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Find the extension of a filename in Ruby
I'm working on the file upload portion of a Rails app. Different types of files are handled differently by the app.
4 Answ...
Rails: where does the infamous “current_user” come from?
...d somewhere, usually in the session after logging in. It also assumes your app has and needs users, authentication, etc.
Typically, it's something like:
class ApplicationController < ActionController::Base
def current_user
return unless session[:user_id]
@current_user ||= User.find(se...
Can I change all my http:// links to just //?
...pache or IIS to test against http://localhost addresses works fine though.
Apparently there's at least one iPhone feed reader app that does not handle the protocol-less URLs correctly. I'm not aware of which one has the problem or how popular it is. For hosting a JavaScript file, that's not a big ...
How to create a directory if it doesn't exist using Node.js?
...
If you're performing this operation on app boot or initialization, then its fine to block execution as you'd do the same thing if you were to do it async. If you're making a directory as a recurring operation then its bad practice but probably won't cause any perf...
How do I enable MSDTC on SQL Server?
Is this even a valid question? I have a .NET Windows app that is using MSTDC and it is throwing an exception:
6 Answers
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How does a debugger work?
...ming from the windowing system, the OS will generate events based on what happens in the process being debugged – for example an exception occurring. See WaitForDebugEvent.
The debugger is able to read and write the target process' virtual memory, and even adjust its register values through APIs ...
Best way to randomize an array with .NET
...o remarks that System.Random "isn't threadsafe" and "only suitable for toy apps" due to returning a time-based sequence: as used in my example, Random() is perfectly thread-safe, unless you're allowing the routine in which you randomize the array to be re-entered, in which case you'll need something...
Check if a dialog is displayed with Espresso
...t.c.). Note that a dialog may be also displayed by a WebView , not by the application it self.
6 Answers
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Download File Using Javascript/jQuery
...eed the server to set the file's MIME Type to a nonsensical value, such as application/x-please-download-me or alternatively application/octet-stream, which is used for arbitrary binary data.
If you only want to open it in a new tab, the only way to do this is for the user to a click on a link with...
Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
...o it was the same version for all projects.
After that I just checked the App Config files to ensure any binding redirect lines were going to my chosen version as below.
<bindingRedirect oldVersion="0.0.0.0-6.0.0.0" newVersion="6.0.0.0" />
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