pip3 cannot install packages – cannot find a version on embedded system

I’m running python pip3 on TinkerOS (for Asus embedded computer Tinkerboard). TinkerOS is based on Debian. linaro@chione:~$ uname -a Linux chione 4.4.132+ #1 SMP Tue Oct 23 18:03:49 CST 2018 armv7l GNU/Linux linaro@chione:~$ lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 9.11 (stretch) Release: 9.11 Codename: stretch Unfortunately, I cannot…

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Failed to retrieve directory listing IIS FTP when used with external (outside firewall) address

I’m trying to configure an FTP site with IIS on Windows 10. Active connections made to the server’s internal (behind the firewall) address work properly (e.g. 10.0.1.4), but any type of connection (active or passive) to the external IP for the server fails. Passive connections (using these is my goal) fail giving a “Failed to…

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ionic 4 @ionic/angular ERROR Error: Uncaught (in promise): overlay does not exist just show in production

I have a select which when i select something i get data from api so i made an alert loading and when the data fetched i dismiss loading controller , but i get this error. My code is like this initProvinceChange() { this.provinceSubscription = this.form .get(“provinceCtrl”) .valueChanges.subscribe((value: string) => { if (!!value) { this.alertLoadingService.presentLoading(); this.getLocationService.getDistricts(value).then(returnedValue…

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How can i get global defined like “dictionary.count” return value?

I’m trying to fetch specific user messages from Firebase Real-Time database.I want to fill chatLogTableView with the user messages.I’m fetching user messages datas from firebase with fetchCurrentUserMessages() function. In this function : self.messagesDatas.append(message) print(self.messagesDatas) When i try to print the self.messagesDatas its okay.But when the tableview trying to retrieve self.messagesDatas.count for numberOfRowsInSection i’m getting 0…

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How to detect a zebra crossing at the picture?

Good morning, I’ve just started with Computer Vision. First question, does computer vision belongs to machine learning/deep learning? Second question, I am trying build a zebra crossing detection. I did as much as at picture. What should I do next? import cv2 test_image = cv2.imread(‘dataset/crossway4.jpg’) gray_image = cv2.cvtColor(test_image, cv2.COLOR_BGR2GRAY) # Extract white color pixels white_mask…

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Does this objc code “shouldRestoreSecureApplicationState” restore app state when app is updated?

I have this code in appDelegate for an app game – ”’ (BOOL)application:(UIApplication *)application shouldSaveSecureApplicationState:(NSCoder *)coder { return YES; } -(BOOL)application:(UIApplication *)application shouldRestoreSecureApplicationState:(NSCoder *)coder {
return YES; } ”’ I understand that code preserves game state between sessions. But will it also preserve the game state when app is updated with a new version or new…

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