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How do I rename a column in a SQLite database table?
...ME COLUMN fails with an error and no changes are applied.
Image source: https://www.sqlite.org/images/syntax/alter-table-stmt.gif
Example:
CREATE TABLE tab AS SELECT 1 AS c;
SELECT * FROM tab;
ALTER TABLE tab RENAME COLUMN c to c_new;
SELECT * FROM tab;
db-fiddle.com demo
Android Suppor...
Why unsigned integer is not available in PostgreSQL?
...d a lot, just too much work from my experience working with C programming.
https://www.postgresql.org/docs/10/datatype-numeric.html
integer 4 bytes typical choice for integer -2147483648 to +2147483647
serial 4 bytes autoincrementing integer 1 to 2147483647
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iOS White to Transparent Gradient Layer is Gray
...eUploader: {
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 46.2665 7.94324 4...
How do I put a bunch of uncommitted changes aside while working on something else
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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 46.2665 7.94324 4...
List of Big-O for PHP functions
...eUploader: {
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Equivalent of jQuery .hide() to set visibility: hidden
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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 46.2665 7.94324 4...
How do I install Maven with Yum?
...is entry in the /etc/yum.repos.d/epel-apache-maven.repo repo file: baseurl=https://repos.fedorapeople.org/repos/dchen/apache-maven/epel-6/$basearch/
– i_grok
Dec 3 '15 at 16:46
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Detecting iOS / Android Operating system
...
If you're using React Js for your website, use https://www.npmjs.com/package/react-device-detect
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How to define optional methods in Swift protocol?
...ty to use structs in in protocol callbacks.
I wrote a small summary here:
https://www.avanderlee.com/swift-2-0/optional-protocol-methods/
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How do you make sure email you send programmatically is not automatically marked as spam?
...a scam if not.
The wrong way:
Go to your account now: <a href="http://www.paypal.com.phishers-anonymous.org/">http://www.paypal.com</a>
The right way:
Go to your account now: <a href="http://www.yourdomain.org/">http://www.yourdomain.org</a>
Or use an unrelated linking...