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Get all unique values in a JavaScript array (remove duplicates)
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let unique_values = [...new Set(random_array)]; developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…
– Lukas Liesis
Nov 19 '16 at 15:07
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How to check if a file is a valid image file?
...rce code seems to verify... nothing! pillow.readthedocs.io/en/latest/_modules/PIL/…
– Massimo
Dec 12 '19 at 21:06
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input type=“submit” Vs button tag are they interchangeable?
... we have to think beyond pure functionality.
– pierre_loic
Jun 10 at 16:43
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Android Fragment lifecycle over orientation changes
...ne fragment = new FragmentOne();
fragmentTransaction.add(R.id.fragment_container, fragment);
fragmentTransaction.commit();
} else {
// do nothing - fragment is recreated automatically
}
Be warned though: problems will occur if you try and access Activity Views from inside the ...
insert multiple rows via a php array into mysql
...nment.
$sql = array();
foreach( $data as $row ) {
$sql[] = '("'.mysql_real_escape_string($row['text']).'", '.$row['category_id'].')';
}
mysql_query('INSERT INTO table (text, category) VALUES '.implode(',', $sql));
The advantage of this approach is that you don't copy and re-copy the SQL stat...
Search for all files in project containing the text 'querystring' in Eclipse
... keyboard accelerator configuration.
More details: http://www.ehow.com/how_4742705_file-eclipse.html and http://www.avajava.com/tutorials/lessons/how-do-i-do-a-find-and-replace-in-multiple-files-in-eclipse.html
(source: avajava.com)
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Direct casting vs 'as' operator?
...ince senior devs to make the switch to C#.
– Griswald_911
Aug 13 '18 at 20:08
1
@Quibblesome nice...
NSDictionary - Need to check whether dictionary contains key-value pair or not
...ing app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSSingleObjectArrayI objectForKey:]: unrecognized selector sent to instance 0x60000133a1c0'
– Amr Angry
Jan 11 '19 at 16:20
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Open-sided Android stroke?
...two shapes, one of which with height 1dp placed at the bottom
optionscreen_bottomrectangle.xml:
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!-- This is the line -->
<item>
<shape>
<solid android:color="#535353" />
&...
NSUserDefaults - How to tell if a key exists
...alue is nil:
if([[NSUserDefaults standardUserDefaults] objectForKey:@"YOUR_KEY"] != nil) {
...
}
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