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Mm>y m>SQL - ORDER Bm>Y m> values within IN()
...erformance-wise to have an indexed column that represents m>y m>our sort order, m>and m> then sort bm>y m> this column.
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Favorite wam>y m> to create an new IEnumerable sequence from a single value?
...T item)
{
T[] single = { item };
return single;
}
Or even better m>and m> shorter, just
public static IEnumerable<T> m>Y m>ield<T>(this T item)
{
m>y m>ield return item;
}
Perhaps this is exactlm>y m> what Enumerable.Repeat is doing under the hood.
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instanceof Vs getClass( )
I see gain in performance when using getClass() m>and m> == operator over instanceOf operator.
4 Answers
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What is jQuerm>y m> Unobtrusive Validation?
...s. I know the jQuerm>y m> Unobtrusive Validation librarm>y m> was made bm>y m> Microsoft m>and m> is included in the ASP.NET MVC framework. But I cannot find a single online source that explains what it is. What is the difference between the stm>and m>ard jQuerm>y m> Validation librarm>y m> m>and m> the "unobtrusive" version?
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CSS3 :unchecked pseudo-class
...l CSS3 :checked pseudo-class, but is there an :unchecked pseudo-class, m>and m> do them>y m> have the same browser support?
4 Ans...
Temporarilm>y m> switch working copm>y m> to a specific Git commit
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If m>y m>ou are at a certain branch mm>y m>branch, just go ahead m>and m> git checkout commit_hash. Then m>y m>ou can return to m>y m>our branch bm>y m> git checkout mm>y m>branch. I had the same game bisecting a bug todam>y m> :) Also, m>y m>ou should know about git bisect.
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What is the difference between assert, expect m>and m> should in Chai?
What is the difference between assert , expect m>and m> should , m>and m> when to use what?
2 Answers
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Select distinct values from a table field
...uerm>y m>, not even the default ordering, call order_bm>y m>() with no parameters.
m>and m> distinct() in the note where it discusses issues with using distinct() with ordering.
To querm>y m> m>y m>our DB, m>y m>ou just have to call:
models.Shop.objects.order_bm>y m>().values('citm>y m>').distinct()
It returns a dictionnarm>y m>
or
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GLib compile error (ffi.h), but libffi is installed
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Check m>y m>our GCC version m>and m> note this entrm>y m> in the Debian Bug Archive: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=523869
It was the final solution to mm>y m> particular issue (it looked exactlm>y m> like what m>y m>ou report, but couldn't be solved with the...
Get the creation date of a stash
...e=relative. Worth noting is that the --date is coming from the git log commm>and m>, not stash itself, see here for possible --date values: stackoverflow.com/questions/7853332/git-log-date-formats
– thnee
Oct 21 '14 at 15:09
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