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How to get last N records with activerecord?
... In Rails 4 the query generated by .last() is also optimal as Nick mentioned
– Jimmie Tyrrell
Jun 4 '14 at 6:32
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Batch: Remove file extension
...pands %I to the fully qualified name of
the first one found. If the environment variable name is
not defined or the file is not found by the search,
this modifier expands to the empty string.
...
Returning 'IList' vs 'ICollection' vs 'Collection'
...
Generally you should return a type that is as general as possible, i.e. one that knows just enough of the returned data that the consumer needs to use. That way you have greater freedom to change the implementation of the API, without breaking the code that is using it.
Consider also the IEnumer...
“Cannot evaluate expression because the code of the current method is optimized” in Visual Studio 20
...
Yes. I mentioned this fact in my question. I already answered my own question.
– Tony_Henrich
Aug 10 '10 at 16:30
1
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How to have an automatic timestamp in SQLite?
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@Matthieu There is DATETIME datatype mentioned in SQLite in the link which u have provided. Read 2.2 Affinity Name Examples
– Rafique Mohammed
Mar 13 '15 at 12:33
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How to asynchronously call a method in Java
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CompletableFuture was mentioned in another answer, but that one used the whole supplyAsync(...) chain. This is a simple wrapper that fits the question perfectly.
– ndm13
Feb 5 '18 at 15:20
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Efficient string concatenation in C++
...s really clever and optimizes out the return value copy. So we end up with one new string that contains the concatenation of a and " : ". Now, this happens:
(tmp1 + c)
calls string operator+(string const&, string const&)(tmp1, c)
=> tmp2 == <end result>
Compare that to the foll...
In Bash, how do I add a string after each line in a file?
How do I add a string after each line in a file using bash? Can it be done using the sed command, if so how?
6 Answers
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Find document with array that contains a specific value
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As someone new to Mongo coming from an RDBMS like MySQL, to find that such solutions work so simply without needing JOINs and additional tables makes me wonder why I haven't started on Mongo sooner. But that's not to say either DBMS...
Cannot find executable for CFBundle CertUIFramework.axbundle
... threads in Apple dev
forums and in StackOverflow about this problem, but none have a
definitive answer. This seems to be a SDK error to be fixed in the
next Xcode version.
Updated: October 3.
CREDIT - Please check this answer - Xcode 5 Error CertUIFramework.axbundle
Further Edit
Although this was ...