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Distinct in Linq based on only one field of the table
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What if groupby has more than 1 field?
– user585440
Jan 6 '16 at 2:01
6
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How to link to part of the same document in Markdown?
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In pandoc, if you use the option --toc in producing html, a table of contents will be produced with links to the sections, and back to the table of contents from the section headings. It is similar with the other formats pandoc writes,...
In Python script, how do I set PYTHONPATH?
...directories you pass. (That would not be the case with directories you specify in PYTHONPATH.)
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How to jQuery clone() and change id?
...e .insertAfter to insert it after the selected div. Also see updated code if you want it appended to the end instead of beginning when cloned multiple times. DEMO
Code:
var cloneCount = 1;;
$("button").click(function(){
$('#id')
.clone()
.attr('id', 'id'+ cloneCoun...
What's the difference of “./configure” option “--build”, “--host” and “--target”?
... --build , --host and --target . I'm confusing their roles. What's the difference and semantics of them?
2 Answers
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Test for equality among all elements of a single vector
...ich compares the min and the max, after dividing by the mean:
# Determine if range of vector is FP 0.
zero_range <- function(x, tol = .Machine$double.eps ^ 0.5) {
if (length(x) == 1) return(TRUE)
x <- range(x) / mean(x)
isTRUE(all.equal(x[1], x[2], tolerance = tol))
}
If you were usin...
Custom fonts in iOS 7
...d I would like to use a custom font in my app. I'm using SpriteKit for it, if that's important. I've tried using this https://github.com/deni2s/IBCustomFonts but I cannot get it to work with this font http://www.fontspace.com/freaky-fonts/emulogic
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error: request for member '..' in '..' which is of non-class type
... declaration with name 'foo2' and the return type 'Foo'.
But in that case If we change to Foo foo2 , the compiler might show the error " call of overloaded ‘Foo()’ is ambiguous".
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ListView addHeaderView causes position to increase by one?
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Doesn't work for me even if I cast parent to ListView. I just need to rule out position == 0...
– PawelP
Jan 2 '14 at 21:56
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“No backupset selected to be restored” SQL Server 2012
...lem and it turned out I was trying to restore to the wrong version of SQL. If you want more information on what's going on, try restoring the database using the following SQL:
RESTORE DATABASE <YourDatabase>
FROM DISK='<the path to your backup file>\<YourDatabase>.bak'
That sho...