Portable code can be run with little to no modification in multiple environments. Portable applications can be run from, for example, a USB drive without modifying a computer's environment.

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73 views

Cross-platform file hash sum generator in Python

I'm back for more community punishment review of my own scripts and code! This time, I'm looking for general code review of my approach to a Python way of getting one or more hash sums for a provided ...
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vote
0answers
25 views

Library for manipulation of binary protocol headers

I'm starting with implementing a TCP/IP stack for embedded systems which will be done in C++ and I've found I need a good way to work with protocol headers involved (e.g. ARP, IP, TCP). Major ...
5
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1answer
55 views

Correct and portable serialization

So I've made custom binary streams which work like this: ...
4
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1answer
46 views

Secure file system utility functions

For Khronos, I've had to develop these utility functions to help me deal with storing the .wav files. However, they could also be used in a variety of applications....
17
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2answers
387 views

The birth of my intelligent assistant: Khronos

I've done a lot of reworking to this main file recently, in regards to using a new speech recognition engine and integrating the last reviews suggestions. My question before is going to be phrased ...
8
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1answer
108 views

Portable safe unsigned integer arithmetic

tl;dr The purpose of the code is to allow writing ...
2
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1answer
264 views

Portable periodic/one-shot timer thread - follow-up

This is a much improved version (I hope) of code in this previous code review of mine. I have: renamed several things. Are the names good? made it lazily start the worker thread only after the ...
3
votes
1answer
71 views

Reverse Polish notation calculator similar to dc on Unix/Linux systems using dynamic libraries

This problem is using dynamic libraries so that additional calculator functions can be added by dropping a library into a specific directory. What I'd like to get out of this code review is: What ...
7
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2answers
67 views

Portable byte order conversion

I'm trying to improve the portability of a file format converter, specifically to POSIX platforms other than Linux. I'd appreciate a review of the following functions used for converting between ...
3
votes
2answers
48 views

Constraining stdin in Python, v2.0

Rags, again. This is the rewrite of Read stdin like a dictator. From that post: All too often I find myself wanting to allow only a certain list of characters to be written to stdin, and only ...
3
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1answer
176 views

Timestamp function with millisecond precision

I want to be able to print timestamps with milliseconds precision and time_t doesn't provide this. I also want the code to be portable, so operating specific ...
0
votes
2answers
54 views

BMP writer in C

I recently wrote a BMP writer in C: bmpWriter.h ...
3
votes
1answer
68 views

Non-curses pager in C (revision 2)

In this revision (follow-up of this post) I've fixed reading from stdin, and also tried to minimise the damage caused by typing additional characters. You might want to see my original post on this. <...
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0answers
45 views

Check if page was scrolled all the way to the end

I am not sure if this is the best way of doing this or if it works in all situations. ...
5
votes
1answer
37 views

Pseudoportable C script pattern - follow-up

See the initial/previous iteration. I have rewritten the script following the answer of @200_success. Now it looks like this: ...
5
votes
1answer
63 views

Pseudoportable C script pattern

(See the next iteration.) From time to time, while working with a command line in *nix family of operating systems, we have to write those scripts doing a rather specific task. Usually we use ...
0
votes
1answer
54 views

Print a “shebang” line, or prepend it to a file

This is a sort-of-useless "utility" I wrote to learn my way around shell programming better. My concerns are: Is the code readable? Could it be more efficient, or just simpler? The logic ends up ...
2
votes
2answers
193 views

Colored <hr> in emails

Sometimes, I need to change the color of <hr> elements in an email. The only achieveable way is by using CSS. But not every email client supports CSS. Most ...
7
votes
2answers
59 views

Printing the days of the week for every day this year

@chux pointed out that my attempted solution contained several problems. Since I screwed that up so badly, I figure that I should put my revised solution up for review. ...
15
votes
1answer
144 views

Khronos: Primary CMake file

So recently I made a large project of mine open source: Khronos. I will be dissecting parts of it so that I can have it reviewed more easily here and so that the project as a whole will be improved. ...
6
votes
1answer
291 views

ANSI colors cross platform

I am trying to write for both NT and POSIX (my two usual platforms) and have come up with the code below. The clrs code I refer to is apparently from blender build ...
3
votes
1answer
75 views

Userscript hiding boxes on linkedin

When looking at people you may know on LinkedIn (requires you to be logged in) there are sometimes some annoying boxes that are for people who are email contacts but not on LinkedIn. I don't want to ...
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2answers
479 views

jQuery plugin that makes a slider out of an <ul> list

This is one of my very first jQuery plugins. In short: it makes a slider out of an <ul> list filled with <li> items ...
6
votes
3answers
156 views

Cross-platform performance and statistical information script

My usual disclaimer, I'm new to Python and scripting and I'm still studying the PEP8 guide, so please forgive any huge failures with respect to syntax, formatting and style. I'm open to any ...
8
votes
1answer
150 views

Looping until browser document is ready

I made a do...while loop in order to wait for the web browser to load completely in order to enter username and password. I don't know whether this impacts the ...
2
votes
3answers
148 views

Simple and safe file reader for C

As an exercise to improve my coding ability in C, I have attempted to write a simple and safe file reader. I believe this should be portable as well to major platforms (correct me if I'm wrong). For ...
3
votes
3answers
2k views

