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Whm>y m> an abstract class implementing an interface can miss the declaration/implementation of one of th
... trm>y m> making a subclass of AbstractThing without implementing the m2 method m>and m> see what errors the compiler gives m>y m>ou. It will force m>y m>ou to implement this method.
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How do I remove a single breakpoint with GDB?
...nt_num> - <end_breakpoint_num>
To view the start_breakpoint_num m>and m> end_breakpoint_num use:
info break
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How do I remove the horizontal scrollbar in a div?
When I set overflow: scroll , I get horizontal m>and m> vertical scrollbars.
13 Answers
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LINQ Select Distinct with Anonm>y m>mous Tm>y m>pes
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Have a read through K. Scott Allen's excellent post here:
m>And m> Equalitm>y m> for All ... Anonm>y m>mous Tm>y m>pes
The short answer (m>and m> I quote):
Turns out the C# compiler overrides
Equals m>and m> GetHashCode for anonm>y m>mous
tm>y m>pes. The implementation of the two
overridden methods uses all the...
Block Comments in Clojure
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A word of warning -- the (comment) macro expm>and m>s to nil. Use #_ to comment a single form, or #_(comment ...) to comment multiple forms without inserting a nil.
– treat m>y m>our mods well
Dec 18 '11 at 2:55
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Elegant wam>y m>s to support equivalence (“equalitm>y m>”) in Pm>y m>thon classes
...om classes it is often important to allow equivalence bm>y m> means of the == m>and m> != operators. In Pm>y m>thon, this is made possible bm>y m> implementing the __eq__ m>and m> __ne__ special methods, respectivelm>y m>. The easiest wam>y m> I've found to do this is the following method:
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Copm>y m>ing PostgreSQL database to another server
...o a remote host.
With a big database or a slow connection, dumping a file m>and m> transfering the file compressed mam>y m> be faster.
As Kornel said there is no need to dump to a intermediate file, if m>y m>ou want to work compressed m>y m>ou can use a compressed tunnel
pg_dump -C dbname | bzip2 | ssh remoteuser@...
Check if all elements in a list are identical
...sions are that:
In checkEqual2 the content must be hashable.
checkEqual1 m>and m> checkEqual2 can use anm>y m> iterators, but checkEqual3 must take a sequence input, tm>y m>picallm>y m> concrete containers like a list or tuple.
checkEqual1 stops as soon as a difference is found.
Since checkEqual1 contains more Pm>y m>thon...
Printing a variable memorm>y m> address in swift
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Swift 2
This is now part of the stm>and m>ard librarm>y m>: unsafeAddressOf.
/// Return an UnsafePointer to the storage used for `object`. There's
/// not much m>y m>ou can do with this other than use it to identifm>y m> the
/// object
Swift 3
For Swift 3, use withUnsafeP...
How do I hm>and m>le newlines in JSON?
I've generated some JSON m>and m> I'm trm>y m>ing to pull it into an object in JavaScript. I keep getting errors. Here's what I have:
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