by: Yaroslav Bulatov |
last post by:
I made an array of 10 million floats timed how long it takes to sum
the elements, here's what I got (millis):
gcc -O2: 21
Python with numarray: 104
Python with Numeric: 302...
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by: ur8x |
last post by:
Why does this declaration give undefined result:
file1: extern char * p;
file2: char p;
Let's assume p has been initialized, now accessing p...
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by: simkn |
last post by:
Hello,
I'm writing a function that updates an array. That is, given an
array, change each element.
The trick is this: I can't change any elements until I've processed
the entire array. For...
|
by: Winston Li |
last post by:
In the Brain and Denis' book "The C Programming Language" Section 5.3
"Pointes abd Arrays", a statment goes:
"Any operation that can be achieved by array subscripting can also be done
with...
|
by: yeti349 |
last post by:
Hi, I'm using the following code to retrieve data from an xml file and
populate a javascript array. The data is then displayed in html table
form. I would like to then be able to sort by each...
|
by: Raman |
last post by:
Is there any performance gain in using
*(a+i) instead of a
for declaration
int a
If no then why people call pointers more faster than arrays.
|
by: vfunc |
last post by:
If I have a large array 10,000+ elements then how do I reserve memory
for this ? Currently I get a segmentation fault. Dynamic reservation
is good, but allowing a chunk for the program is an...
|
by: copx |
last post by:
Unforuntately, I know next to nothing about ASM and compiler construction,
and while I was aware of the syntactic differences between pointers and
arrays, I was not aware of this:
...
|
by: Immortal Nephi |
last post by:
I would like to design an object using class. How can this class
contain 10 member functions. Put 10 member functions into member
function pointer array.
One member function uses switch to call...
|
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...
|
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...
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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...
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by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
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,...
|
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...
|
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,...
|
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...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
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