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Using jQuery to test if an input has focus
...e of a site I am building, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except that IE6 does no...
Putting git hooks into repository
... hooks if they can just type bin/create-hook-symlinks than if they have to do it themselves.
Second, directly symlinking hooks prevents users from adding in their own personal hooks. For example, I rather like the sample pre-commit hook which makes sure I don't have any whitespace errors. A great w...
INSERT … ON DUPLICATE KEY (do nothing)
...it won't trigger row update even though id is assigned to itself).
If you don't care about errors (conversion errors, foreign key errors) and autoincrement field exhaustion (it's incremented even if the row is not inserted due to duplicate key), then use INSERT IGNORE.
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PHPExcel auto size column width
...zeMethod(PHPExcel_Shared_Font::AUTOSIZE_METHOD_EXACT);
However, autosize doesn't apply to all Writer formats... for example CSV. You don't mention what writer you're using.
But you also need to identify the columns to set dimensions:
foreach(range('B','G') as $columnID) {
$objPHPExcel->ge...
How do you find the row count for all your tables in Postgres
...r a way to find the row count for all my tables in Postgres. I know I can do this one table at a time with:
15 Answers
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Checking if a blob exists in Azure Storage
... blob (with a name I've defined) exists in a particular container. I'll be downloading it if it does exist, and if it doesn't then I'll do something else.
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Split array into chunks
...length; i<j; i+=chunk) {
temparray = array.slice(i,i+chunk);
// do whatever
}
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Can media queries resize based on a div element instead of the screen?
...To accomplish this natively, we'd need @element queries. W3C has some good documentation on the rhyme/reason for @media queries: w3.org/TR/css3-mediaqueries/#width (this link takes you to the section discussing widths --- widths of the media type, not the elements contained within)
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Clearing all cookies with JavaScript
How do you delete all the cookies for the current domain using JavaScript?
18 Answers
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JSF backing bean structure (best practices)
...The typical use case is supplying an ArrayList to JSF h:selectOneMenu drop-down lists that appear in more than one JSF view. If the data in the dropdown lists is particular to the user, then the bean would be kept in session scope. However, if the data applies to all users (such as a dropdown lists ...