I am developing code for extracting data from a used car sales site. There are 4 sites in total. In 3 of them I use requests and beautifulsoup. The time taken to extract data from these sites was satisfactory. The problem is that the extraction of data from the site whose class is called Localiza...
I'm practicing to write c++11/14 and I implemented a RW lock. Does everything look ok?
class RWLock {
public:
void readLock() {
std::unique_lock<std::mutex> lock(mutex);
waitingReaders.wait(lock, [this]{!writer && queuedWriters == 0});
++readers;
}
void readUnlock() {
std::uniqu...
In a Ruby on Rails application I want to have this routing:
for url www.example.com/reports go to controller documents and action reports
for url www.example.com/charts go to controller documents and action charts
In the routes.rb file I currently have:
scope controller: :documents do
get ...
I have the following stored procedure:
CREATE DEFINER=`xxxxxx`@`%` PROCEDURE `my_sp`(IN duration INT, IN period VARCHAR(5), IN type_cat VARCHAR(8), IN size_class_list VARCHAR(1000), IN zones_list VARCHAR(1000), IN laden_flag_list VARCHAR(255))
BEGIN
DECLARE time_frame INT;
SET time_frame...
I'm trying to see if a ArrayList contains a specific Element that has multiple parameters but i just can't get it to work.
class Auto {
private String marke;
private String modell;
private String farbe;
private boolean automatikgetriebe;
public Auto(String marke, String modell, String farbe, b...
I wanted to read the Value of class = "recordCount", which is 4.
When I am trying with document.getElementsByClassName("recordCount"), but its not working...
Since there is a grouping on the 1st Column td name ="v0", so unable to fetch the exact data.
Any help would be really appreciable.
Below i...
This is a simple script which inserts data into a couple of tables. I'm very new to SQL so any feeback, of any kind, would be much appreciated!
DECLARE
@Model_ID INT
, @ModelVersion VARCHAR(10)
, @ExistsInDM INT
, @IsActive BIT
SET @ModelVersion = '2.46.7' -- new version numb...
This is my first time using RxJS (or any observable library). It seems to work okay but I'm not sure about best practices.
Markup
<div class="field">
<label class="label">Password</label>
<div class="control has-icons-left">
<input id="password" class="input" type="password" />
<spa...
I don't feel like I'm taking advantage of React or ES6.
I guess, it looks messy and complicated.
But it does work!
However, I'm just not sure how to make it look better and maybe what I have here is actually fine.
I was hoping for some opinions and any suggestions are appreciated!
Here is an...
Intro
I have started a new course (Analyzing Big Data with Microsoft R) and have an exam soon.
So I wanted to test my skills, and a nice way to do this was by doing a Kaggle competition Titanic: Predicting Disaster. I managed to get a decent score (80%). You can run this script by first downloa...
I was refactoring some of my utility code modules used in my test projects, and wanted to apply my knowledge of clean OOP design patterns and SOLID principles to make these modules more useful and easier to use.
I have an interface called IFtpFileCleaner:
/// <summary>
/// Responsible for delet...
i have look around and read DOCs on zip functions but did not see how to specify the location where the file will be stored...it automatically stores in my working directory
here is my code
from zipfile import ZipFile
from os.path import basename
with ZipFile('my_python_files.zip', 'w') as zip...
I've got a long running piece of code and I've narrowed it down to a few LINQ calls. I was hoping if there's any way to make this go faster?
/*
List<string> locationTypeList;
Guid locationId;
DateTime effectiveDate
*/
var dispatched = _db.OldDispatches
.Where(a => a.LocationTypeType != null &&
I am developing a distributed table game that communicates with the Server with Requests and then the Server notifies the Client whenever it's needed.
There is a main View class that Extends Application which does run the JavaFX Stage with different Scenes which I've created using JavaFXML and F...
Learning clojure.
A while back I made a python bank account for my kids, teaching them to save. have a look here.
The Python one was a class and it created a table that had a little interest function that showed what their money will do if it sits there. Needless to say that teenagers are not i...
I am solving interview questions from here.
Problem : Given a N cross M matrix in which each row is sorted, find the overall median of the matrix. Assume N*M is odd.
Note: No extra memory is allowed.
For example:
Matrix= [1, 3, 5]
[2, 6, 9]
[3, 6, 9]
...
This is my first question posted on code review. I'm learning iOS through this past Stanford CS193P course. I've just completed the first assignment and would love a code review as I can't actually turn in an assignment for feedback since the course has already completed :)
The code can be been ...
The given code gives correct output but exceeds the time limit and I have no idea how to optimize it. I know it is of O(n^2) complexity but I am not able to get anywhere near to optimizing it. Even a few hints would be appreciated.
The question was [this][1].
[1]: https://i.stack.imgur.com/wLGx5...
I'm asking in reference to this question that I just asked.
Often, I'll write a piece of code that works, but is ugly or inefficient. I know that Stack Overflow is not Code Review and isn't meant to be a place where people discuss the quality of code, but is it OK to ask a specific question reg...
I'm creating a mini game for Android inspired by space invaders and Moon Patrol. I have completed the important part except for collision detection. Before I do collision detection I want to clean the code and make it more idiomatic but I am not sure how. It has several global variables and dif...
This is my first question posted on code review. I'm learning iOS through this past Stanford CS193P course. I've just completed the first assignment and would love a code review as I can't actually turn in an assignment for feedback since the course has already completed :)
The code is below but...
Here is my program where I create, increase and read a monotonic counter. Because I am new with Intel SGX. Βelow I show you what I have done until now, because I am not sure if this is the right way to do it. Is that code safe, trusted and isolated? May I have to add something else? Or I have to ...
Supposing I have a piece of paper that can be folded infinitely.
In the first $5 \, \mathrm{s}$, I fold it to twice its thickness.
In the next $5 \, \mathrm{s}$, I fold it to 4 times.
If I fold it to twice its thickness in the $n^{\text{th}}~5 \, \mathrm{s}$, since time increases linearly and t...
https://github.com/ivtechboyinpa/Comic-Downloader
I just finished what I consider the first major achievement (release) of my application as all the core functions that I wanted to get working, are working! That being said, I would love if someone could look over my code as I know there is tons ...
Here's my function that creates a bitmap file from an array of pixels. It can write a bitmap both with transparency and without transparency. Please review my code and give constructive criticism on how to increase the overall quality of it. :)
typedef unsigned char BYTE;
inline int bmpEncod...
I was trying to answer a question on stack overflow found here. I took the idea that the OP was trying to do and I wrote my own program based off of their question. I was trying to provide the user with some tips and suggestions while illustrating some of the similarities yet differences between ...
