"out" and "in out"Hi i found the following explaination:
In Ada, "in" parameters are similar to C++ const parameters. They are
effectively read-only within the scope of the called subprogram.
Ada "in out" parameters have a reliable initial value (that passed
in from the calling subprogram) and may be modified within the scope
of the called procedure. Ada "out" parameters have no reliable
initial value, but are expected to be assigned a value within the
called procedure.
What does "have no reliable initial value" mean when considering the "out"
parameter?
By c...
why "::", not "."Why does the method of modules use a dot, and the constants a double
colon?
e.g.
Math::PI and Math.cos
--
Posted via http://www.ruby-forum.com/.
On Oct 26, 2010, at 01:48 , Oleg Igor wrote:
> Why does the method of modules use a dot, and the constants a double
> colon?
> e.g.
> Math::PI and Math.cos
For the same reason why inner-classes/modules use double colon, because =
they're constants and that's how you look up via constant namespace.
Math::PI and ActiveRecord::Base are the same type of lookup... it is =
just that Base is a module and PI is a float....
about "++" and "--"why this program snippet display "8,7,7,8,-7,-8"
the program is:
main()
{
int i=8;
printf("%d\n%d\n%d\n%d\n%d\n%d\n",++i,--i,i++,i--,-i++,-i--);
}
> why this program snippet display "8,7,7,8,-7,-8"
Ask your compiler-vendor because this result is IMHO implementation-defined.
Check this out:
http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.15
http://www.parashift.com/c++-faq-lite/misc-technical-issues.html#faq-39.16
Regards,
Irina Marudina
fxc123@gmail.com wrote:
> why this program snippet display "8,7,7,8,-7,-8&q...
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"In" "Out" and "Trash"I just bought a new computer and I re-installed Eudora Light on my new
computer. But when I open Eudora, the "In", "Out" and "Trash" links
are not on the left side of the screen the way they were on my old
computer. How can I get these links back on the left side of the
screen? Thank you.
On 25 Mar 2007 09:49:22 -0700, "abx" <abfunex@yahoo.com> wrote:
>I just bought a new computer and I re-installed Eudora Light on my new
>computer. But when I open Eudora, the "In", "Out" and "Trash" links
>are ...
Urgent JAVA Requirement in """"""NEW YORK"""""""""Hello Partners,
How are you ? Please find the requirement below.
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engineering in Texas (...) Dr. Sokolich chose to end the proceedings by
signing a Consent Order that was accepted by ...
puts "\\".gsub("\\", "\\\\")Hello, I have a mini-ruby quiz. Guess what this line of code writes to
the console, then try it for yourself:
puts "\\".gsub("\\", "\\\\")
Why is that so?
Martin
From: martinus [mailto:martin.ankerl@gmail.com]=20
# Hello, I have a mini-ruby quiz. Guess what this line of code writes to
# the console, then try it for yourself:
# puts "\\".gsub("\\", "\\\\")
puts "\\".gsub("\\", "\\\\")
\
#=3D> nil
# Why is that so?
faq. escaping the escape in sub/gsub. search the archives.
maybe you want somethin...
Question about "sprintf" "@" "do for"Hello,
this works:
A1=3D1
A2=3D2
A3=3D3
i=3D1
vari=3Dsprintf("A%.f",i)
print vari,"=3D",@vari
i=3Di+1
vari=3Dsprintf("A%.f",i)
print vari,"=3D",@vari
i=3Di+1
vari=3Dsprintf("A%.f",i)
print vari,"=3D",@vari
do for [i=3D1:3]{
vari=3Dsprintf("A%.f",i)
print vari
}
But I want to have "print vari,"=3D",@vari" in the loop. But it dosen't=20
work. Why can't I use "print vari,"=3D",@vari" in the loop? Is there a=20
solution for?
J=C3=B6rg
Jörg ...
"A" is not equal "A"?I was trying to convert String Array to String A through cycle and than compare the result with String B but eventhough results were the same it returned false.
I'am working in BlueJ 3.1.0
Code is:
public boolean Method ()
{
String[] Example = {"a","b","c"};
String A = "";
String B = "abc"
for (int i = 0; i<3 ; i++)
{
A = A + Example[i];
}
if (A == B)
{
return true;
}
}
never got true...
I appreciate any suggestions how to solve this
Den 08.04.2014 10:06, skrev 245dav@gmail.com:...
Re: "out" and "in out""no reliable initial value" means, you cannot rely on the value, but it may have a value. This depends on the parameter passing mechanism, which is _not_ related to the parameter mode (contrary to what many people think).
So the parameter mode is there (nearly) solely for the information of the reader. The parameter passing mechanism for all kinds of parameters is defined in the RM. There are parameters passed by copy (in and out), by reference; for some it is explicitly left undefined.
In your case, the passing mechanism is by reference, so you get what you get. But don't rely...
why have both "." and "->" ?I used to remember why c++ needed both ?
