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How to merge images in command line? [closed]
... course the pixmap versions are way larger than the PNGs, so expect to use more storage.
– Alfe
Jul 23 '18 at 8:42
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Is it a good idea to index datetime field in mysql?
...days, but as long as it's less than about 1/3 of the total rows it will be more efficient to use an index on the column.
Your question about creating an efficient database is very broad. I'd say to just make sure that it's normalized and all appropriate columns are indexed (i.e. ones used in joins...
Why does this async action hang?
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36
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Split list into multiple lists with fixed number of elements
...Empty) Nil
else (xs take n) :: split(xs drop n, n)
or even (slightly) more efficiently using splitAt:
def split[A](xs: List[A], n: Int): List[List[A]] =
if (xs.isEmpty) Nil
else {
val (ys, zs) = xs.splitAt(n)
ys :: split(zs, n)
}
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...tside classes it fixes the error. I'm going edit my answer a little to be more precise about what I mean - i.e. they cause the exception, not that they extend the interface.
– samthebest
Mar 24 '14 at 18:51
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How do I call setattr() on the current module?
...scope, the latter is equivalent to:
vars()[name] = value
which is a bit more concise, but doesn't work from within a function (vars() gives the variables of the scope it's called at: the module's variables when called at global scope, and then it's OK to use it R/W, but the function's variables w...
Compare if two variables reference the same object in python
...s for numbers in this range. Try assigning something larger, i.e. 270. For more info look here
– ted
Jan 28 '16 at 13:57
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No EditorOptionDefinition Export Found Error
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After a reboot and some more research I found this post from a blog. The error described is not the same error I am seeing, however, it was close enough to warrant a try.
Follow the steps:
Close Visual Studio
Open the folder: %LocalAppData%\Micro...
SQL how to increase or decrease one for a int column in one command
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They both can handle your question. However, the first syntax allows for more flexibility to update the record rather than just replace it (as the second one does).
Keep in mind that for both to exist, there has to be a UNIQUE key defined...
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How do I escape reserved words used as column names? MySQL/Create Table
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@rjmunro - Doing so is somewhat more defensive as it protects you against new reserved keywords being introduced in later versions but I don't like the visual clutter.
– Martin Smith
Sep 17 '13 at 12:02
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