Dynamic To Static Optimization

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How to convert from dynamic polymophism to static polymophism?

by: PengYu.UT | last post by:

Hi, Some dynamic polymorphism programs can be converted to the equavalent static polymorphism programs. I'm wondering if there are any generall procedures that I can use to do this conversion. Best wishes, Peng

C / C++

25308

dynamic sql EXEC SQL EXECUTE

by: Arti Potnis | last post by:

I have some problems with dynamic SQL statements in DB2 in a c file we have the following statements in sequence:- 1)EXEC SQL DECLARE my_stmt STATEMENT ; 2)EXEC SQL PREPARE my_stmt FROM :SQL_STMT; here the variable SQL_STMT contains " INSERT INTO MY_INS_TABLE ( CUSTOMER_ID ,CREATEDATE,LASTUPDATEDATE , NAME) (SELECT :v1, current date, current

DB2 Database

2976

Dynamic Arrays

by: Materialised | last post by:

Hi Everyone, I apologise if this is covered in the FAQ, I did look, but nothing actually stood out to me as being relative to my subject. I want to create a 2 dimensional array, a 'array of strings'. I already know that no individual string will be longer than 50 characters. I just don't know before run time how many elements of the array will be needed. I have heard it is possible to dynamically allocate memory for a 2

C / C++

31485

static function declaration in header file

by: Ravi | last post by:

Hi All: Is there any reason for declaring functions as static in a header file if that header file is going to be included in several other files? The compiler throws a warning for every such function declared but not called in the source file. Here is what I heard someone mention: The functions are declared static as an optimization. Making static "hidden-from-the-user" function to extern to appease -Wall compile argument is not a good...

C / C++

1312

Dynamic Invokes and Marshaling a "ref SByte*"

by: Stephen Gennard | last post by:

Hello, I having a problem dynamically invoking a static method that takes a reference to a SByte*. If I do it directly it works just fine. Anyone any ideas why? I have include a example below... --

C# / C Sharp

3222

How to make dynamic aspx pages indexable by spiders

by: moondaddy | last post by:

I'm writing an ecommerce app in asp.net/vb.net and need to make the pages searchable and crawlable by spiders, particularly Google's. As far as I know, if my pages's contents are mostly populated by user controls on a single page and I call these different controls by passing one or more parameters like this: myweb.com/default.aspx?MenuID=44, then the spiders aren't going to be able do to anything with this. asp.net offers lots of great...

ASP.NET

4612

Static vs Dynamic Variables - Speed Difference

by: Dennis | last post by:

I have a function which is called from a loop many times. In that function, I use three variables as counters and for other purposes. I can either use DIM for declaring the variables or Static. Would the performance be better using Static versus Dynamic. I would think it would be quicker with STATIC declarations since the variables would only have to be created once. Can anyone confirm this. Thanks. -- Dennis in Houston

Visual Basic .NET

2453

static istringstream

by: sergey.lukoshkin | last post by:

Hello everyone! My task is in converting numbers from string to int variables. I used istringstream to perform it. So I wrote simple test function. But it doesn't work as I expected because val is not being changed while the program is running. Could you please tell me why ?? #include <iostream> #include <sstream>

C / C++

2580

Dynamic features used

by: bearophileHUGS | last post by:

I often use Python to write small programs, in the range of 50-500 lines of code. For example to process some bioinformatics data, perform some data munging, to apply a randomized optimization algorithm to solve a certain messy problem, and many different things. For that I often use several general modules that I have written, like implementation of certain data structures, and small general "utility" functions/classes, plus of course...

Python

8466

What is ONU?

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, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look ! Part I. Meaning of...

General

8901

Problem With Comparison Operator <=> in G++

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...

C / C++

8659

Discussion: How does Zigbee compare with other wireless protocols in smart home applications?

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...

General

7412

AI Job Threat for Devs

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...

Career Advice

6212

Access Europe - Using VBA to create a class based on a table - Wed 1 May

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...

Microsoft Access / VBA

4208

Trying to create a lan-to-lan vpn between two differents networks

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...

Networking - Hardware / Configuration

4388

Windows Forms - .Net 8.0

by: adsilva | last post by:

A Windows Forms form does not have the event Unload, like VB6. What one acts like?

Visual Basic .NET

2037

How to add payments to a PHP MySQL app.

by: muto222 | last post by:

How can i add a mobile payment intergratation into php mysql website.

PHP

1791

Comprehensive Guide to Website Development in Toronto: Expert Insights from BSMN Consultancy

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...

General