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by: TEK |
last post by:
Hello
I'm wondering if anyone out there might give some
input/suggestions/viewpoints around the Command pattern.
In my case, the number one priority for using the pattern is undo support.
Some now, a lot more in the future.
I think I have a pretty good understanding about how the command pattern is
tought to work, however during implementation I'm htting a couple of quite
large design considerations that I'm not sure I have the answare...
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by: Siemel Naran |
last post by:
Hi. I'm writing a command shell that reads commands from standard input.
At this point I have the command in a std::string. Now I want to execute
this command in the shell. From the Borland newsgroups I learned that there
is a function in stdlib.h called system.
int system(const char *command);
First question, is the system command ANSI compliant. Because I include
<cstdlib> and write std::system(command.c_str()); it looks like an...
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by: Chris Bolus |
last post by:
I'm a teacher using MS Access on an RMConnect 2.4 network. On some
workstations both I and my students sometimes get an error message
when attempting to insert a command button on a form which reads
"Invalid
use of null". The remainder of the options in the Command Button
Wizard are then unavailable and
the button wil not work.
The only solution is to log on to a different workstation.
Any ideas?
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by: micahstrasser |
last post by:
I have been trying for days to send a command to the command prompt
through the shell() function in vb.net. For some reason it is not
working. Here is the code:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As
System.EventArgs) Handles Button1.Click
Dim command As String
command = "systeminfo > C:\temp\sysinfo.txt"
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by: Roman Mashak |
last post by:
Hello, All!
I'm implementing simple CLI (flat model, no tree-style menu etc.). Command
line looks like this: <command> <param1> <param2> ... <paramN> (where
N=1..4)
And idea is pretty simple:
1) get whole string of input line
2) preset table of strings matching <command>
3) preset table of function calls
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by: Chris Carlen |
last post by:
Hi:
Having completed enough serial driver code for a TMS320F2812
microcontroller to talk to a terminal, I am now trying different
approaches to command interpretation.
I have a very simple command set consisting of several single letter
commands which take no arguments. A few additional single letter
commands take arguments:
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by: czerwww |
last post by:
Can someone please help me? I have class for database connection and I need set command.commandTimeout. How can I do that?
Code:
Imports System.Data.SqlClient
Imports System.Data
Public Class Db
Private Shared _ConnString As String = ""
Private Shared _Connection As SqlConnection
Public Shared Sub SetConnectionString(ByVal connString As String)
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by: creative1 |
last post by:
Here is how you create a complex data report that involves parent and child commands and you can update information at runtime. Its pretty straight forward to work with simple queries; however, working with complex reports is tricky
Assumption: Reader of this article have basic knowledge of creating data reports.
Creating a Parent-Child Command and create a DataReport
Suppose we have a database called company with two tables
...
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by: Ojas |
last post by:
Hi!,
I just out of curiosity want to know how top detect the client side
application under which the script is getting run. I mean to ask the
how to know whether the script is running under Command Prompt or
Browser or some other application?
Ojas.
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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, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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