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Maximum packet size for a TCP connection
...on and I run in to this a lot at work actually. There are a lot of "technically correct" answers such as 65k and 1500. I've done a lot of work writing network interfaces and using 65k is silly, and 1500 can also get you in to big trouble. My work goes on a lot of different hardware / platforms / ...
Why does pycharm propose to change method to static
...actually change the class instance. Hence the method could be static, i.e. callable without passing a class instance or without even having created a class instance.
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What is the correct way to create a single-instance WPF application?
...a 'Mutex' is a system object that is available to other processes, you typically want the name to be unique so it doesn't clash with other 'Mutex' names on the same system. In the article, the cryptic-looking string is a 'Guid'. You can generate this programmatically by calling System.Guid.NewGuid...
How do I declare a global variable in VBA?
...scope" and none worked. The only thing that worked was a new Module specifically for global vars and it works!
– Fandango68
Sep 27 '19 at 4:23
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Locking pattern for proper use of .NET MemoryCache
...get one instance of the Lazy object, and so you're also guaranteed to only call the expensive initialization method once.
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Django self-referential foreign key
... to make a model ("CategoryModel") with a field that points to the primary id of another instance of the model (its parent).
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Copy existing project with a new name in Android Studio
I would like to copy my Android project and create a new project from the same files just with a different name. The purpose of this is so I can have a second version of my app which is ad supported in the app store.
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Importing from builtin library when module with same name exists
Situation:
- There is a module in my project_folder called calendar
- I would like to use the built-in Calendar class from the Python libraries
- When I use from calendar import Calendar it complains because it's trying to load from my module.
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How to detect orientation change?
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According to the Apple docs:
This method is called when the view controller's view's size is changed by its parent (i.e. for the root view controller when its window rotates or is resized).
override func viewWillTransition(to size: CGSize, with coordinator: UIViewCont...
MySQL ON DUPLICATE KEY UPDATE for multiple rows insert in single query
... new row is inserted. I want to retain the old row for maintaining primary ids.
– Prashant
Apr 26 '10 at 15:21
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