Unix shell function for adding directories to PATH

Adding a directory to the PATH in Unix/Linux is a very common task. However, what if the directory is already in the path? My goal is to write a shell function (...
3
votes
3answers
559 views

More portable toLower() implementation

I am challenging myself to try to attempt to write a function that is as efficient, portable and failsafe as possible. The function is very simple and just converts a ...
0
votes
3answers
70 views

Data-entry keypads for entering addresses

This was a little app I wrote looking for a way to create consistency in the way employees taking phone orders enter the address. The purpose of the app is to require a user to enter a valid address....
6
votes
2answers
969 views

Speed optimization for block XOR

In code I'm currently maintaining, there is a need to do very many repeated XOR operations of blocks of memory. The block size in my case is always 16 bytes. Because the code is executed very ...
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1answer
177 views

Load stylesheet for “rem” value fallback to “px”

I'm applying fallbacks to rem values only if required (you know, the whole progressive enhancement train), without conditional comments (because it's not just an IE ...
8
votes
2answers
120 views

Making multiple copies of a pattern

Here's a function for making multiple copies of a block of memory in another block of memory. It handles the case when the size of the target is smaller than or not a perfect multiple of the source ...
6
votes
2answers
90 views

Inferring Memory Alignment

The following code is intended to infer the alignment of double. My questions include: Is there a better to do this? Either by refining the code or using an ...
2
votes
2answers
792 views

Preventing XSS attacks with proper escaping

The following page simulates XSS attacks and successfully (?) prevents them. I want to know if I've missed any other major attack vectors (or small ones) and/or if anyone has suggestions as to ...
7
votes
1answer
2k views

Restricting user to one open tab in browser

I had a requirement to restrict my web site's users to just one open tab in the browser. I am aware that this is not the best thing to do in terms of general user experience guidelines but its an ...
5
votes
1answer
265 views

Vertical-align in Nested Column

Requirements: There are two columns. The left column is fixed width. The height of two Column should be the same. Left column contain a title (can be multi-line) and an Image (limit max width to ...
3
votes
1answer
100 views

Parsing OS names

I am making a function to return a two-item tuple of ('os basename', 'os distro'). For instance, the return for Vista should be ...
6
votes
1answer
248 views

Program that replicates itself

While misreading the beginning of Stage I of this classic paper by Ken Thompson, I decided to create program that replicates itself. Let's say this program is called Replicator.exe. Upon running it ...
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2answers
222 views

A platform-independent implementation of “which” in Ruby

I like to know if there's anything that I may have missed in this implementation. The method tries to provide the absolute path of the binary or script which is likely to execute based on the provided ...
4
votes
1answer
91 views

Pathname matching and listing program

This Python 3 program outputs a list of all pathnames in the filesystem that match a list of rules taken from a file. You can add and remove sets of pathnames. The original purpose was to generate ...
4
votes
2answers
195 views

JavaScript parallax cross-platform efficiency

I wanted to get some feedback on this JS I am working on. It works wonderfully on my desktop, but on my and my friends' laptops (especially Safari) it is very slow. I need some pointers on improving ...
9
votes
1answer
311 views

Recording audio in C 2.0

I posted my audio recording program to Code Review before, and received a stern review along with the other reviews that caused me to rewrite the entire code base. Here is what I would like reviewed: ...
14
votes
2answers
18k views

Windows keylogger in C

I have had this keylogger code for a while now (a few years*), and I figured I would put it up for review. Here is what I would like reviewed (in order): Portability - right now, this program can ...
5
votes
2answers
208 views

VLC media player watchdog daemon v6

This question is a follow-up to a previous version of this program, which I wrote because I found it annoying that VLC Media Player (which I love) prevents the screensaver from starting after playback ...
4
votes
3answers
4k views

Checking endianness at compile-time

I've tried to make a portable way of ensuring endian-specific code gets generated at compile time using C++11, however I only have a computer with Windows on it to test at the moment. Because of this, ...
8
votes
1answer
355 views

VLC media player watchdog daemon

I'm looking for bugs, ways to make it more portable or standardized, improvements of any kind. Seems to do what it is supposed to on my Ubuntu 12.04 PC. ...
15
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1answer
1k views

Brainfuck-to-C compiler written in C++

This compiler, implemented in C++, takes brainfuck code and produces a valid (but still obfuscated) C program, which in turn can be compiled to a native binary. Expected usage is as follows: Build ...
7
votes
2answers
643 views

Serial port library across different compilers

I'm writing a C++ library with MinGW (4.8.0, DW2, POSIX) compiler. But this library must be used by another compiler. I've read this post, so I've re-written the C++ library interface in this way: <...
5
votes
1answer
163 views

Portability and “dark corner” gotchas in this “watchdog” program

The following program is intended to "watchdog" a child process, and all subprocesses the child spawns. The intended behavior is: A child process (as specified on the command line) is run in a ...
5
votes
2answers
1k views

Portable Python CSV class

I have been working on a project where I needed to analyze multiple, large datasets contained inside many CSV files at the same time. I am not a programmer but an engineer, so I did a lot of searching ...