Programming :: Get Number Of Elements In A Hash Of Arrays?

Dec 10, 2008

I have something like this:

$arr_hash{'produce'}{'veggies'}[0] = Broccoli
$arr_hash{'produce'}{'veggies'}[1] = Cauliflower
$arr_hash{'produce'}{'veggies'}[2] = Carrots


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Programming :: Get The Number Of Elements In A Char*[] In C++?

Jan 27, 2011

I have a char*[] array:

char* myarray[] = {"Hello", "there!", "LQ"};

and I wish to use/ write a function to find the number of elements in myarray (in this case, its 3).

*equivalent of .NET's array.size() that returns number of elements in array

How do I achieve it?

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Programming :: Declare An Array With The Number Of Elements Is Larger Than 2^32?

Oct 12, 2010

How can I declare an array with the number of elements is larger than 2^32 ?

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Hardware :: Installing New RAID Card Causes Existing Arrays To Have Bad Magic Number

May 13, 2010

I have two SAS RAID controller cards in a Dell server in slots 2 & 3, both with an array hanging off them. I went to install a third card into slot 1, but then when it boots it says two of my sd's have bad magic number in the super-block and it wants me to create an alternative one, which I don't want to do. If i remove the new card, the server boots perfectly like it did before I added the new card. Is the new card trying to control stuff that isn't hooked up to it because its in slot 1, so its confusing RHEL?

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Programming :: Arrays In The C Programming Language Are Pointers To The First Element Of The Array?

Mar 27, 2010

I wonder why arrays in the C programming language are pointers to the first element of the array, not the first element of the array itself?

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Programming :: Use Of Static Elements In Cpp?

May 27, 2010

i've got certain functions now declared as static and their being used as pointers. So, moving on I then added a variable which so happened to be used in both static and non static functions. Here's some testbed code, the variable in question is 'window':

//g++ -Wall -I/usr/include/ -L/usr/X11R6/lib -lX11 -lXi -lXmu -lglut -lGL -lGLU -lm main.cpp -o run
#include <GL/glut.h>
#include <stdlib.h>


In short, I can't see the point of using a class to wrap all of this. Never having been taught programming i'm unsure as to the best method for structuring an application like this. Should (would you design) this initial section be a class?

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Programming :: Perl Array Last 2 Elements Will Not Pop?

Apr 27, 2010

created this array and the last two elements will not pop - phil and sylvia never get up to bat.

2use strict;
3use warnings;


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Programming :: Adding Two Arrays?

Mar 1, 2010

I have a problem on a program,the problem take a very long time when i try to add two big arrays element by elementI know that matlab make adding vectors more faster than adding element by element but I don't know how!!!do any body knew how matlab make vectors operations more faster than element by element???I want to make my calculation more faster because the program is very big

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Programming :: Character Arrays In C?

Nov 3, 2010

I was reading Kernighan Ritchie book chapter 4 which deals with character pointers.I am not able to understand following different type of declarations

char aname[][15] = { "Illegal month", "Jan", "Feb", "Mar" };
char amessage[] = "now is the time";


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Programming :: Using Of Arrays In Loops?

Sep 3, 2009

need to process files within multiple directories and transfer these to a remote server. What I had in mind was to use arrays for this; code pasted below (explains it better):

#set the arrays
array_A=( fileA* pathtodestA hostA passwordA )


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Programming :: An Array With 15 Elements, And Want To Break It Down Into Three Columns?

Jul 20, 2011

I have an array with 15 elements, and I want to break it down into three columns. When the array is split into a the three elements - however on the iteration, it does not conform to that structure.

#!/usr/bin/perl -w
use strict ;


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Programming :: Dividing A String Into Substrings With Three Elements In C++

Jun 23, 2011

im trying to receive a string from user, then divide it into groups of strings with 3 elements only. meaning if input is:

12345 it should give 123 and 45
123456 it should give 123 and 456
1234567 it should give 123 and 456 and 7

anyway what happens based on my code is that it works fine with first two (when it has groups of 3 elements and 2 element, and also when it has groups of all 3 elements) but for the last case (when makes groups of 3 elements and 1 group of 1 element) it shouws as "123 456 7 D"!! meaning it adds one extra character to the last element out of no where!

here is my code:

#include <iostream>
#include <conio>
struct array


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Programming :: Include Common Elements On Every Page?

May 16, 2010

I am trying to learn how to include common elements on every page. At first I made the mistake of calling it ssi but I do not think that is correct in php5. I downloaded phpb3 to look at and they are not doing it that way. they do it like this.

Problem is I can not find any articles that explain it. I even looked at the php manual and did not find it. Could someone explain this or point me in the right direction.

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Programming :: Perl: How To Do A Foreach For Elements In A Database

Jul 15, 2009

For Perl I need to understand a few things. It's unlikely that anyone will be able to give me direct answers but if they could point outI'm trying to hack down an existing script What I need to be able to do (in a nut shell):1. Open a database2. Read the values for each uniq id and execute a subroutine for each of those values. (The subroutine already exists in the above file 'do_pdf').

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Programming :: Perl - Regex With Array Elements?

Mar 13, 2011

I have .txt.gz files that store queries made on a browser, d my job is to analyze them.The information is stored in a xml-like style.Quote:

<keywords />


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Programming :: Two Elements Inside A Form In HTML?

