Is it safe to allow these special characters when validating a string? The user is currently allowed to send alpha numeric and the following special characters from the browser:
',.!&()_-
My main concern is code injection. I'm still learning Laravel and I understand it handles a lot security w...
I am writing a program to calculate Fibonacci and that could accept both positive and negative integers.
Right now I am doing to loops for positive and negative integers, but is there a better way to handle in single loop without to repeat the logic.
private static Int64 PrintFibbonacci(long n)...
In an effort to reduce the size of a View Controller class I am wondering if this structure is an acceptable, safe way to modify the UI on a Controller Class.
The only thing that I see "wrong" with this approach is not being able to set my outlets or variables to private which is usually very im...
Implemented MO algorithm which sums the given range of elements and returns the result.
However, I am stuck in sorting. It is not doing what i wanted it to do.
What i want to do is to sort based on blocks first. First the algorithm divides the given input array into Sqrt(N) blocks. Each block w...
Recently I built a Usenet newsreader in Python and for that I built a keyword search which supports AND and OR functionalities (e.g., python AND django should bring up articles containing both. I defined a find function for this which takes a keyword query and a string and returns a bool signifyi...
`function getFactors(integer){
var factors = [],
quotient = 0;
for(var i = 1; i <= integer; i++){
quotient = integer/i;
if(quotient === Math.floor(quotient)){
factors.push(i);
}
}
return factors;
}```
But despite of converting all the values to numeric , its popping up an error stating that its a non numeric value.
library(readxl)
a <- read_excel("~/a.xlsx", sheet = "Sheet2",
+ col_types = c("numeric"))
View(a)
fft(a, inverse= FALSE)
Error in fft(a, inverse = FALSE) : non-num...
I am creating a script, that will ssh to several hosts, get stuff, parse it and return. Because I wait for server response, I'm using threading.
Real script is more complex, so I created this simple program to demonstrate logic.
In real application 'timer' function does ssh with paramiko and...
I've asked a question and someone answered it. But inside the answer, there are some questionings, like "I'm not sure I understand your code here...".
Should I attempt to answer the questions of the answer (which could lead to an even better answer) or is this against Q&A principles? If yes: whe...
I use the following utility method to convert Persian and Arabic digits to English using regex:
convertNumbers2English: function (string) {
return string.replace(/[٠١٢٣٤٥٦٧٨٩]/g, function (c) {
return c.charCodeAt(0) - 1632;
}).replace(/[۰۱۲۳۴۵۶۷۸۹]/g, function (c...
public class Prime {
Integer i,num;
public void entnum(Integer n){
num = n;
for (i=2; i<=num; i++){
if (system.math.mod(num,i) == 0){
System.debug('Number is not Prime');
break;
}
if(i == num) {
...
My app lists commits from a specific branch and tag on a SVN repo.
The commit list is afterwards transferred to the front end which is a web app.
The method for retrieving the commits takes a rather long time, around half a minute when there are around 100 commits associated with a tag.
I am us...
I have a project I am working on, and I would like some, or all of it
reviewed, how can I ask for this review on Code Review in a way that
produces the best possible value?
This is not about a question being on-topic, or off topic. Rather, this is about making on-topic questions great qu...
The following stored procedure allows me to write in a file stored on my SQL Server:
CREATE PROCEDURE [dbo].[spWriteToFile]
(
@PATH_TO_FILE nvarchar(MAX),
@TEXT_TO_WRITE nvarchar(MAX)
)
AS
BEGIN
DECLARE @OLE int
DECLARE @FileID int
EXECUTE sp_OACreate 'Scripting.FileSystemObject', @O...
The purpose of the function in question is to read information from a log file and then report that information if it fulfills a certain condition, as you can see in the code snippet below.
function some_function {
while read line
do
worker_name=`echo $line | awk -F',' '{print $N...
This is from an answer I already gave on SO. As I am fairly new to VB.NET (but not to programming), I am really interested in getting to know, how I can improve my work within this (to me) new environment.
