newbie: bitcount for unsigned interegers

by: Andy | last post by:

Hi, Are 1 through 4 defined behaviors in C? unsigned short i; unsigned long li; /* 32-bit wide */ 1. i = 65535 + 3; 2. i = 1 - 3; 3. li = (unsigned long)0xFFFFFFFF + 3; 4. li = 1...

C / C++

c# Fast Bitcount for UInt64 needed

by: SoftwareTester | last post by:

I need a fast bitcount for UInt64 My variables usually contain up to 8 bits set but regurlarly between 30 and 56. At various places i found a fast one for UInt32 and on one site I even found a...

.NET Framework

Newbie: Keep TCP socket open

by: Alan Wright | last post by:

Hi Folks, I am newbie to Python, but have successfully created a simple client and server setup, I have one issue though. I am trying to test a box by sending many TCP conns (WHILE loop) but not...

Python

Newbie question: How to define a class that will work on bits from abinary file?

by: Damfino | last post by:

Hi all, Newbie question here wrt defining a class that will work on bits read from a binary file. How would you go about doing it? As an example please look at the structure of my data given...

C / C++

newbie: Packed bitspecs?

by: oiccicny | last post by:

Is there a way to do the following code so that day_data and other_data_1 occupy the same byte in memory? Using the debugger, the addresses I'm getting are: 12ff5c - myVar.day_data 12ff60 -...

C / C++

Comp. Error : request for member 'dst_group' in something not a structure or union

by: hnshashi | last post by:

I have writtem kernel(2.4) module to commu. with user space appl. using netlink socket. I am getting compilation error. kernel module:-> #include <linux/skbuff.h> #include<linux/module.h> ...

C / C++

Newbie problem inserting into MySQL

by: len | last post by:

Hi All I have started a little pet project to learn python and MySQL. The project involves figuring out all the combinations for a 5 number lottery and storing the data in a MySQL file. The...

Python

Re: Newbie problem inserting into MySQL

by: Edwin.Madari | last post by:

-----Original Message----- statement prepared first and executed many times with exectemany - db API http://www.python.org/dev/peps/pep-0249/ inline statemets can be exeucuted only. hope that...

Python

How to design the new bitcount function?

by: jacklisp | last post by:

When I do the exercises I met a question: In a two's complement number system, x &= (x-1) deletes the rightmost 1-bit in x. Explain why. Use this observation to write a faster version of bitcount....

C / C++

Wordpress or something else?

by: Faith0G | last post by:

I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...

Content Management Systems

One-click Importing Excel Data into a*Database

by: ryjfgjl | last post by:

In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...

Microsoft Excel

How to turn on java script in a villaon keypad mobile phone

by: Charles Arthur | last post by:

How do i turn on java script on a villaon, callus and itel keypad mobile phone

Java

Basic Javascript concepts

by: aa123db | last post by:

Variable and constants Use var or let for variables and const fror constants. Var foo ='bar'; Let foo ='bar';const baz ='bar'; Functions function $name$ ($parameters$) { } ...

Javascript

Batch import of multiple excel files into the database

by: ryjfgjl | last post by:

If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...

Data Management

Merging data from multiple Excel files

by: ryjfgjl | last post by:

In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...

Data Management

Migrating Website to Cloud - Emmanuel Katto

by: emmanuelkatto | last post by:

Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

General

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

How to build RAID in BIOS?

by: Hystou | last post by:

There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

Computer Hardware

newbie: bitcount for unsigned interegers

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