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How to use background thread in swift?
...ute: {
//Update UI
self.tableView.reloadData()
})
From AppCoda : https://www.appcoda.com/grand-central-dispatch/
//This will print synchronously means, it will print 1-9 & 100-109
func simpleQueues() {
let queue = DispatchQueue(label: "com.appcoda.myqueue")
queue.sync {
...
How to correctly iterate through getElementsByClassName
...eUploader: {
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Which timestamp type should I choose in a PostgreSQL database?
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application/x-www-form-urlencoded or multipart/form-data?
In HTTP there are two ways to POST data: application/x-www-form-urlencoded and multipart/form-data . I understand that most browsers are only able to upload files if multipart/form-data is used. Is there any additional guidance when to use one of the encoding types in an API context (no browser...
Open Redis port for remote connections
...0.0.1
2- Change protected-mode to no
3- Protect my server with iptables (https://www.digitalocean.com/community/tutorials/how-to-implement-a-basic-firewall-template-with-iptables-on-ubuntu-14-04)
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Migrating from JSF 1.2 to JSF 2.0
...config
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
version="2.0">
Note: when you're using JSF 2.2 or newer, use th...
VS2013 permanent CPU usage even though in idle mode
...013 update 4) the solution was to disable Browser Link as specified here:
https://www.devexpress.com/Support/Center/Question/Details/T102322
The CPU slowed down right away from 25 % to 1 %.
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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
...
How many GCC optimization levels are there?
...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...