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by: eric.gagnon |
last post by:
In a program randomly generating 10 000 000 alphanumeric codes of 16
characters in length (Ex.: "ZAZAZAZAZAZAZ156"), what would be an
efficient way to ensure that I do not generate duplicates?
STL set, map?
Could you give me a little code example?
Thank you.
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by: Leon |
last post by:
I need a program that generate 5 non-duplicates random number between 1-10
as string values store in an array.
Do anybody know of any good books or websites that explain how to generator
random numbers using asp.net? I know about the random namespace within .net,
but
I need a reference to some code that do the similar stated function above.
Plus If you have any coding practice ideas for the above defined project
please share them.
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by: Intiha |
last post by:
Hello all,
I am trying to generate random seeds for my simulations.
currently i was using srand(time(NULL); for this purpose.
But for confidence in my results i ran it using a script in a loop.
Since the time b/w execution is very similar, many simulation runs
resulted in exact same results.
Is there a better way of seeding the random number generator in c/c++
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by: Simon Wittber |
last post by:
I'm building a web application using sqlalchemy in my db layer.
Some of the tables require single integer primary keys which might be
exposed in some parts of the web interface. If users can guess the next
key in a sequence, it might be possible for them to 'game' or
manipulate the system in unexpected ways. I want to avoid this by
generating a random key for each row ID, and have decided to use the
same approach for all my single key...
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by: randomcz |
last post by:
hi,
i need help with generating random numbers;
The task is to generate hundreds of random vectors, like
1,3,5,6,7
2,4,5,4,8
...
I used the current time as the random seed, but it turns out
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by: Velhari |
last post by:
Hi,
I am a beginner. Please tell me, For generating Random Numbers, Initially why we are going for seed method.
And another question is that, I want to print unique random number how to print by using rand() method to print unique random number.
And finally i want to know, If a program generate random numbers and the same program will execute after 100 or some days, it will not to generate the old random number (i.e the random number...
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by: avanti |
last post by:
Hi,
I need to generate random alphanumeric password strings for the users
in my application using Javascript. Are there any links that will have
pointers on the same?
Thanks,
Avanti
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by: dav3 |
last post by:
Howdy folks, was wondering if anyone could assist me in a better method for generating a alphanumeric sequence of 6 characters/digits. The method I am currently using gives me a random license plate number for a project I am working on. But I am unsatisfied with the results I am getting. Here is my current method, it works but like I said there has to be a better way of doing it.
public static String plate()
{
int x = 6;
char plate...
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by: SammyB |
last post by:
These are some "random" thoughts about generating random numbers in Visual Basic.
Wikipedia will give a better introduction than I, see http://en.wikipedia.org/wiki/Random_number_generator.
The key point is that you need to start the random number generator with a seed. Doing it in the form load with the number of milliseconds since midnight is an easy way to start.
The VB.Net version
This demo project will be as simple as I can...
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by: bilgekhan |
last post by:
What is the correct method for generating 2 independent random numbers?
They will be compared whether they are equal.
What about this method:
srand(time(0));
int r1 = rand();
srand(rand());
int r2 = rand();
bool f = r1 == r2;
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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