valgrind-massif: increase the available heap size

I have a certain data structure whose memory consumption I’d like to empirically evaluate. To that end, I run valgrind-massif like this: valgrind –tool=massif –heap=yes –stacks=no –depth=3 –max-snapshots=1000 –time-unit=ms –detailed-freq=100 <executable>. Even when programmatically increasing the stack size inside the executable, I get stack overflow in thread #1: can’t grow stack to <…> and further…

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Python/Kivy Metronome – Trouble with sound libraries, threads, & perfect synchronization of sound/screen updates

I’m looking for some guidance building a metronome. I have it mostly working, but having trouble making sure the sound and screen animations are synced up exactly. This is super important for a metronome (obviously) but also I’m planning on using this feature in a larger app to display notes on a guitar fretboard to…

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How to create an instance of an object with inherited from a parent fields?

I have two classes: Word and its child Verb: class Word(models.Model): original = models.CharField(max_length=40) translation = models.CharField(max_length=40) class Verb(Word): group = models.IntegerField(default=1) past_form= models.CharField(max_length=40) future_form = models.CharField(max_length=40) First, I created an instance of Word: new_word = Word() I did some processing with this instance, and now I need to create an instance of Verb, based…

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Linux generate multiple date range with the same date at the beginning [closed]

I would like to generate a date in the same day with multiple hours and minutes range start to 10:00-13:00 end to 15:00-20:00 into a simple file with about 200 records, like below : 06/01/2020 10:11 06/01/2020 10:13 06/01/2020 10:14 06/01/2020 10:17 06/01/2020 10:18 06/01/2020 10:25 06/01/2020 11:15 06/01/2020 11:15 06/01/2020 11:16 06/01/2020 15:12 06/01/2020…

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PHP cURL – Send Data From www to Local IP

I’ve been trying to use cURL to send data to a local IP. This IP is waiting to receive incoming data. For this, I used the following code: if(isset($_GET[‘post’])) { $data = array( ‘type’ => ‘direct’, ‘packages’ => [] ); $curl = curl_init(‘http://192.168.2.10:12800/api/install’); curl_setopt($curl, CURLOPT_CUSTOMREQUEST, ‘POST’); curl_setopt($curl, CURLOPT_POSTFIELDS, json_encode($data)); curl_setopt($curl, CURLOPT_FAILONERROR, true); curl_setopt($curl, CURLOPT_HTTPHEADER, array(‘Content-type:…

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EF Core code-first one-to-many with same tables twice fails

public Application{ public int ID{ get; set;} public int? UserEditorId {get;set;} public User UserEditor {get;set;} public int? UserUpdaterId{get;set;} public User UserUpdater {get;set;} public string Status {get;set;} public virtual ICollection<User> Users { get; } } public User{ public int ID{get;set;} public string Name {get;set;} public virtual ICollection<Application> Applications { get; } } Above is a basic…

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