All Questions

1
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How to avoid uploading shell files or file attacks in php?

I'm doing a file upload system but I want to avoid uploading files shell or virus to attack the page but how do I do that? $file = $_FILES["file"]; move_uploaded_file($file["tmp_name"], "archivos/$user_username/" . $file["name"]...
asked on 04.01.2019 / 22:54
2
answers

problem with list in python

The exercise asks me to store 5 numbers read in a list and to show the POSITIONS of the largest number, but I do not know how to do it, because if the higher number is repeated 1 time, the program works for me, but if it is repeated several time...
asked on 30.09.2018 / 04:27
2
answers

Separate json to use it in javascript

I have this output of json what I want to know is how to separate each object - ie: (3,2,5 etc.) in variables to use those variables in a javascript . Example: { "procede": "1", "status": "1", "statusText": "Corre...
asked on 17.10.2018 / 21:51
3
answers

Difference of exact hours between sumHoras and hrsDia, Excel PHP

I want to make the exact Difference between Time A and Time B. Ejemplo A HoraEntrada HoraSalida sumaHoras hrsDia Diferencia 06:51:27 19:51:00 12:59 08:00:00 4.98 The following query ret...
asked on 28.09.2018 / 21:32
4
answers

Print decimals in c ++

The question is basic. I have the following code: #include <iostream> #include <iomanip> int main() { double resp = 0.8912637126836812; resp = 5/2; std::cout << std::fixed << std::setprecision(4) <<...
asked on 13.04.2018 / 04:29
4
answers

Remove virus in wordpress with SED in a vps with linux

I have a vps with more than 100 wordpress installations and they all have a script in their header or header.php var _0xfcc4=["\x66\x72\x6F\x6D\x43\x68\x61\x72\x43\x6F\x64\x65","\x47\x45\x54","\x6F\x70\x65\x6E","\x73\x65\x6E\x64","\x72\x65\x73...
asked on 28.09.2018 / 14:03
2
answers

Substitute one image for another - Events - Javascript - HTML

I have a set of images stored in an array and I show them through the array with a "foreach". PHP Code of how I extract the images and show them: $imagenes = $cabana->getImagenes(); //Recorremos el foreach del array "$imagenes". $first...
asked on 17.11.2017 / 11:40
1
answer

I do not understand how Or works in python I refer to the following code

Someone can help me because and how it works in python because I try to do it according to the documentation and it gives me different results import operator operator.or_(2,8) 10 operator.or_(8,2) 10 8 | 2 10 2 | 8 10 2 or 8 2 2 | 8 10...
asked on 04.01.2019 / 15:04
1
answer

Operator 'greater than' and 'less than' in batch

Friends, I have the following script, which I developed as a simple exercise, but I do not work correctly with the logical operators < and > that I understand in Batch are LSS and GTR . Here my code: @echo o...
asked on 21.11.2017 / 01:27
2
answers

Error: 'name' was not declared in tis scope

I have doubts with this task to be programmed in php but in c ++ I am just learning, The program marks me an error in the function    xalan (x, i)    15 24 C: \ Users \ admin \ Documents \ task8 \ 9 \ main.cpp [Error] 'xalan' was not declared...
asked on 04.12.2018 / 01:49