Development Tag Directory

Featured Development Questions

Is it possible to build an Amazon S3 clone in Perl?
We’re trying to code a file storage app in Perl (similar to almost Amazon S3). Here are some of the requirements we need: Easy API implementation for client side applications Fast High uptime Low memory usage Easy server-side configuration Centralized database Would anybody know the best option for us? Would MogileFS be an option? Thank...

Answer Question   |  April 21, 2014  10:00 PM
Amazon, amazon s3, Perl
asked by:
56,535 pts.

Does a TCP send a SYN/ACK on every packet?
I currently have a TCP server that always listens for an incoming client, then it sends one packet of data every single second. Bur I have a quick question: Does a SYN/ACK packet only get sent on initial connections, like this: SYN ACK DATA DATA DATA Or is it sent with every packet, like this:...

Answer Question   |  April 19, 2014  9:00 PM
Networking, Packets, TCP
asked by:
56,535 pts.

How to measure the actual size of PHP objects?
I’ve been using memcached for cache storage in my web application that’s used by several of our customers. But, it only has a maximum size of 1 MB so I’m looking for a function that would measure the actual size of selected objects/arrays/etc. so I can prevent them from growing so big. This will only...

Answer Question   |  April 18, 2014  2:00 PM
Cache storage, PHP, Storage
asked by:
56,535 pts.

Windows batch script to extract text from PDF
I need to automate the conversion of a PDF file to text format, or extract the text from the PDF file. Is there a Windows batch script that is available to do this, or a good freeware that I can download.  One that is compatible to run on Windows XP, Vista or Windows server 2008....

Answer Question   |  April 16, 2014  7:00 PM
Command line, DOS, PDF, Programming Languages, Windows, Windows Batch Files, Windows Server 2008
asked by:
480 pts.

What degree should I get for software development?
I love programming and software development so I’ve have decided to pursue a career in software development. Which degree should I own and what should I learn and what to do after my xii exams? What will be my salary?

Answer Question   |  April 14, 2014  8:11 AM
IT career, Programming, Software development
asked by:
5 pts.

Backup storage: What’s the best solution for my Python library?
My partner is working on a project in which he’s writing a data processing library in Python that’s going to read data from different sources into memory, manipulate it, and export it into different formats. I’m helping him load the data but some of the datasets are really large (over 4 gigs). So we’re looking...

Answer Question   |  April 13, 2014  4:00 PM
Backup storage, Python
asked by:
56,535 pts.

What’s the difference between an absolute loader and a relocatable loader?
What’s the difference between an absolute loader and a relocatable loader?

Answer Question   |  April 8, 2014  4:05 PM
Programming
asked by:
5 pts.

What would be the quickest way to HTTP GET in Python?
I need to know what the quickest way is to HTTP GET in Python (when I already know the content will be a string). I’ve been searching documents for one-liners like this: contents = url.get("http://example.com/foo/bar") But all I’m finding is “HTTPLIB” and “URLLIB” and I can’t find a shortcut with those libraries. Does Python have...

Answer Question   |  April 6, 2014  6:00 PM
Networking, Python
asked by:
56,535 pts.

How to find packet sent address
I need to create an automated response so that when I receive a UDP packet for a sender, that sender receives the address it was sent from. I tried using the recvform, but that only brings up the address of the sender, not the the address from which the packet was sent.

Answer Question   |  April 5, 2014  11:00 PM
Linux, Packets, Sent messages, UDP
asked by:
56,535 pts.

Sending UDP packets to a different subnet
Can UDP broadcast packets be sent to a different subnet through a router? I’m curious because I need to find certain devices on the network, and some of them may be on different subnets.

Answer Question   |  April 3, 2014  7:00 PM
Packets, Routers, Subnets, UDP
asked by:
56,535 pts.

What’s the best way to store passwords in Python?
I’ve been writing a program using Python and now I need to store some passwords (for FTP servers). I need to make sure these aren’t visible to anyone. And it also means that I can’t store a non-reversible hash of the password (like on a webserver) because I’m not checking if the password is right....

Answer Question   |  April 3, 2014  6:00 PM
Passwords, Python, Storage
asked by:
56,535 pts.

Advice on purchasing a new laptop
I’m looking to buy a new laptop,I mostly use Photoshop and Illustrator (Image editing software). What is the main feature that I should be concerned about regarding the software that I use? Any advice? A buying guide? Thank you all!

Answer Question   |  March 31, 2014  4:16 PM
adobe illustrator, Laptops, Photoshop
asked by:
15 pts.

How can I open a socket in Python
I’m looking to open a TCP client socket in Python and I need some help. Would I have to go all the way through the low-level BSD socket handle or is there an easier way?

Answer Question   |  March 28, 2014  4:00 PM
Python, Socket, TCP
asked by:
56,535 pts.

Is it better to use native iOS and Android development or Adobe Air?
Is it better to invest more money building an Application for iOS and Android in the native way or it worth using AIR for both? I am using a lot of media on the APP, so I want it to be fast.

Answer Question   |  March 27, 2014  6:03 PM
Adobe AIR, Android, IOS, Programming
asked by:
5 pts.

Composite vs Primary Key Storage in SQL
How does a SQL Server store a composite primary key compared to a single primary key?

Answer Question   |  March 24, 2014  9:08 PM
composite key, primary key, SQL Server storage
asked by:
56,535 pts.

How to cut back on the number of Django Files?
I’m using a Django app in conjunction with default Python Filestorage. In this configuration Django generates a lot of files and I want to find a way to cut back on this. Is there another way to do this beyond setting the django-fsfield? I’m looking for something open source.

Answer Question   |  March 24, 2014  8:08 PM
Django, Python
asked by:
56,535 pts.

How can we store passwords in reversible form?
We have a PHP application that use to bash scripts / provide a username and password for remote systems. Currently, we’re trying to find a place to store these records that can be accessible by the PHP. We’re thinking of NoSQL but the problem is that the hashing / storing of these credentials is not...

Answer Question   |  March 21, 2014  1:05 PM
NoSQL, PHP
asked by:
56,535 pts.

How to find the local IP address in Python?
What is easiest way to find the local IP address when using an independent Python platform and the standard library (stdlib)

Answer Question   |  March 19, 2014  8:25 PM
IP address, Python, stdlib
asked by:
56,535 pts.

Pivot table Year over Year % increase
I have created a pivot table. I have a list of years across the top row and the expense amounts under each column. I would like to do a year on year comparison to the previous column. Example 2013-2014        2014-2015         % Diff $354,378,067    $329,570,055       ?? I would like to incorporate this percentage...

Answer Question   |  March 6, 2014  2:33 AM
Pivot tables, PivotTable
asked by:
5 pts.

What is a workable WAMP for PHP?
I am running Windows XP Professional.  I have downloaded a couple of of WAMP’s (Windows Apache My SQL for PHP), but none of them seem to work.  I don’t know if I am doing something wrong, or if they are bad.  Neither of them come with any instructions regarding troubleshooting or have any help links.  I want...

Answer Question   |  February 20, 2014  11:50 AM
Apache, PHP, WAMP
asked by:
35 pts.

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