[Solved] Please explain the following inline python code? index = [n for n, value in enumerate(self.Variable[i]) if value == 1] [closed]

The above code can be rewritten as: indices = [] for n, value in enumerate(self.BUSES[i]): if value==1: indices.append(n) enumerate returns a pair of (index, value at that index) for a given list. So you are testing if value at a given index is 1, and if that is true, you add the index to indices. … Read more

[Solved] Output accumulates each iteration instead of resetting [closed]

You’re reusing the same string buffer. If you keep putting things into the same buffer without clearing it, you’re obviously going to get extraneous stuff from previous iterations. Simply declare the StringBuffer inside the while loop so that it is created on each iteration. Anyway, you should learn to use your debugger, instead of asking … Read more

[Solved] I can create a student but it doesn’t save on mysql table. i get a console error that i can figure it out what it is [closed]

count the columns in your statement! There are seven columns but six values: INSERT INTO alumnos(legajo,nombre,apellido,curso,dni,edad,fechanc) ” + “VALUES(?,?,?,?,?,?)”); you easily forgott a questionmark(column place holder) try this: INSERT INTO alumnos(legajo,nombre,apellido,curso,dni,edad,fechanc) ” + “VALUES(?,?,?,?,?,?,?)”); solved I can create a student but it doesn’t save on mysql table. i get a console error that i can … Read more

[Solved] I can create a student but it doesn’t save on mysql table. i get a console error that i can figure it out what it is [closed]

Introduction If you are having trouble creating a student and saving it to a MySQL table, you have come to the right place. This post will provide you with a solution to your problem. We will discuss the console error you are receiving and how to troubleshoot it. By the end of this post, you … Read more

[Solved] How can write a clean url in php? [duplicate]

What you are really asking is that the request to details.php gets routed to index.php. You will therefore need some code in index.php to understand this request is for details. You can use this in your .htaccess file RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !-l RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php/$1 In … Read more

[Solved] Loop array of bytes only for ones [closed]

A for loop with a test should do the trick. BitSet bs = new BitSet(100000000); for (int i = 0; i < 100000000; i++) {bs.set(i);} long stDate = System.currentTimeMillis(); for (int i = 0; (i = bs.nextSetBit(i + 1)) >= 0;) {// TODO} long endDate = System.currentTimeMillis(); System.out.println(endDate – stDate); byte[] bytes = new byte[100000000]; … Read more

[Solved] What does c!=’\n’ do in a for statement?

for(i=0;i<lim-1&&(c=getchar())!=EOF&&c!=’\n’;i++) why do we use c!=’\n’ We use c!=’\n’ to stop scanning input characters when user enters a \n (newline) character or in other words,when user hits the enter key. why have we used s[i]=’\0′ in and i++; statement in if(c==’\n’) condition i++ is used to increase the index value of the array/string for one … Read more

[Solved] how to reverse the numbers in this pattern [closed]

You can start number that would normally be last in that row for every even row. That is your starting number will be i-1 larger that it would normally be, and instead of count++ you count–. public static void main(String args[]) { int count=1; for(int i=1;i<=5;i++) { if (i%2 == 0) { count += i-1; … Read more

[Solved] Possible to extend two lists at once?

It is not directly possible, because what must be on the left side of an assignment cannot be a function call. It can only be built from simple variables, data members, subscripts and commas, parentheses or square brackets. Best that can be done is to use a comprehension or a map on the right side: … Read more

[Solved] How to create an example for the complex statement? [closed]

int (*f(float (*)(long),char *))(double) f is a function that has 2 parameters of type float (*)(long), << pointer to function long=>float char * << string and returns (int)(*)(double) << a pointer to a function double=>int 2 solved How to create an example for the complex statement? [closed]

[Solved] How to make background with curves in bottom? [closed]

You can also use svg for that. .background-img { background-image: url(https://cdn.pixabay.com/photo/2018/01/12/10/19/fantasy-3077928_960_720.jpg); background-size: cover; background-repeat: no-repeat; background-position: center; height: 500px; position: relative; } #bigHalfCircle { position: absolute; bottom: 0; } #bigHalfCircle path { fill: #fff; stroke: #fff; } <section class=”background-img”> <svg id=”bigHalfCircle” xmlns=”http://www.w3.org/2000/svg” version=”1.1″ width=”100%” height=”100″ viewBox=”0 0 100 100″ preserveAspectRatio=”none”> <path d=”M0 100 C40 0 … Read more

[Solved] Why does my crypt package give me invalid magic prefix error?

Why does this happen and how do I resolve it? You have an invalid magic prefix. github.com/tredoe/osutil/user/crypt/sha512_crypt/sha512_crypt.go if !bytes.HasPrefix(salt, c.Salt.MagicPrefix) { return “”, common.ErrSaltPrefix } Read the crypt package code. PHP: crypt — One-way string hashing PHP: password_hash — Creates a password hash Read the PHP documentation. See your earlier question: golang equivalent of PHP … Read more