whate...
Zipping streams using JDK8 with lambda (java.util.stream.Streams.zip)
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I needed this as well so I just took the source code from b93 and put it in a "util" class. I had to modify it slightly to work with the current API.
For reference here's the working code (take it at your own risk...):
public static<A, B, C> Stream<C> zip(Stream<? exte...
How to “undelete” a deleted folder in Subversion / TortoiseSVN?
...to a revision there your folder still exists, then right-click that folder and select "Copy to..." and enter the path there you want the folder to be re-created (probably the same path that is already in the text box).
shar...
How to send JSON instead of a query string with $.ajax?
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You need to use JSON.stringify to first serialize your object to JSON, and then specify the contentType so your server understands it's JSON. This should do the trick:
$.ajax({
url: url,
type: "POST",
data: JSON.stringify(data),
contentType: "application/json",
complete: cal...