by: John Dunlop |
last post by:
Q: What does @ (at-sign) do?
A: @ is an operator, which, when prepended to an expression,
suppresses error messages.
Example:
...
|
by: Sarah Tanembaum |
last post by:
Beside its an opensource and supported by community, what's the fundamental
differences between PostgreSQL and those high-price commercial database (and
some are bloated such as Oracle) from...
|
by: Don Clark |
last post by:
Hello;
Admittedly, I'm very new to HTML, and this is my first post to any
newsgroup, so please go easy. I was looking at the html code for an email I
received and noted an href statement that...
|
by: puzzlecracker |
last post by:
what does it do?
#define BLACKBOX(x) ((x)&((x)-1))
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by: Bennett Haselton |
last post by:
If you create a ASP.Net Web application in Visual Studio .Net, you
apparently have to specify the target as a directory on a web server,
e.g. www.hostname.com/dirname, with "dirname" being the name...
|
by: werner |
last post by:
Hi!
I don't want to use eval() in order to parse a user-supplied formula.
What alternatives do I have? PHP has no standard functionality for
tokenizing or parsing expressions in this regard.
...
|
by: Thierry Lam |
last post by:
What does the following macro mean, especially the << sign:
#define hello(x) (( int64 ) floor( (double) x ) << 32)
Thanks
Thierry
|
by: CFAN |
last post by:
Here is a example of double-type-conversion
char * __cdecl _itoa (
int val,
char *buf,
int radix
)
{
if (radix == 10 && val < 0)
xtoa((unsigned long)val, buf, radix, 1);
else
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by: Shraddha |
last post by:
I got a small programm on net...but there was different initialisation
that I saw...
It was as follows:
for ( i = ~0 ; i ; i>>=1);
right shift is ok..But what is meaned by " i = ~0 "...
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by: Charles Arthur |
last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
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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 $name$ ($parameters$) {
}
...
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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...
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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?
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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,...
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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,...
|
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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