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How can I run a PHP script in the background after a form is submitted?
...send out 150+ emails. (The emails are being sent individually as requested by the system administrators of our email server because of mass email policies.)
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SQL - many-to-many table primary key
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@buffer, I'll stand by that comment (technically, it's a generalisation only if I say "all tables", "vast majority" is based on experience). Let's also think about your example, an order is created once (it may be updated occasionally but that's...
SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?
...th less than or equal to Cartesian Product number.
Number of rows returned by FULL OUTER JOIN equal to (No. of Rows by LEFT OUTER JOIN) + (No. of Rows by RIGHT OUTER JOIN) - (No. of Rows by INNER JOIN).
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Android: alternate layout xml for landscape mode
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By default, the layouts in /res/layout are applied to both portrait and landscape.
If you have for example
/res/layout/main.xml
you can add a new folder /res/layout-land, copy main.xml into it and make the needed adjustme...
Mongodb Explain for Aggregation framework
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Optimizing pipelines
In general, you can optimize aggregation pipelines by:
Starting a pipeline with a $match stage to restrict processing to relevant documents.
Ensuring the initial $match / $sort stages are supported by an efficient index.
Filtering data early using $match, $limit , and $skip...
How to properly reuse connection to Mongodb across NodeJs application and modules
...iable that is passed to modules. Once connected this variable will be used by modules code as necessary and this connection stays open. E.g.:
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CSS Pseudo-classes with inline styles
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Another point for inline styles is lowering render times by using a virtual DOM. A CSS will need to scan the entire document for changes and applying its styles. This is eliminated by inline styles.
– Frederik Krautwald
May 22 '15 at 22:04
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Adding asterisk to required fields in Bootstrap 3
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
jQuery object equality
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This solution simplifies to that given by thephpdeveloper when there is only a single element. Another sense in which jQuery objects can be considered equal is whether they have the same selector and context. This is easy enough to test: A.selector === B.selector ...
React JSX: selecting “selected” on selected option
...keep the option selected (and keep the form's state for future POSTing) is by setting select=true. I have tried setting the defaultValue and value props of the select element, but this does not render in the view by setting the correct option to selected in the option menu. Any advice?
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