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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f
...le? I had changed my JAVA_HOME variable and this popped up. I just removed/readded the JRE library.
– user2124871
Sep 23 '16 at 15:15
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Clear variable in python
...onsidering that if someone (yourself some time later or a collaborator) is reading the code del, IMHO, makes it more obvious that the variable can be forgotten about when 'mentally parsing' the code.
– Pocketsand
May 27 '18 at 17:52
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What does “coalgebra” mean in the context of programming?
...find or come up with a good example or two :P.
Classes and Objects
After reading around a bit, I think I have a good idea of how to use coalgebras to represent classes and objects. We have a type C that contains all the possible internal states of objects in the class; the class itself is a coalge...
Ruby, remove last N characters from a string?
... you can use delete_suffix or delete_suffix! to achieve this in a fast and readable manner.
The docs on the methods are here.
If you know what the suffix is, this is idiomatic (and I'd argue, even more readable than other answers here):
'abc123'.delete_suffix('123') # => "abc"
'abc123'.del...
How to split a string literal across multiple lines in C / Objective-C?
...sides that it will collapse white-space, and could be confusing for people reading the code.
But, it has the up side that you don't need to escape quote characters inside it.
#define QUOTE(...) #__VA_ARGS__
const char *sql_query = QUOTE(
SELECT word_id
FROM table1, table2
WHERE table2.w...
How do I close a single buffer (out of many) in Vim?
...ottom of the screen and keeps the :bd command I initially typed untouched, ready to be completed.
Here's an example:
doc1.txt doc2.txt
:bd txt
I could backspace over the 'txt' bit and type in the file name I wish to delete, but where this becomes really convenient is that I don't have to: if I ...
Making a mocked method return an argument that was passed to it
... created an extra class that wraps the creation of the answer. So the code reads like when(...).then(Return.firstParameter())
– SpaceTrucker
Sep 26 '12 at 14:50
75
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How to wait for async method to complete?
...utReportViaInterruptTransfer();
await t;
}
// read some data from device; we need to wait for this to return
await RequestToGetInputReport();
}
}
private async Task RequestToGetInputReport()
{
// lots of code prior to this
int bytesRead = await GetIn...
Semicolon before self-invoking function? [duplicate]
...our style is to use semi-colons and you forget a semi-colon, then you've already created the error elsewhere and writing a ; at the start for "safety" is hogwash). No; in my case it is done for consistency with knowledge of my chosen style and "knowing" that starting a line with an operator can cont...
Select arrow style change
...T: It looks like Firefox doesn't support this feature up until version 35 (read more here)
There is a workaround here, take a look at jsfiddle on that post.
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