Why is PostGIS stacking all points on top of each other? (Using ST_DWithin to find all results within 1000m radius)

New to PostGIS/PostgreSQL…any help would be greatly appreciated! I have two tables in a postgres db aliased as gas and ev. I’m trying to choose a specific gas station (gas.site_id=11949) and locate all EV/alternative fuel charging stations within a 1000m radius. When I run the following though, PostGIS returns a number of ev stations that…

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Getting the top and bottom margin to stay inside mat-grid-tile?

In this demo the margin of the div sitting inside the tile is 2rem however only the margin on the top and bottom extends outside the tile. How do we get all the margins to stay inside the tile? <mat-grid-list cols=”2″ gutterSize=”20px” rowHeight=”200px”> <mat-grid-tile> <div style=” margin: 2rem; width: 100%; height: 100%; background-color: rgba(0,0,0, 0.2);”></div>…

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Flutter, How to put UI onto the button?

Padding( padding: const EdgeInsets.symmetric(horizontal: 80.0), child: RaisedButton( onPressed:() { Navigator.push(context, MaterialPageRoute(builder: (context) => SecondPage()), ); }, child: Container( margin: EdgeInsets.symmetric(vertical: 0), decoration: BoxDecoration( borderRadius: BorderRadius.circular(50), color: Color.fromRGBO(49, 39, 79, 1), ), child: Center( child: Text( “Login”, style: TextStyle(color: Colors.white),), ) ) ))]), As you can see from the code, the UI Login Container is in…

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Do I need to use PDO::FETCH_ASSOC if I set as default in DEFAULT_FETCH_MODE connection?

I wonder if I need to use PDO::FETCH_ASSOC each time when I set it as default ATTR_DEFAULT_FETCH_MODE ? Here is my connection : $host = ‘localhost’; $db = ‘test’; $user = ‘root’; $pass = ”; $port = ‘3308’; $charset = ‘utf8mb4’; $dsn = “mysql:host=$host;dbname=$db;port=$port;charset=$charset”; $options = [ \PDO::ATTR_ERRMODE => \PDO::ERRMODE_EXCEPTION, \PDO::ATTR_DEFAULT_FETCH_MODE => \PDO::FETCH_ASSOC, \PDO::ATTR_EMULATE_PREPARES =>…

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On macOS Catalina why do AKFrequencyTracker() & AKMicrophoneTracker() give bogus/unchanging amplitude & freq?

Update: Just created a fresh dedicated project to test mic tracking. Same problem, btw in all cases I see the following errors logged. 2020-01-01 16:14:30.796714-0800 AudioKit_mic_tracking[36792:18467342] [plugin] AddInstanceForFactory: No factory registered for id 2020-01-01 16:14:30.823727-0800 AudioKit_mic_tracking[36792:18467342] HALC_ShellDriverPlugIn::Open: Can’t get a pointer to the Open routine I’ve installed the AudioKit 4.9.3 framework to my macOS app,…

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Display search text in text file with VBA Excel

I am new to VB and have a problem. I have a text file named data.txt. It has 1 lines in it IamanewstudentHeisanewstudentthestudentinthisclassisveryfunnythisuniversityhave300studentthestudentisveryfriendlywithnewcommer I write a script which reads this text file and look for the string such as “stutent” and print all the “student” we can found in cell in excel (B1,C1,D1….). In this…

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