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Adding a cross-reference to a subheading or anchor in another page

... because it works across files, when section headings are changed, and for all builders that support cross-references. RST, in General The tools that convert RST files to HTML do not necessarily have a notion of collection. This is the case for instance if you rely on github to convert RST files ...
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How to detect if a function is called as constructor?

...oking at the ECMAScript 3rd edition spec, the steps taken when new x() is called are essentially: Create a new object Assign its internal [[Prototype]] property to the prototype property of x Call x as normal, passing it the new object as this If the call to x returned an object, return it, otherw...
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What does `:_*` (colon underscore star) do in Scala?

...tes: MetaData, scope: NamespaceBinding, child: Node*) which is called as new Elem(prefix, label, attributes, scope, child1, child2, ... childN) but here there is only a sequence, not child1, child2, etc. so this allows the result sequence to be used as the input to the constru...
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Entity Framework - Code First - Can't Store List

... This is the only really correct answer IMHO. All the others require you to change your model, and that violates the principle that domain models should be persistence ignorant. (It is fine if you are using separate persistence and domain model...
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ASP.NET MVC - Attaching an entity of type 'MODELNAME' failed because another entity of the same type

...'Modified'. Before changing the state, the state is set to 'Detached' but calling Attach() does throw the same error. I'm using EF6. ...
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Run a Python script from another Python script, passing in arguments [duplicate]

... I believe it's generally preferable to use subprocess.Popen over os.system: docs.python.org/library/subprocess.html#replacing-os-system. – Katriel Sep 23 '10 at 20:15 ...
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What is a good regular expression to match a URL? [duplicate]

... I changed your expression a bit so it will work in all cases i need, including uri with http:// or www "/([^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/gi" – Ismael Jan 14 '15 at 11:08 ...
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Update multiple rows in same query using PostgreSQL

... This is wrong... You will update all rows, even if it is not '123' nor '345'. You should use WHERE column_b IN ('123','456')... – MatheusOl Sep 14 '13 at 3:54 ...
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MySQL, update multiple tables with one query

...ookID is very important, without it The Books table update would happen to all rows and not only for the row with the specified id. Some lessons are learned the hard way, this one was learned in the terrifing way. – nheimann1 Mar 24 '15 at 15:06 ...
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Python 2.7: Print to File

... In Python 3.0+, print is a function, which you'd call with print(...). In earlier version, print is a statement, which you'd make with print .... To print to a file in Python earlier than 3.0, you'd do: print >> f, 'what ever %d', i The >> operator directs pr...