This currently does what I intend:
nested :: Request -> Maybe Response
nested = runKleisli . unwrapArrow
$ WrapArrow (Kleisli (preview (prefixed "/name") >=> app1))
<|> WrapArrow (Kleisli (preview (prefixed "/surname") >=> app2))
where
prefixed :: Text -> Prism' Request Reques...
Please comment about speed and memory optimization for my code.
converting and 10 bit raw image (bayer pattern) from int**
and displaying some lines.
void AutomaticMacbethDetection::DrawMacbethROI(ColorCheckerBatchRGB ColorCheckerBatchRGB, int ** raw_frame,int _width, int _height)
{
//Mat(i...
I assigned myself a programming challenge, the storyline is as follows:
Let's say you were assigned a simple programming task for homework.
The teacher is lazy and so good at reading code, he therefore states:
code must be fully commented.
He requires comments on even the dumbest of...
G'day,
Currently learning about steganography at UNI, so I decided to try it. Was looking for some feedback on the way I decided to do it.
Normally, you would change the LSB of the RGB channels in a pixel, they would represent the bits you are storing in the image. My method differs in that I ...
I have the following code which is responsible for the validation in our app (just an example).
Based on the particular tab where user can add person to the database we need to perform additional validation (more fields in each tab).
Fields that always should be validated are name and surname ...
Your bracing style confused me a little bit at first, from my experiences and from gossip around the "water cooler", the most accepted bracing style for C# is next line and not Egyptian style (that's for Java and JavaScript).
You can also streamline more than one using in a row so that you don't...
I am simulating similar task https://phet.colorado.edu/sims/html/balancing-act/latest/balancing-act_en.html
using javascript jQuery almost, Archived functionality still remains few bugs.
when I dropped element removing from one area and appending into another area.
appended area parent is rotated...
Below is the solution:
def approx_deriv(fn, x, dx=0.00001):
return (fn(x + dx) - fn(x))/dx
def improve(update, isdone, guess=1, max_iterations=100):
def recur_improve(guess, i):
if i > max_iterations and isdone(guess):
return guess
else:
return recu...
I am trying to learn golang.
This is a problem from Robert Sedgewick's Algorithm's book:
You have a mixed pile of N nuts and N bolts and need to quickly find
the corresponding pairs of nuts and bolts. Each nut matches exactly
one bolt, and each bolt matches exactly one nut. By fittin...
I am doing the following about 10 times with other strings, so the code is duplicated. I was wondering how I can refactor this?
string account = string.Empty;
if (queryWhere.ContainsKey("account")
&& queryWhere["account"] != null
&& !string.IsNullOrEmpty(queryWhere["account"].ToString()))
...
This code extracts marks of all students in class and stores the result in a file results.txt. It uses BeautifulSoup. Looking for code review and suggestions. Thank you.
from bs4 import BeautifulSoup
import requests
file = open("results.txt","w")
for roll in range(1,60):
if roll in range(1...
Here's a quick extenstion for [String: AnyObject] dictionaries in Swift. The output needs to be in the following format (order and spacing don't matter):
{"key": "val", "keywdict": {"anotherKey": 100, "Key2": "Val2"}, "strings": ["string", "another"]}
I am wondering if there's a better way, or...
how to implement interface concept for making a simple calculator in c#.
using System.Linq;
using System.Text;
namespace MultipleInheritApplication
{
interface calc1
{
int add(int a, int b);
}
interface calc2
{
int sub(int x, int y);
}
interface calc3...
I'm struggling with an easy question. I would like to be able to print
'value' to a column as many times as there are integers in 'count'. I can print the correct result, but not write to a list in a csv. Does anyone know why I would get the following: writer.writerow(i) _csv.Error: sequence ex...
I am just getting into front-end web development and to practice, I made a dropdown selector that allows for more styling than the regular <selector> element.
Please let me know what I can improve on (Examples are appreciated, but not necessarily needed). I am mainly looking at the javascript, ...So far I have not had any issues until trying to figure out spacing required between the centerline of one pipe, and the centerline of another pipe. In order to do this, the user needs to input the size of both pipes. I then want the program to retrieve the outside diameter of the flange of the l...
consider the following code
if self.secondary_manifest is None:
do_something
else:
logger.debug("secondary manifest already present")
In the above python code there is no practical usage for the else condition other than logging. Is it appropriate to do logging like this ? or am ...
I have a query that returns an array or associative arrays of ids and years. It looks like this:
[{"id":8,"year":1950},{"id":9,"year":1950},{"id":8,"year":1951},{"id":9,"year":1951},{"id":8,"year":1952}]
There is a fixed number of ids, but they each have many years associated. I wrote the foll...
I am new to Ruby and trying to pass some RSPEC tests to write a tic tac toe game. Can anyone help with this? Here are the following tests:
describe Computer do
it "take a winning cell in a row if available" do
board = ["X"," "," ",
"O","O"," ",
" ","X"," "]
...
public class PaintBrush extends Applet implements ActionListener, AdjustmentListener, MouseListener, MouseMotionListener
{
private final int MAX_X = 800;
private final int MAX_Y = 600;
private final int NO_OP = 0;
private final int PEN_OP = 1;
private...
So, One of my companies developers wrote this. Not me. Alright, it was me.
How can improve this puke?
$return = array();
$i=0;
foreach ( $prospects AS $key => $p ) {
$name = htmlentities(str_replace("'", "", $p->name));
$name = "<a href=\"/LAND/prospect/" . $p->id ...
The shortest & easiest solution for the ListView inside a ScrollView problem.
You do not have to do anything special in layout.xml file nor handle anything on the parent ScrollView. You only have to handle the child ListView. You can also use this code to use any type of child view inside a Scro...
I have multiple (1000+) JSON files each of which contain a JSON array. I want to merge all these files into a single file.
I came up with the following, which reads each of those files and creates a new object with all the contents. I then write this new object into a new file.
Is this approach...
Beyond not having the basic framework for the HTML, you have one error according to the W3C validator:
<input id="display" value="0" size="15" readonly="true" >
readonly="true" is not valid, the correct attribute is readonly="readonly"
There is a pretty bad UI problem here. When you click th...
I would like to get a full on review on my sendAjaxRequest function.
Suggestions for any improvement are always welcome!
sendAjaxRequest.js
var sendAjaxRequest = (function () {
'use strict';
return function (settings) {
var url = settings.url,
method = settings && ...
I have a set of pretty large files (>2 GB, over 30m rows) containing intraday data in the following format:
TIC, Date, Time, Bid, Offer
AAPL, 20090901, 09:45, 145, 145.5
AAPL, 20090902, 09:45, 145, 145.5
AAPL, 20090903, 09:45, 145, 145.5
I also have a file that contains exactly those dates th...
I've been struggling with registering a plist into NSUserDefaults and I've finally got it working, though I'm not sure that its written properly. I'm hoping someone here can shine some light on this process.
My intention with this code:
I want to be able to set all of my values in a plist and ...
