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How do I search for an object by its ObjectId in the mongo console?
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Wow, I had no idea this was something special in MongoDB wasted a bit of time thinking my problem was elsewhere, but finding it just required additional rules. for what it's worth people using express and node will need to require ObjectI...
Decoding and verifying JWT token using System.IdentityModel.Tokens.Jwt
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The idea of an "answer" is to address a question, not pose a puzzle by expecting someone to solve some sort of reverse-intention puzzle. Bedsides, knowing how to encode does not necessarily mean that you also then know how to de...
How to extract the n-th elements from a list of tuples?
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the *list syntax is pretty useful. any idea where this is described in the official python documentation?
– user1748155
Oct 10 '13 at 20:50
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POST JSON fails with 415 Unsupported media type, Spring 3 mvc
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No idea why this isn't more documented. This problem made me waste so much time. Thank you very much!
– Hugo Nava Kopp
Nov 30 '16 at 10:58
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How do I get the current username in Windows PowerShell?
...ty module and the Microsoft.PowerShell.Management that has the cmdlet. Any idea what's happening?
– not2qubit
Feb 4 '19 at 15:20
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How to determine the version of the C++ standard used by the compiler?
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Checking for features is probably a better idea than checking standard versions, anyway. Few compilers support everything from a standard, but if they all support the limited number of features you need, then it doesn't really matter whether the rest of the features f...
How to execute an .SQL script file using c#
...soft SQL Server\120\SDK\Assemblies\Microsoft.SqlServer.Smo.dll
I have no idea if those are the right dll:s to use since there are several folders in C:\Program Files\Microsoft SQL Server but in my application these two work.
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PHP array_filter with arguments
...an actually find an example in the comments on the documentation page. The idea is that you create an object with the desired state ($num) and the callback method (taking $i as an argument):
class LowerThanFilter {
private $num;
function __construct($num) {
$this-&g...
Rspec doesn't see my model Class. uninitialized constant error
...ter an error where in the model is not found e.g. cannot load such file -- idea, try adding this on top of your spec/spec_helper.rb
require 'rubygems'
ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", __FILE__)
Reason: seems that spec_helper is not loading the Rails...
How to detect the physical connected state of a network cable/connector?
...nd.waitlink() uses rtnetlink, and net.backend.waitdevice() uses udev)
The idea of NCD is that you use it exclusively to configure the network, so normally, configuration commands would come in between, such as:
process foo {
# Wait for device to appear and be configured by udev.
net.backen...