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Node.js / Express.js - How does app.router work?
...wd()));
app.get('/users', users.list);
app.post('/users', users.create);
Read more about changes in Express 4.
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Difference between git checkout --track origin/branch and git checkout -b branch origin/branch
...at is, as commented by Sebastian Graf, if the local branch did not exist already.
If it did, you would need git checkout -B abranch origin/abranch)
Note: with Git 2.23 (Q3 2019), that would use the new command git switch:
git switch -c <branch> --track <remote>/<branch>
If...
What is the __del__ method, How to call it?
I am reading a code. There is a class in which __del__ method is defined. I figured out that this method is used to destroy an instance of the class. However, I cannot find a place where this method is used. The main reason for that is that I do not know how this method is used, probably not like ...
What's the difference between a catalog and a schema in a relational database?
..._index, pg_trigger, and pg_constraint. (2) ANSI (information_schema), the read-only view of that same system catalog defined by the SQL standard as information_schema. A better name for the "Catalogs" node in pgAdmin might be "System" or "System Tables".
– Basil Bourque
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Convert JavaScript string in dot notation into an object reference
... if x was a generic object like x={}, then x[1] would become x["1"]... you read that right... yup...
Javascript Arrays (which are themselves instances of Object) specifically encourage integer keys, even though you could do something like x=[]; x["puppy"]=5;.
But in general (and there are exceptio...
How do arrays in C# partially implement IList?
...ll, sure you think it is incorrect. You cannot make it jive with what you read in the specs. Please feel free to see it your way, but you'll never come up with a good explanation why GetInterfaceMap() fails. "Something funky" is not much of an insight. I'm wearing implementation glasses: of cour...
How do you track record relations in NoSQL?
...? For example, changes his name, and he wrote some comments. His name is already changed in user collection, but how to change all the redundantly stored names in the comments collection?
– Mohammad Kermani
Oct 8 '18 at 14:35
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Why is “except: pass” a bad programming practice?
...w that there is a chance of an exception being thrown. As such, you also already have an approximate idea of what can break and what exception can be thrown. In such cases, you catch an exception because you can positively recover from it. That means that you are prepared for the exception and have ...
PHP Function Comments
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That's phpDoc syntax.
Read more here: phpDocumentor
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What is the difference between RDF and OWL? [closed]
...hip between a person and a person. It also allows you to describe in human readable text the meaning of a relationship or a class. This is a schema. It tells you legal uses of various classes and relationships. It is also used to indicate that a class or property is a sub-type of a more general type...