Programming :: Data Structures Using STL?
May 19, 2010Anyone know some links where i can find about data structures using STL ?
View 4 RepliesAnyone know some links where i can find about data structures using STL ?
View 4 RepliesI hace some code C/C++ STL, which i need to use for android, using SDK-NDK-JNI.my problem is that i need to pass some STL structures across JNI, I can't pack/unpack data into basic types or arrays of basic types, doing my own simple streaming between the two layers.My application need to pass a pointer to a STL structure which is updated by eachuser interaction wonder if it is possible using NDK-JNI ?Other option is "native activity" but it also needs JNI in some way ... and passing the STL structures wille a requirement, yet.I only can package data into an own streaming if there is a second (concurrent) application running (implementing the STLfunctionality). Is it possible ?
View 1 Replies View RelatedI 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;
[code]....
how to run a linux commands in shell programming using control structures.
View 1 Replies View Relateddoes the assignment operator copy all the members also for structures containing STL objects strings,vectors,vectors of vectors...)? I did try it on my platform,and it works that way (copying all the fields),but i was wondering if it is a standard behavior or not.
View 2 Replies View RelatedI am using read() in c++ to get data from a serial port. However, if no data is available on the serial port the function blocks until dta arrives.Example code:
//------------------------------------------------------------
char m_readBuffer[255] = {0};
char* p_curChar = m_readBuffer;
[code]...
I have some data files that should be distributed with my program. Using dist_pkgdata_DATA in Makefile.am, I get these files installed to /usr/local/data/share/package-name. The problem is that data is read-only, and my program needs to modify it. Playing with dist_sharedstate_DATA, dist_localstate_DATA, dist-data_DATA varibles, I got different installation directories, like /usr/local/com, usr/local/var, but data is always read-only.
How can I distribute modifiable data files with my package? I need some common directory for all users, or maybe local data in a user directory.
I'm trying to do some kenel debugging (at runtime). For very basic debugging, I've inserted some printk() statements in my customized kernel source. Now I would like to do a full-dump of some data structures (struct sk_buff, ...) in different functions (e.g. netif_rx(), ip_rcv(), __udp4_lib_rcv(), ...), and what kind of locks are required to prevent "overlapping" of dumped data)?
View 1 Replies View RelatedI just ran the update manager and am now unable to access any of my files. Additionally I can not run the software center or run apt-get from the terminal. Luckily my web browsers and email client are still working.
I first ran the update a few days ago, but for some reason, about 30 or so packages wouldn't download, so update manager installed all but those ~30 packages. Afterwards everything seemed fine, except the clock was broken on my desktop, which corrected itself after two reboots.
Since that time the only major change I've made to the system is to rollback my version of gcc to 4.3.0 from 4.4.3. This was done in hopes that the older version of gcc would read a header file in some software I need to get installed (apparently ubuntu doesn't like locale.h). However, doing so did help.
Today when I got into work I thought I would see if I couldn't finish the update before trying some different versions of gcc, so I ran the update manager again. This time it downloaded the remaining ~30 packages and installed them, no problem. It wasn't until I ran apt-get that I noticed that all the icons on my desktop had disappeared.
below is the error I get from running apt-get
Code:
chris@chris-laptop:~$ sudo apt-get install build-essential
apt-get: /usr/local/lib/libstdc++.so.6: version `GLIBCXX_3.4.11' not found (required by apt-get)
apt-get: /usr/local/lib/libstdc++.so.6: version `GLIBCXX_3.4.11' not found (required by /usr/lib/libapt-pkg-libc6.10-6.so.4.8)
I am trying to generic way to convert the string datatype to other primitive data type. To achieve, i used Template . But i getting error and couldn't resolve the issue and error reported is also clueless.
Code
====
#include <vector>
#include <iostream>
#include <string>
[Code].....
I'm just starting out on a project relating to web search, to be done in C++. Which library should I use to help with downloading web pages into memory so that I can process them? The big thing is I want to be able to download the pages into variables/structures without actually putting them onto the hard disk.I googled and saw libcurl, but I was confused by some of the examples and wondering if this was really what I wanted.
View 2 Replies View Relatedhave a tag in XML file in unix like this <EmailAddress>abc@gmail.com</EmailAddress> this tag is there for multiple times in the xml file and the data is in continuous line like below State>UN</State><Zip/><CompanyName/><EmailAddress>FDF@gmail.COM</EmailAddress><PromoType>UNKNOWN</PromoType></Promotion></PromotionList<State>UN</State><Zip/><CompanyName/><EmailAddress>zd4946@gmail.com</EmailAddress>I have to check the data in between bold tags is valid or not ... means have to check whether its a email address or not and have to find the length of the attribute means tag ...script is in kshsorry if its already asked...i checked but i didnt get Exatly matching result for my requirement
View 7 Replies View RelatedI'm trying to work out the best way to achieve the following.
1)php page that grabs data from a local database. (not a problem)
2)It then needs to send this data to a c program/service running on a remote server. (I probably need it to be able to handle 4+ million reocrds in an array)
3) The c service then needs to process the data and send it back to the initial php script that called it. i was hoping this could be in a an array like structure of some kind. 4)update the db with the results.
I was thinking of using gsoap to write a simple c soap service that php can communicate with. Would this be the right way of doing this or would something like sockets in php be a better way of sending this volume of data as an array or struct to linux c socket if thats even possible.
I need to read data from a socket but it should be always listening because data arrives continuously .. I thought something like this would do it but it doesn't work .... I already set the socket options before
Code: char databuf[1024];
int datalen = sizeof(databuf);
if(read(sd, databuf, datalen) < 0)
{
[Code]....
