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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?
...arithmetic. Unlike FLOAT its precision is fixed for any size of number, so by using it instead of FLOAT you might avoid precision errors when doing some calculations. If you were just storing and retrieving the numbers without calculation then in practice FLOAT would be safe, although there's no har...
counting number of directories in a specific directory
... $dirCount = shell_exec('ls -l | grep -c ^d');
– gigabyte
Apr 13 '19 at 20:44
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Laravel blank white screen
...e application could not write to the log location. I've always solved this by making the app/storage directory writable by Apache (either group writable to "www-data", "apache" or world-writable - that depends on your server setup.
Web Server User
On Ubuntu/Debian servers, your PHP may be running ...
Django: reverse accessors for foreign keys clashing
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
When serving JavaScript files, is it better to use the application/javascript or application/x-javas
... MIME type for JS
That said, browsers often ignore the content-type sent by the server and pay a lot of attention to the type attribute (and some may not yet recognise application/javascript).
My recommendation:
Use application/javascript on the server
Use HTML 5 and omit the type attribute fro...
Checking if array is multidimensional or not?
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In function is_multi() optimize the code by doing return count($rv)>0
– Xorifelse
Sep 2 '16 at 16:50
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【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...Visible property). This list also includes any features created on the Map by calls to FeatureFromDescription.获取地图特征列表（地图特征即map，marker，circle等）Height地图组件的高度Specifies the Map’s vertical height, measured in pixels.HeightPercent地图组件的百分...
What's a good rate limiting algorithm?
...zwirbeltier What you write above is not true. 'Allowance' is always capped by 'rate' (look at the "// throttle" line) so it will only allow a burst of exactly 'rate' messages at any particular time, i.e. 5.
– Antti Huima
Mar 18 '13 at 8:20
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How to make node.js require absolute? (instead of relative)
I would like to require my files always by the root of my project and not relative to the current module.
36 Answers
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How do you parse and process HTML/XML in PHP?
...e to use it, you can be sure most of the issues you run into can be solved by searching/browsing Stack Overflow.
XMLReader
The XMLReader extension is an XML pull parser. The reader acts as a cursor going forward on the document stream and stopping at each node on the way.
XMLReader, like DOM...