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How to find the size of an array in postgresql
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Adam DingleAdam Dingle
1,54211 gold badge1010 silver badges99 bronze badges
10
...
Pull to refresh UITableView without UITableViewController
...ction: #selector(refresh(_:)), for: .valueChanged)
if #available(iOS 10.0, *) {
tableView.refreshControl = refreshControl
} else {
tableView.backgroundView = refreshControl
}
}
@objc func refresh(_ refreshControl: UIRefreshControl) {
// Do your job, when done:
r...
Case in Select Statement
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http://msdn.microsoft.com/en-us/library/ms181765.aspx
USE AdventureWorks2012;
GO
SELECT ProductNumber, Name, "Price Range" =
CASE
WHEN ListPrice = 0 THEN 'Mfg item - not for resale'
WHEN ListPrice < 50 THEN 'Under $50'
WHEN ListPrice >= 50 and ListPrice < 250 THEN 'U...
How to sort strings in JavaScript
...em2.attr)
return -1;
if ( item1.attr > item2.attr)
return 1;
return 0;
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Progress indicator during pandas operations
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302
Due to popular demand, tqdm has added support for pandas. Unlike the other answers, this will n...
Turning off some legends in a ggplot
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308
You can use guide=FALSE in scale_..._...() to suppress legend.
For your example you should use...
How to remove an element from a list by index
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1820
Use del and specify the index of the element you want to delete:
>>> a = [0, 1, 2, 3, ...
How to unset max-height?
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Reset it to none:
pre {
max-height: 250px;
}
pre.doNotLimitHeight {
max-height: none;
}
Reference
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SVG get text element width
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edited Jan 21 '13 at 18:04
RobM
7,08722 gold badges3838 silver badges3636 bronze badges
answered Oct 2...
Join strings with a delimiter only if strings are not null or empty
...ple:
[...].filter(x => typeof x === 'string' && x.length > 0)
will only keep non-empty strings in the list.
--
(obsolete jquery answer)
var address = "foo";
var city;
var state = "bar";
var zip;
text = $.grep([address, city, state, zip], Boolean).join(", "); // foo, bar
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