Stride is usually reported in bytes, not pixels. Each pixel is 4 bytes (32 bits). This means that your offset or padding will be 0 (2048 bytes – 512*4 bytes). Each row of your bitmap will be 512 * 4 = 2018 bytes, and there will be 512 rows. This means that it is simply … Read more
A few points to consider: Interfaces didn’t have default methods until Java 8. That a in your interface is implicitly final. Interfaces can’t define public mutable fields. Interfaces can’t define private (or protected, or package) fields. Interfaces can’t have protected or package methods; they couldn’t have private methods until Java 9. Abstract classes don’t have … Read more
There are a few things you will need to know to be able to do this. Firstly the security bit… Basically you want to never trust data that is submitted to your application. When accepting data for use in a MySQL statement, you could use PHP’s built in escape functions for MySQL. ref: http://php.net/manual/en/mysqli.real-escape-string.php You … Read more
Here’s some high level code that might help. #!/usr/bin/perl use strict; use warnings; # Use functions from CGI.pm to make your life easier use CGI qw[header redirect param]; # Hash containing valid redirection values. my %valid_redirects = map { $_ => 1 } qw[process calendar location users find]; # Get the chosen option my $option … Read more
If you use ReactiveForm, you need use a FormArray A FormArray can be of FormControl or a FormGroup FormArray of FormControls constructor(private fb:FormBuilder) {} ngOnInit() { //We create an array of FormControl, each question a FormControl let data:FormControl[]=this.questions.map(q=>new FormControl()); this.myform=this.fb.group({ questions:new FormArray(data) }) } //the .html <!–we use *ngIf to show the form only when … Read more
Your string formating is wrong. print(‘Random IP = “{}.{}.{}.{}”‘.format(randomnum, randomnum4, randomnum3, randomnum4)) solved Python, How to remove gaps between text and variable?
You could modify the code from the HandlingExceptions – Python Wiki: def collatz(number): if number % 2 == 0: print(number // 2) return number // 2 elif number % 2 == 1: print(3 * number + 1) return 3 * number + 1 has_input_int_number = False while has_input_int_number == False: try: # try to convert … Read more
As Crockford says: “The rules by which they do that are complicated and unmemorable.” The spec defines them all in section 11.9.3 (pointed out by @Oriol in a comment to OP). For the two cases you provided: if ( 42 == true ) // false ( Only 1 is true ) if ( “Hello World” … Read more
You have your main problem here. double *tabT1; double *tabT2; tabT1[0]=1; tabT1[1]=tabX[j]*(-1); tabT2[0]=1; tabT2[1]=tabX[i]*(-1); You haven’t allocated the memory, instead, you have just declared the double ptrs tabT1 and tabT2 and accessing them by pretending you have allocated. double *tabT1 = new double[2]; double *tabT2 = new double[2]; will fix this, however, I strongly suggest … Read more
So eventyally in my case, I don’t know why , but I just deleted Content-type header with the value from the response, and all is ok. My answer was found here Android Volley gives me 400 error solved HTTPS Volley Invalid header issue
Try the following method where simIndex is 0 for sim1 and 1 for sim2: public void sendSMS(final String number,final String text) { final PendingIntent localPendingIntent1 = PendingIntent.getBroadcast(mContext, 0, new Intent(this.SENT), 0); final PendingIntent localPendingIntent2 = PendingIntent.getBroadcast(mContext, 0, new Intent(this.DELIVERED), 0); if (Build.VERSION.SDK_INT >= 22) { SubscriptionManager subscriptionManager=((Activity)mContext).getSystemService(SubscriptionManager.class); SubscriptionInfo subscriptionInfo=subscriptionManager.getActiveSubscriptionInfoForSimSlotIndex(simIndex); SmsManager.getSmsManagerForSubscriptionId(subscriptionInfo.getSubscriptionId()).sendTextMessage(number, null, text, localPendingIntent1, localPendingIntent2); } … Read more
The code isn’t being executed because your if (instance != null) statement isn’t true. If you want that code to run, and you don’t want to have a NullPointerException then initialise whichever variable is null (i.e. give it a value). At that point you can remove the null check as well as it will no … Read more
use it String ratedValue = String.valueOf(ratingBar.getRating()); rateMessage.setText(“Rating : ” + ratedValue + “/5”); 1 solved How to set double value as rating in rating bar?
greet is a closure. A computed property is var greet : Int { return 4+3 } greet // without parentheses And “in” in closure is also not compulsory if a parameter is passed (by the way the return keyword is not compulsory) var greet = { x in 4+x } greet(4) unless you use the … Read more
If you need to convert an IP to a range, you’ll need a function that converts an IPv4 value to an integer, then do math on those: require ‘ipaddr’ def ip(string) IPAddr.new(string).to_i end def parse_ip(string) string.split(/\s+\-\s+/).collect { |v| ip(v) } end def ip_range(string) ips = parse_ip(string) ips.last – ips.first + 1 end ip_range(“10.2.3.10 – 10.2.3.15”) … Read more