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Getting unique items from a list [duplicate]
...ed the sequence of unique items returned as a List<T>, you can add a call to ToList:
var uniqueItemsList = yourList.Distinct().ToList();
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Unit testing code with a file system dependency
...here's really nothing wrong with this, it's just a question of whether you call it a unit test or an integration test. You just have to make sure that if you do interact with the file system, there are no unintended side effects. Specifically, make sure that you clean up after youself -- delete an...
Interface naming in Java [closed]
...nsider that to be more important in terms of the naming convention. If you call the interface IUser then every consumer of that class needs to know its an IUser. If you call the class UserImpl then only the class and your DI container know about the Impl part and the consumers just know they're work...
What is the difference between IEnumerator and IEnumerable? [duplicate]
... and the MoveNext and Reset methods (which in .NET code you probably won't call explicitly, though you could).
An IEnumerable is a thing that can be enumerated...which simply means that it has a GetEnumerator method that returns an IEnumerator.
Which do you use? The only reason to use IEnumerator...
How to cast Object to its actual type?
...nt but is simple and does the job.
It performs two operations: firstly it calls .ToString() which is basiclly a serialization, and then the deserialization using Newtonsoft nuget (which you must install).
public T Format<T>(Object obj) =>
JsonConvert.DeserializeObject<T>(obj.ToS...
What is the proper way to use the node.js postgresql module?
... access to your database in your app to one file. Don't litter pg.connect calls or new clients throughout. Have a file like db.js that looks something like this:
module.exports = {
query: function(text, values, cb) {
pg.connect(function(err, client, done) {
client.query(text, valu...
Separate REST JSON API server and client? [closed]
...ates => JS.
SASS
We've built a harness for our front-end development called 'Spar' (Single Page App Rocketship) which is effectively the asset pipeline from Rails tuned for single page app development. We'll be open-sourcing within the next couple of weeks on our github page, along with a blo...
Define css class in django Forms
...and so is better for designers and one-off presentational changes: django-widget-tweaks. Hope somebody will find it useful.
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How can I use pickle to save a dict?
... in CPython(The default python that you probably have) the file is automatically closed whenever the file object expires (when nothing refers to it). In this case since nothing refers to the file object after being returned by open(), it will be closed as soon as load returns. This is not considered...
How to select all records from one table that do not exist in another table?
...l, ok i only want that are null. This way you now have all rows in A that didn't have a match In B
– Muhammad Umer
Mar 6 '18 at 18:02
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