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Is there a JavaScript / jQuery DOM change listener?
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MySQL order by before group by
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Using an ORDER BY in a subquery is not the best solution to this problem.
The best solution to get the max(post_date) by author is to use a subquery to return the max date and then join that to your table on both the post_author an...
Convert MySQL to SQlite [closed]
...has a command line tool for dealing with databases, you must have ruby installed, then:
$ gem install sequel mysql2 sqlite3
$ sequel mysql2://user:password@host/database -C sqlite://db.sqlite
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How to wait until an element exists?
...atch the DOM. It's only supported in newer browsers though, so you should fall back onto DOMNodeInserted when MutationObserver isn't available.
let observer = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (!mutation.addedNodes) return
for (let i = 0; i &...
jquery.validate.unobtrusive not working with dynamic injected elements
...ate it to include the code in the comments otherwise it can break. Specifically, change the two selector lines to double quote the id.
– Ryan O'Neill
Jul 14 '11 at 19:50
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How do I make a checkbox required on an ASP.NET form?
...n "I accept the terms and conditions..." checkbox which must be checked in order to complete a registration, hence checking the box is required from a business logic standpoint.
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How do SQL EXISTS statements work?
...way:
For 'each' row from Suppliers, check if there 'exists' a row in the Order table that meets the condition Suppliers.supplier_id (this comes from Outer query current 'row') = Orders.supplier_id. When you find the first matching row, stop right there - the WHERE EXISTS has been satisfied.
The ...
How important is the order of columns in indexes?
...umn 2 in the Join or Search Predicate then it would not be beneficial. So order matters there also. Maybe that goes without saying, but wanted to mention it.
– CodeCowboyOrg
Mar 23 '15 at 16:15
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Finding most changed files in Git
...fort has no information about it :/). I assume the first set of result are ordered by filename, and the second one by number of commit per file. The man page also mention github.com/tj/git-extras/issues to report issues
– Asenar
Dec 20 '16 at 8:37
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Golang tests in sub-directory
...ables and functions (used in your tests) with the name of your package, in order for the test file to be able to access the package exported content.
you wouldn't access non-exported content.
That being said, I would still prefer keep the _test.go file right beside the main source file: it is easie...