The question is about returning the last few lines of a text file organized as follows (...
Originally asked this on SO but was redirected here.
I have a script that's asking the user to input a lot of dates, mostly in functions similar to the one below. These need to account for invalid date formats:
import numpy as np
import pandas as pd
import xlwings as xw
import datetime as dtt
...
Below is the implementation of MO algorithm for summing the sub array given the range as input.
As MO algorithm is a offline query it is given a list of ranges as input.
Below code calculates the result using MO algorithm and compares the result with expected output by directly summing the sub a...
Intro
Most of you don't know me, but I've been posting rather frequently - mainly to get some feedback on Python solutions. But I thought I'd reach out for some feedback on my solution to a tech-test I handed in today.
The test itself was for a junior position, and I have been progressed to ...
One of the more recent functions I've needed for personal and work purposes is to split a string on a delimiter, but while ignoring the delimiter when inside a quote.
This actually posed a larger challenge than I originally anticipated, but in the end it was resolved pretty swiftly.
Obviously I...
If you go anywhere on stackoverflow.com today, you’ll notice a brand new footer, new About pages, and possibly a few other surprises we’re still testing out (not everyone will see these yet).
Back in February, we updated our top navigation, and today’s changes follow in the footsteps of this effort. We wanted to make it easier for developers to find what they need so they can learn, share, and build their careers. We also needed to make our company information more accessible to press, and to surface our product offerings for customers. …
The following tail-recursion example is taken verbatim from Chris Smith's Programming F# 3.0. If this is not the appropriate forum for this post, I will gladly move the post to the appropriate place. I did not post this in SO, because I do not have a problem to solve.
let printListRev list =
...
I have posted the below also at stackoverflow in this thread, but a poster there recommended I post this here. Thanks for any suggestions.
I have the below code, and as someone new to Python, I was hoping for suggestions on making it more Pythonic. Posters in this thread have provided very hel...
I am trying to understand the need for findone / save / update
In this case I try to find the message record.
If there is none, then I create a new one.
If there is already one, then I update some fields and add another instance to my messages array.
//
// Find and update message
//
var messa...
I am writing a web service in Java using some framework. I have some doubts in best design for building the service. So, like usual web service in Java, I would have 3 layers:-
Resource - This layer is the entry point to the api calls. It would take a request object as a parameter and retu...
Choosing a random questions form the file !
I have a small problem with splitting one method into many simpler ones (better) and I would like the code later did not cause problems and to be transparent.
The most problematic at this point is the if block maybe anyone have a good advice /design pattern to do better?
public class Main {
...
I have tried to make two buttons to be used for post navigation below each post on a blog.
It works, however - it feels like to much code and classes for so little. Using Bootstrap 4, alpha 6. Any easier way to make something like this?
Html:
<div class="container m-5 d-flex flex-md-row al...
Not matter the ultimate goal of any legacy X86 system, startup or prologue, should take into consideration the fundamentals. In this case, the intention before dropping into protected or long modes, the user has a means by which to explore the system and have a comprehensive initial screen displa...
Brief On a std::list or std::vector other collection container, the functor map (fmap) operation takes a function/callable of type B(A) and applies it elementwise to a list of As to get a list of Bs:
// Pseudo-code
container<B> fmap( B(A) f, container<A> xs)
{
// Apply f elementwise to xs, and...
I want to get rid of a small jQuery UI code and use pure JavaScript for a plugin name Pikaday:
https://github.com/dbushell/Pikaday
This is what I currently use:
` $("#datepicker").datepicker({minDate: 1});
$("#alpha").click(function() {
$("#datepicker").focus();
});
$("#datepicker").ch...
This is my first post to Code Review, please let me now if parts of this post are not suitable for this exchange.
I have just finished core functionality for Tehsaurux. It crawls three thesauruses and will find a random synonym for you. It works with PHP agnostic and Scrapy for Python.
I thin...