I declared a variable as int data type which was a placeholder for a resulttatus (meaning, based on the result status that variable varies from 0/1/2/3. It can contain only these four values).data type is 4 byte integer in C#. But I can declare this variable as which represents a 1 byte integer. Since that variable contains only 1 or 2 or 3 or 4, declaring the variable asis wastage of memory space.Before declaring any variable we need to just think of the memory space needed for that variable, our requirement,
View 6 Replies View RelatedI'm looking for a way to access the raw data on a CD.I have a small program that I'm using to play raw PCM data pushed into stdin.I'd assumed that I could just use:play-pcm < /dev/cdromBut this isn't producing any data.Will I need to do this programatically or is there a simple way for me to grab raw data from an audio cd in the same way I might do so for a data cd?
View 2 Replies View Relatedi am searching for a table that gives info about the result of operations (+ , - , * , /) on data types
i mean if we * int by another int, the result should be assign in long so no overflow happens.
something like that.
like what will be the result of mult unsigned int by signed it , is there tables for such operations.
Code for insertion of data:
Code:
#include <map>
#include <iostream>
int main ()
[code]....
I don't know how to fetch the data from the nested map here.
I would like to send struct data from process A to process B but I dont known what is the best way. I have read about IPC, but there are a lot of ways to do it.
View 2 Replies View RelatedMar 26 12:32:53 name sshd[3261]: 192.168.1.14Mar 27 12:42:53 name sshd[3262]: 192.168.1.14
how to make this data in output as:
"Mar 26 12:32:53","name","sshd","192.168.1.14"
"Mar 27 12:42:53","name","sshd","192.168.1.14"
I have some data files that should be distributed with my program. Using dist_pkgdata_DATA in Makefile.am, I get these files installed to /usr/local/data/share/package-name. The problem is that data is read-only, and my program needs to modify it. Playing with dist_sharedstate_DATA, dist_localstate_DATA, dist-data_DATA varibles, I got different installation directories, like /usr/local/com, usr/local/var, but data is always read-only.
How can I distribute modifiable data files with my package? I need some common directory for all users, or maybe local data in a user directory.
In posix multi threading, how to send thread1 local data to thread2...?
View 3 Replies View Relatedget data(like CPU Usage, Memory Usage) of a windows system through my Linux server.Because I want to monitor all the systems that are in my network. How to get data from a windows system into linux ?
View 8 Replies View RelatedI am writing a program and I need to be able to grab data from web pages.The data I am looking for is on wiki pages with basic tables.A simple example would be like grabbing all of the episode data from a TV show of something similar.
View 5 Replies View RelatedI am trying to automate some directory naming when we're manually running some scripts and are using tee to direct the output to a file (log). Right now this is what we do
Code:
./some_script.sh 2>&1 | tee /home/user/some_dir/logs/manual/some_script_20110216_1628.log
As a matter of laziness and keeping the log files consistently named, I'd like to create a function to pipe it to so that it's doing all the naming How I envision the command running
Code:
./some_script.sh 2>&1 | myfunc
And what the logfile name should look like (and in the right directory)
Code:
some_script_20110216-1628.log
I was thinking of adding a function to our profile to handle this. Just in testing I was trying to stream line right on the command line, but I'm having some difficulty in getting the name of the script that is pushing data over the pipe. Here is what I've tried
Code:
./some_script.sh 2>&1 | tee $(cd ../logs/manual; pwd)/$0_$(date +%Y%m%d)-$(date +%H%M).log
but that created a file named
"bash_20110216-1628.log"
I am working on a project that takes multiple blocks of memory that are no more than 1500 bytes in side and tries to compress them. Currently I just compress them and compare the old length to the new length. If the new length is smaller it copies the compressed data into the original datas memory space.The problem I have is when lots of these blocks of memory do not compress well its huge amounts of wasted CPU.
View 6 Replies View RelatedThe only API i have found for something like this is gdk_bitmap_create_from_data. But it requires XPM data, not raw. So, how can i make a bitmap from raw 'char[x*y/8]'?
View 3 Replies View RelatedFollowing is the declaration:
Code:
std :: map <QString, std :: vector <std :: pair <QString, QString> > > configFileDataVector; How should I insert data in it? All the examples which I have looked up in Google are of plain maps!
I tried this, but it failed:
[Code]...
I'm trying to use expect to get data from telnet
Here's my code :
Code:
set equipment [lindex $argv 0]
set trunk [lindex $argv 1]
set fraction [lindex $argv 2]
[Code]....
so in bold letter not send in 1 line, but i want sent it to 1 line
I've been given an old rsync script to update some data files on a few different servers... I am trying to understand what directory on the server it gets it's files as the way it seems to refer to the data on the server is:
data_source='random-server.fqdominan.net::Firstlogic'
Not sure what the "::Firstlogic" part with the two :: means.
Here is the entire script:
Code:
#!/bin/sh
# Begin user-configurable options #
# Who can run this script
authorized_user='appdtools'
# From where we rsync the update data
data_source='random-server.fqdominan.net::Firstlogic'
# From where we rsync the rollback data
rollback_data_source='random-server.fqdominan.net::Firstlogic_rollback'
# Where updates will go
data_target='/Firstlogic/postware/dirs'
# How to do the rsync .....
# Here is where we do the "work".
splash# Check user and print warning
if [ "${rsync_test}" == "-n" ]; then
update_address_data# Test the monthly update
else
stop_address# Stop the address standardizer
update_address_data# Load the monthly update
clean_logs# Empty the old log files
start_address# Start the address standardizer
fi
I have not tested this script yet but evidentialy it used to work. I just need to find out where to stick the files on random-server.fqdomain.net to test it out. The server it points to no longer has the files on them...