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Python: Best way to add to sys.path relative to the current running script

...o have a library located in project/lib and want the scripts to automatically load it. This is what I normally use at the top of each script: ...
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PHP: Storing 'objects' inside the $_SESSION

I just figured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved....
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Which @NotNull Java annotation should I use?

... with each others' @NotNull / @NonNull / @Nonnull annotation and listing all of them in my code would be terrible to read. Any suggestions of which one is the 'best'? Here is the list of equivalent annotations I've found: ...
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How to join two JavaScript Objects, without using JQUERY [duplicate]

... merge them and crete a single json object. The resultant json should have all the values from obj2 and the values from obj1 which is not present in obj2. ...
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How to call base.base.method()?

...Derived { public override void Say() { Console.WriteLine("Called from Special Derived."); var ptr = typeof(Base).GetMethod("Say").MethodHandle.GetFunctionPointer(); var baseSay = (Action)Activator.CreateInstance(typeof(Action), this, ptr); baseSay(...
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How to paste yanked text into the Vim command line

...you know how to use them you cannot live without them. Registers are basically storage locations for strings. Vim has many registers that work in different ways: 0 (yank register: when you use y in normal mode, without specifying a register, yanked text goes there and also to the default register...
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Force CloudFront distribution/file update

... Good news. Amazon finally added an Invalidation Feature. See the API Reference. This is a sample request from the API Reference: POST /2010-08-01/distribution/[distribution ID]/invalidation HTTP/1.0 Host: cloudfront.amazonaws.com Authorization:...
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How to model type-safe enum types?

...ample above) does not offer exhaustive pattern matching. I have researched all the different enumeration patterns currently being used in Scala and give and overview of them in this StackOverflow answer (including a new pattern which offers the best of both scala.Enumeration and the "sealed trait +...
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What's the difference between echo, print, and print_r in PHP?

...s, although such usage is rare; echo is slightly faster than print. (Personally, I always use echo, never print.) var_dump prints out a detailed dump of a variable, including its type and the type of any sub-items (if it's an array or an object). print_r prints a variable in a more human-readable f...
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How can I remove a character from a string using Javascript?

I am so close to getting this, but it just isn't right. All I would like to do is remove the character r from a string. The problem is, there is more than one instance of r in the string. However, it is always the character at index 4 (so the 5th character). ...