Could somebody help me here ?
For example
class A{
f();
};
A* aa;
You could do either "aa->f()" or "(*aa).f()". So why does C++ need both operators.
Raj
"raj" <rajkumar@hotmail.com> schreef in bericht
news:d7fee6d0.0406230748.694b966b@posting.google.com...
> I used to remember why c++ needed both ?
> Could somebody help me here ?
>
> For example
>
> class A{
> f();
> };
>
> A* aa;
>
> You could do either "aa->f()" or "(*aa).f()". So why does C++...
what does the "+" and the "-" mean?I recently read what the "+" and the "-" signs mean for compact discs. Of
course, a friend has just
asked me and I now forget. I've searched all over the place with no results.
Anyone know?
TIA!
.. --------------------------------------
Mike Richter, were you born with
"Scam Artist" emblazoned on your face?
--------------------------------------
roscoe james wrote:
>
> I recently read what the "+" and the "-" signs mean for compact discs. Of
> course, a friend h...
how to change "/" to "\"iam new to shell scripting and i have plz can anyone help in changing
the pattrern "/" to "\" using the sed command.
olympie@gmail.com wrote:
> iam new to shell scripting and i have plz can anyone help in changing
> the pattrern "/" to "\" using the sed command.
sed 's/\//\\/g' will replace all '/' with '\'
srp
--
http://saju.net.in
Saju Pillai <saju.pillai@gmail.com> wrote:
>> iam new to shell scripting and i have plz can anyone help in changing
>> the pattrern "/" to "\" using ...
"==" is NOT TRUE "==", WHY?[CODE START]
x=5;
y=8;
if (x + y + 1E-15 == 13)
a = 3
else
a = 8
end
[CODE END]
When x + y + 1E-15, the code above returns a = 8.
When x + y + 1E-16, the code above returns a = 3.
Why? Kindly advise. Thanks.
"onemilimeter Chen" <onemm@example.com> wrote in message
<g7adrj$5tr$1@fred.mathworks.com>...
> [CODE START]
> x=5;
> y=8;
> if (x + y + 1E-15 == 13)
> a = 3
> else
> a = 8
> end
> [CODE END]
>
> When x + y + 1E-15, the code above returns a = 8.
> When x + y + 1E-16, the code above returns a = 3.
>
> Why? ...
Is there any """Anti Stringizing operator #"""Hi everybody:D
I've a string that contains the name of a class.
Some members told that I can use """Stringizing Operator (#)""", but
the problem is here, that I have the string, & I want something vice-
versa.
As we know with """Stringizing Operator (#)""", we can get the stirng
name of a class or ... str <--- #ClassA
But I want to instantiate a class that I have just it's name as a
string.
ClassA * clsA = new ??? <--- Str ???
How can I do it?
I don't want to use """HardCoding"&qu...
"plot", "imshow" and "quiver"Hi all. So recently I made the discovery that when use "imshow" command, the YDir parameter under Axis Properties is set to "reverse" by default. To me this seems counter intuitive. Why wouldn't YDir be "normal" by default? When set at "normal" it turns out that my image is actually flipped upside down.
On the contrary, when use "quiver" command to plot a vector field, the YDir is set at "normal" by default. Even though this makes more sense to me, because "reversed" YDir is the correct way to display an image (as in "imshow"), the result of "quiver" is that the vector fields this time depict the objects as if they are upside down... So every time I use "quiver" I always add the following line to revert the objects back to its normal orientation... set(gca, 'YDir', 'reverse')...
In addition, "plot" uses "normal" setting for YDir.
The only issue I have is that I use these commands fairly frequently in my job and sometimes they can get a little bit confusing in terms of display. So I wonder why MATLAB hasn't standardized them so that the objects always get displayed the same way. It's just a comment I have. Thank you.
"Clare " <flyingclare@gmail.com> wrote in message
news:hefvdk$3md$1@fred.mathworks.com...
> Hi all. So recently I made the discovery that when use "imshow" command,
> the ...
["a", "b", "c", "d"] to "a, b, c, d"?I want to process each element of an array, but the last element
should be handled special. Here is an example:
def p_ary(ary)
str = ""
ary.each do |elem|
str << elem << ", "
end
str.chomp!(", ")
str
end
so p_ary(["a", "f", "x", "test"]) produces "a, f, x, test". The code
works, but isn't there an easier and more general way for this
behaviour?
martinus
On Tue, 06 Apr 2004 04:23:22 -0700, Martin wrote:
> I want to process each element of an array, but the last ele...
if("0X0"=="000"){echo "boo";}Hi ;)
Everything is in the title. the prob is "boo" is displayed ! Can you
believe it ? Thanx for anyone who can help me.
fabrice.
