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How to avoid the “divide by zero” error in SQL?
...1 / NULLIF(CAST(NULL AS INT), 0). In real life, you are going to supply a table column to NULLIF() rather than a NULL constant. Since table columns have known datatypes, this also works fine: SELECT 1 / NULLIF(SomeNullableColumn, 0) FROM SomeTable.
– MarredCheese
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Centering floating divs within another div
... if they overflow the width of the div. So you actually turned them into a table...
– Pavel Jiri Strnad
May 3 '19 at 7:55
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Bootstrap 3 Flush footer to bottom. not fixed
...gt;
</footer>
CSS
html,
body { height: 100%; }
body {
display: table;
width: 100%;
}
.page-row {
display: table-row;
height: 1px;
}
.page-row-expanded { height: 100%; }
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How to force LINQ Sum() to return 0 while source collection is empty
...uery has an additional null check and a weird outer join with a single row table.
– Maksim Vi.
Aug 11 '15 at 21:17
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Split code over multiple lines in an R script
... the answers above work fine. But if you have a Code such as those in data.table chaining Syntax it becomes abit challenging. e.g. I had a Problem like this.
mass <- files[, Veg:=tstrsplit(files$file, "/")[1:4][[1]]][, Rain:=tstrsplit(files$file, "/")[1:4][[2]]][, Roughness:=tstrsplit(files$file...
Reset CSS display property to default value
... the different types of display to revert to (block, inline, inline-block, table-cell, etc).
But, it requires javascript, so if you are looking for a css-only solution, then this is not the solution for you.
Note: This overrides inline styles, but not styles set in css
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Invoke-WebRequest, POST with parameters
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Put your parameters in a hash table and pass them like this:
$postParams = @{username='me';moredata='qwerty'}
Invoke-WebRequest -Uri http://example.com/foobar -Method POST -Body $postParams
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Storing a Map using JPA
...on
@MapKeyColumn(name="name")
@Column(name="value")
@CollectionTable(name="example_attributes", joinColumns=@JoinColumn(name="example_id"))
Map<String, String> attributes = new HashMap<String, String>(); // maps from attribute name to value
}
See also (in the JPA 2.0 s...
Open-sided Android stroke?
...fill_parent"
android:layout_height="0dp"
android:layout_below="@id/table_options"
android:layout_above="@id/exit_bar"/>
Which fills the gap between table_options and exit_bar with a background and just before exit_bar prints a 1dp line. This did the trick for me, I hope it helps som...
How to migrate back from initial migration in Django 1.7?
...pp> zero
This clears <app> from migration history and drops all tables of <app>
See django docs for more info.
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