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How to make a div with no content have a width?
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a div usually needs at least a non-breaking space ( ) in order to have a width.
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Should methods that throw RuntimeException indicate it in method signature?
...icitly handled.
Declaring it in the javadoc is a better approach since it allows someone to handle it if they think it is necessary, but knowing they can ignore it if they want. This makes the separation between checked and unchecked clear.
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What does the question mark operator mean in Ruby?
... Ajedi32 - Yeah I agree it's nice to name functions like that, I use is all the time. This might be super confusing for someone coming from Swift since the question mark there is used for nullable : )
– Jason
Dec 29 '15 at 19:51
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How to hide elements without having them take space on the page?
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not all items should be display: block, some will have to be set to display: inline (such as <span> or <a> or <img> DOM elements).
– Mauro
May 28 '10 at 12:00
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Remove json element
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Where's foo in the test data? Well, the first line is actually pseudocode. Instead of json = {...}, it would be something like json = {foo: 'value'}
– aharris88
Mar 20 '14 at 23:38
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The SQL OVER() clause - when and why is it useful?
...ou use a GROUP BY or not
Example: get count per SalesOrderID and count of all
SELECT
SalesOrderID, ProductID, OrderQty
,COUNT(OrderQty) AS 'Count'
,COUNT(*) OVER () AS 'CountAll'
FROM Sales.SalesOrderDetail
WHERE
SalesOrderID IN(43659,43664)
GROUP BY
SalesOrderID, ProductID,...
Jquery select all elements that have $jquery.data()
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You could do
$('[data-myAttr!=""]');
this selects all elements which have an attribute data-myAttr which is not equal to '' (so it must have been set);
you could also use filter()
$('*').filter(function() {
return $(this).data('myAttr') !== undefined;
});
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Where can I find “make” program for Mac OS X Lion?
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Have you installed Xcode and the developer tools? I think make, along with gcc and friends, is installed with that and not before. Xcode 4.1 for Lion is free.
sha...
Remove xticks in a matplotlib plot?
...ould replace 'on' with True and 'off' with False.
– BallpointBen
Mar 22 '18 at 23:22
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Answer oug...
List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
8 Answers
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