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Immutable vs Unmodifiable collection
...g. Is for true immutability you need an immutable collection that contains items of an immutable type.
– Evan Plaice
Feb 24 '14 at 9:58
1
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Difference between `npm start` & `node app.js`, when starting app?
...oesn't have server.js; the OP runs nodeapp.js )
I said I would list only 2 items, but are other possibilities (i.e. error cases). For example, if there is no package.json in the directory where you run npm start, you may see an error: npm ERR! enoent ENOENT: no such file or directory, open '.\packa...
What is the best method to merge two PHP objects?
We have two PHP5 objects and would like to merge the content of one into the second. There are no notion of subclasses between them so the solutions described in the following topic cannot apply.
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IntelliJ IDEA JDK configuration on Mac OS
...path to the direct JDK Home folder, not a symlink.
Invalidate Caches menu item is available under IntelliJ IDEA File menu.
Direct JDK path after the recent Apple Java update is:
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
In IDEA you can configure the new JSDK in File | Pro...
Best way to work with transactions in MS SQL Server Management Studio
...'.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f506602%2fbest-way-to-work-with-transactions-in-ms-sql-server-management-studio%23new-answer', 'question_page');
}
);
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Provide an image for WhatsApp link sharing
...go to ogp.me - but make sure to read steps 1 - 6 in this answer to get the best WhatsApp preview.
Please note: some apps or websites use cache or even store the website preview to their database. This means when you're testing your link in WhatsApp or Facebook for example, you'll most likely not see...
When to use std::size_t?
...
size_t is a very readable way to specify the size dimension of an item - length of a string, amount of bytes a pointer takes, etc.
It's also portable across platforms - you'll find that 64bit and 32bit both behave nicely with system functions and size_t - something that unsigned int might n...
Why is std::map implemented as a red-black tree?
...the subtrees unbalanced here and there. Tricky!
Which type of tree is the best? AVL for sure. They are the simplest to code, and have their worst height nearest to logn. For a tree of 1000000 elements, an AVL will be at most of height 29, a RB 40, and a weight balanced 36 or 50 depending on the rat...
Performing regex Queries with pymongo
...'}})
This will match all documents that have a files property that has a item within that starts with File
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Best way to compare 2 XML documents in Java
I'm trying to write an automated test of an application that basically translates a custom message format into an XML message and sends it out the other end. I've got a good set of input/output message pairs so all I need to do is send the input messages in and listen for the XML message to come ou...