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Removing all empty elements from a hash / YAML?
...e here for the benchmark.
In case you want to backport it to your Rails 3 app:
# config/initializers/rails4_backports.rb
class Hash
# as implemented in Rails 4
# File activesupport/lib/active_support/core_ext/hash/compact.rb, line 8
def compact
self.select { |_, value| !value.nil? }
e...
Get the client's IP address in socket.io
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Using the latest 1.0.6 version of Socket.IO and have my app deployed on Heroku, I get the client IP and port using the headers into the socket handshake:
var socketio = require('socket.io').listen(server);
socketio.on('connection', function(socket) {
var sHeaders = socket.han...
How to add a delay for a 2 or 3 seconds [closed]
...tops the execution of the current thread for 2 seconds.
Probably the most appropriate scenario for Thread.Sleep is when you want to delay the operations in another thread, different from the main e.g. :
MAIN THREAD --------------------------------------------------------->
(UI, CONSOL...
Change SQLite database mode to read-write
... This should be marked as the answer. In my case (A desktop app), it was related to Windows Compressing the database due to the main hard disk getting too low in space. I think windows will ask the user if he/she want to compress files in order to obtain space if the user says yes the...
Debugging doesn't start [closed]
When I hit F5 (debugging mode) nothing happens. Building works correctly, exe file I can launch properly, but can't start debug. Why?
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Cannot find or open the PDB file in Visual Studio C++ 2010
...t when I rebuild there is no change. Do you have another idea why this is happenning?
– Ege
Oct 18 '13 at 13:24
It wor...
IIS Express gives Access Denied error when debugging ASP.NET MVC
... enabled by setting
<windowsAuthentication enabled="true">
in the applicationhost.config file located at C:\Users[username]\Documents\IISExpress\config.
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How do I rename the android package name? [duplicate]
...the project com.example.test it will offer to rename test only. The same applies if I navigate to package name in .java or Manifest file and press Shift+F6.
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Multiple contexts with the same path error running web service in Eclipse using Tomcat
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If the app does not start even after this, go to the "Servers" tab next to Console and remove all the modules located inside the dropdown of server name. Rerun the project after this
– sss
Jan ...
PostgreSQL: Drop PostgreSQL database through command line [closed]
... Not helpful answer as for version 9. The error about opened connections appears still.
– Pavel Vlasov
Apr 17 '14 at 9:25
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