Fabrice R=E9gnier wrote:
> Hi ;)
>
> Everything is in the title. the prob is "boo" is displayed ! Can you
> believe it ? Thanx for anyone who can help me.
>
> fabrice.
That's because they are equal! PHP interprets the string "0X0" as zero
in Hexidecimal and that is equal to 0.
What are you trying to accomplish?
Ken
Fabrice R?gnier <regnier.fab@free.fr> wrote:
> Everything is in the title. the pr...
Why "Let*" and not "Let" after "do" in a loop??? Grrr.Here is a bit of code...
(defun example ()
(let ((listlen (1- (length *text-array*))))
(loop for i from listlen downto 0
for j = (nth i *text-array*)
;position of first alpha character.
do (let* .....insert bindings plus body of let* code
here etc...
So... Why does that last "let*" work while a "let" in the same place
does not and throws an error about how the variables in the bindings
following the let have no value?
The following is the bit of code I was working on that brought up the
issue... it is part of code that I am post...
Problem with "Expect" ? "Telnet"? "TclApp"?Hi,
My script try to "Telnet" a machine with "Expect", and it is wrapped
to EXE extension with "TclApp". DEP is turned off, and file
dgbhelp.dll exists. And now, I run the script. It works well in some
PC. However in others, it turns out that the commands in "Telnet" is
not executed. I capture the packets, and find that the "username" is
not promoted when the server ask for it. Then I try the tcl extension
script, it is OK in every PC.
I have no idea what's going on.It is the problem of "Expect",
"Telnet", or "TclApp", or the OS of my PCs?
zhoujingyu
Regards,
The problem troubles me so much. I am crying for you help. Can anyone
give me some advice? Thank you very much!
Regards,
zhoujingyu
At 2008-04-23 08:51PM, "1985zhoujingyu@163.com" wrote:
> The problem troubles me so much. I am crying for you help. Can anyone
> give me some advice? Thank you very much!
Show us your Expect script.
--
Glenn Jackman
"If there is anything the nonconformist hates worse than a conformist,
it's another nonconformist who doesn't conform to the prevailing
standard of nonconformity." -- Bill Vaughan
On 4=D4=C224=C8=D5, =CF=C2=CE=E79=CA=B124=B7=D6, Glenn Jackman <gle...@ncf.c=
a> wrote:
>
> Show us your Expect script.
>
> --
> Glenn Jackman
> "If there is anything the nonconformist hates worse than a conformist,
> it'...
"Log out", "Shut down", and "Restart" inoperative?> This message is in MIME format. Since your mail reader does not understand
this format, some or all of this message may not be legible.
--B_3174031899_112514
Content-type: text/plain; charset="ISO-8859-1"
Content-transfer-encoding: 8bit
(BTW, thanks to all for suggestions re. Network performance � it turned out
there was some packet loss)
Selecting log out, shut down, or restart from apple menu has no effect on G5
w/10.3.4 (with latest patches). Sleep does work, however.
No �spinning ball� cursor or error message � just doesn�t work.
This worked at first, t...
"token" "token sequence" "scalar variable" "vector" ??Hi, can someone tell me what the following words mean as per C/clc:
1) token
2) token sequence
3) scalar variable
4) vector
"G Fernandes" <ge.fernandes@gmail.com> wrote in message
news:1108685930.401684.323430@c13g2000cwb.googlegroups.com...
> Hi, can someone tell me what the following words mean as per C/clc:
>
> 1) token
>
Section A.1.1(of c99):
keyword
identifier
constant
string-literal
punctuator
> 2) token sequence
Think any allowable combination of the above mentioned tokens.
e.g., const volatile int *x;
>
> 3) scalar v...
Turning Internet "ON" and "OFF"Is there a quick way of disconnecting a computer from an adsl internet
connection and be able to turn it back "on" as quickly ?
I've tried the following ways :
- Using a firewall (Sygate, PCcillin, TinyFirewall)
- disconnecting the network cable physically
- disconnecting the adsl modem's USB cable
All of these solutions have the problem that they require a windows to
re-boot for turning internet back "on".
Thanks for your advice..
Look at your router (assuming you're using one). Many routers, like my
Linksys WRT54G, allow the administrator (that's you) to control internet
access. You can easily shut off internet access for any networked machine
from the router control page and turn it on again without a Windows reboot.
You can also program the router to automatically turn access on and off at
predetermined times for specific machines in your network.
"liaM" <cuddly@mindless.com> wrote in message
news:ch1m03$j7v$1@news-reader1.wanadoo.fr...
> Is there a quick way of disconnecting a computer from an adsl internet
> connection and be able to turn it back "on" as quickly ?
>
> I've tried the following ways :
>
> - Using a firewall (Sygate, PCcillin, TinyFirewall)
>
> - disconnecting the network cable physically
>
> - disconnecting the adsl modem's USB cable
>
> All of these solutions have the problem that they require a windows to
> re-boot for turning in...