Sep 18, 2010

For a search box on my site, I want a textbox, which will let the user input the term to be searched for, and next to it I want a drop down list that'll have, for example, "Fruit" and "Vegetables" as categories to be searched within. How do I do the HTML for this? (so that the arguments to my search.php script will be eg. "search.php?text=apples&type=fruit" ? )

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Programming :: Can Diff Take Arrays As Input

Jun 19, 2010

Does diff not like arrays? How do achieve the following?


stuart@stuart:~/music transfer$ diff file1.txt file2.txt
< bonkers_in_phoenix.mp3


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Programming :: Initializing Arrays In The Bash?

Mar 12, 2009

I'm making script for automated compiling of one program which would output builds optimized for many architectures. For clearancy, I do each build in it's own catalogue and list of builds with their respective catalogues would be stored as array. I'm using this guide as reference. It describes making array as naming a variable with additional brackets denoting it's position in array.

In my code, it looks exactly like this:




But upon invoking $mtune or any $mtune[x] variable, output is blank, like the variable(s) were never initialized. What am I doing wrong?

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Programming :: Printing 2 Arrays To 2 Columns?

Jun 16, 2010

I have a Perl script that has two arrays - they are related. I would like to print out the contents into two columns next to each other.

open(PINGFILE, </home/casper/pingdata.txt") or die " can not open file ";
my @totalfile=<PINGFILE>;
foreach $string(@totalfile) {
if ($string =~ m/(^1sping)(?=.*max))/) {


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Programming :: Structures And String Arrays, C?

Apr 18, 2011

I am working on a project that needs to use structures and I'm pretty sure string arrays. First I declare my structures and they must be exactly like this.

typedef struct
int hour;


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Programming :: Access HTML Elements Via Javascript With Internal ID?

Mar 29, 2010

Is there some way to access HTML elements via javascript through some internal ID?

For instance, given a form like:

<form name="myForm">
<input type="text" />
<input type="text" />


I think I've seen some way to do this before but I'm not certain

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Programming :: Bash - Searching Strings For Array Elements?

Apr 30, 2010

...and returning the index of the found element in its array.

I have:

for ((i=0; i < ${#array1[@]}; i++)); do
# Read each line of the file test
if [[ $(eval "sed -n '$(($i+1))'p test") == *${array2[0]}* ]]

I want to find the index of the found substring in array2 and only if it isn't found, move on to the next element of array2. I don't know the size of array2 so that [0] has just got to go.

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Programming :: Insert Elements Into A Combobox From A Database Using NETBEANS?

Apr 13, 2010

I'm trying to make a combo box which should have elements dynamically taken from a database. I've an Exam Table,and it has columns Sno,Ename,Month,year. i need the combobox to list to the elements that are present in Ename.

i read some things in the web and tried that out in the netbeans. it said to rightclick the combobox and set bind ->elements and bind->selecteditem. But i'm not sure how to set the binding expressions inorder to get the required list in the combobox.

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Programming :: When Parse A XML File - Should Rely On The Order Of Elements?

Feb 24, 2010

When I parse a XML file, should I rely on the order of elements?

For example say we have:

Should I rely on the above order?

Would the following still be valid:

I'm trying to find out if a well formed XML document should have an ordered structure, or if it's still valid XML if it has no order.

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Programming :: Custom Delimiter For Hash In Perl?

Jan 6, 2010

Can I have a custom delimiter for hash in perl?

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Programming :: Make A Hash Of Objects In Perl?

Aug 31, 2010

I am trying to make a hash of objects in perl (long story.) I have a package containing the main hash and all the subroutines necessary to work with it. My "new" subroutine used to add an object to the hash goes like this:



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Programming :: Sort Hash Of Hashes By Value In Perl?

Dec 1, 2010

I have a hash of hashes and I need to sort this by value and write to a javascript array file..Currently I am using the following

foreach my $key(sort { keys %{$trans{$a}} <=> keys %{$trans{$b}}} keys %transmission)
foreach my $role(sort {$trans{$key}{$a} cmp $trans{$key}{$b}} keys %{$trans{$key}})


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Programming :: Create A Small Array Of 3x3 Arrays?

Jul 12, 2009

I'm trying to figure how to create an small array of 3x3 arrays such I can do


SUM1(i) = SUM1(i) + SUM2

where i goes from 1 to 8 and SUM2 is a 3x3 array.

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Programming :: Read Text File Using Arrays In C++?

Oct 19, 2010

a project using bluetooth to send data byte by byte to external devices buti'm not familiar using arrays to read file from another location before sending the data.If you could,do correct my codes.Here's my code,

void loop(){
char Msg[]={"Hello"};
char *start;


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Programming :: Perl - Pointers To Arrays From Hashes?

Feb 18, 2010

I'm trying to figure out how to code for this specific type of instance - I want to use a hash and have the key be a reference to an array, and not use the key in the standard way of it being a scalar. Basically, I have a large output that I need to process line by line, and rather have access to it as an array than a big block in a scalar. For the big block hash as a scalar I would do -

$ALL_DISKS{$CONTROLLER} = `ssh -n <commands>`;

Now I know I could take the scalar and split it to another array after the fact like -


How would I code it that I would have access to the key information as an array and not a scalar? I know it needs to be a pointer and we're going to have -> in there somewhere, but not sure how to approach it. Some of the documentaiton I've been reading about referencing I've found a little confusing so far, and trying to figure out how to use them in context of what I'm working on.

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