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NSOperation vs Grand Central Dispatch
...uses. GCD has no real concept of dependencies, where NSOperationQueues can set up pretty complex dependency graphs. I use NSOperationQueues for this in a handful of cases.
Overall, while I usually advocate for using the highest level of abstraction that accomplishes the task, this is one case where...
How to update gradle in android studio?
...
Step 1 (Use default gradle wrapper)
File→Settings→Build, Execution, Deployment→Build Tools→Gradle→Use default Gradle wrapper (recommended)
Step 2 (Select desired gradle version)
File→Project Structure→Project
The following table shows compatibility bet...
Python: Making a beep noise
... make the computer make a beep sound:
import winsound
frequency = 2500 # Set Frequency To 2500 Hertz
duration = 1000 # Set Duration To 1000 ms == 1 second
winsound.Beep(frequency, duration)
The winsound.Beep() can be used wherever you want the beep to occur.
...
Twitter oAuth callbackUrl - localhost development
...
Alternative 1.
Set up your .hosts (Windows) or etc/hosts file to point a live domain to your localhost IP. such as:
127.0.0.1 xyz.com
where xyz.com is your real domain.
Alternative 2.
Also, the article gives the tip to alternatively...
.NET: Which Exception to Throw When a Required Configuration Setting is Missing?
...ation of a missing value, you might consider writing your own ConfigurationSettingMissing exception:
[Serializable]
public class ConfigurationMissingException : ConfigurationErrorsException
{}
EDIT: Writing your own exception in this case carries the added benefit of guaranteeing that there will...
How to search and replace globally, starting from the cursor position and wrapping around the end of
...irst line of the file to the line where the previous context
mark has been set, minus one. Since the first :substitute command
stores the cursor position before starting actual replacements, the
line addressed by '' is the line that was the current one before
that substitution command was run. (The...
A CSS selector to get last visible div
...hiding class. This always selects the same what is hidden because both are set by the same CSS class. So your answer goes in the right direction but not far enough. :-)
– ygoe
Nov 21 '19 at 9:09
...
Are there console commands to look at whats in the queue and to clear the queue in Sidekiq?
...n a good way to import/migrate resque scheduled jobs to sidekiq's format? Setting sidekiq's namespace to 'resque' doesn't seem to pick up scheduled jobs from what I can tell. Thanks!
– Brian Armstrong
Aug 28 '13 at 23:58
...
Changing the default header comment license in Xcode
... file named IDETemplateMacros.plist
Add a FILEHEADER value to the Root and set its string value with your copyright text like Copyright © 2017 ...
Copy the file to one of the following locations
For a single project and user
<ProjectName>.xcodeproj/xcuserdata/[username].xcuserdatad/IDETempl...
No route matches [GET] /assets
... to test in the production environment. I ran RAILS_ENV=production rake assets:precompile which generated all of my assets in /public/assets. The problem is that when I start my app w/ RAILS_ENV=production rails s thin I get:
...