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Difference between JSONObject and JSONArray
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When you are working with JSON data in Android, you would use JSONArray to parse JSON which starts with the array brackets. Arrays in JSON are used to organize a collection of related items (Which could be JSON objects).
For example: [{"name":"item 1"},{"name": "...
Remove non-numeric characters (except periods and commas) from a string
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You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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Stop Excel from automatically converting certain text values to dates
...Excel 2007 bug noted by Jeffiekins one should use the solution proposed by Andrew: "=""2008-10-03"""
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Mercurial — revert back to old version and continue from there
...a placeholder for the revision. It can be its number, its hash, a bookmark and so on. Trevor: this is not dubious because it doesn't merge anything. No need to.
– DanMan
Jul 23 '16 at 10:19
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Github Windows 'Failed to sync this branch'
I am using Github Windows 1.0.38.1 and when I click the 'Sync' button after committing, I get the error
17 Answers
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)
...de a basic rails app with a simple pages controller with an index function and when I load the page I get:
14 Answers
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How to identify all stored procedures referring a particular table
I created a table on development environment for testing purpose and there are few sp's which are refreing this table. Now I have have to drop this table as well as identify all sp's which are referring this table. I am facing difficulty to find list of all sp's. Please suggest some query by assumin...
htmlentities() vs. htmlspecialchars()
What are the differences between htmlspecialchars() and htmlentities() . When should I use one or the other?
12 Answers
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Advances social tools app with cool UI - Koded Apps - Kodular Community
... "regular" scheme is dark */
/* user picked a theme a light scheme and also enabled a dark scheme */
/* deal with light scheme first */
@media (prefers-color-scheme: light) {
:root {
--primary: #000000;
--secondary: #ffffff;
--te...
Android image caching
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And now the punchline: use the system cache.
URL url = new URL(strUrl);
URLConnection connection = url.openConnection();
connection.setUseCaches(true);
Object response = connection.getContent();
if (response instanceof Bitma...