473,898 Members | 2,856 Online
Bytes | Software Development & Data Engineering Community
+ Post

Home Posts Topics Members FAQ

How to find multiples of 1000 for comparison ?

290 Contributor
I want to slow down my script so that
mySQL server can keep up.

I am counting the row numbers with $cnt
so after $cnt++; I want to add:

if ($cnt xxx ) sleep(2);

now xxx needs to be "any multiple of 1000" but I am
not sure how to code that.

As I am processing upto 30,000 records, I can not write out

if ($cnt == 1000 || $cnt == 2000 || $cnt == 3000 || $cnt == 4000 || etc etc up to 30,000)

Does anyone know how I can do this ?

Jan 2 '10 #1
2 2825
8,658 Recognized Expert Moderator Expert
use the modulo operator (%).
Jan 2 '10 #2
7 New Member
I want to slow down my script so that mySQL server can keep up.
I'm pretty sure it doesn't work that way :) PHP only goes as fast as MySQL can handle queries. If you MySQL queries are "too slow for PHP", your PHP script entirely will be slow. If your MySQL is very, very fast, PHP will be as slow as it's PHP code.

When sleep() is used, the entire script/program/application holds/sleeps/does nothing. MySQL doesn't gain by it. Use sleep only if you really want to do nothing (for example a socket timer, or an ajax chat timer, or something)
Jan 2 '10 #3

Sign in to post your reply or Sign up for a free account.

Similar topics

by: Tom | last post by:
Hi, I need some help with stl maps. I am using a std::map that is sorted in a very special way. Therefore I am using my own sort function. That works fine. But this is only half the problem. Additionally "map.find()" should use a different comparison function. My map is like: map < myString, Whatever>
by: Rom | last post by:
I'm a bit confused as to how the STL set works with the <setname>.insert() and <setname>.find() functions Compiler used : CodeWarrior 5.0 My intial interpretation was that I needed to overload the '<' for the insert() and '==' operator for find() however it doesn't seem to be the case In fact it seems to only need to overload the '<' operator for BOTH functions (it simply ignores the '==' operator)
by: pankaj tiwary | last post by:
Hello experts, please consider the code fragment:- #include<stdio.h> #define TOTAL_ELEMENTS (sizeof(array)/sizeof(array)) int array = {23,34,12,17,204,99,16}; int main() {
by: nmtoan | last post by:
Hi, I could not find any answer to this simple question of mine. Suppose I have to write a program, the main parts of it are as follows: #include <blahblah.h> struct {
by: Terry E Dow | last post by:
Howdy, I am having trouble with the objectCategory=group member.Count attribute. I get one of three counts, a number between 1-999, no member (does not contain member property), or 0. Using LDIFDE as a comparison I get the same results. No members means just that, an empty group. Zero means that the DirectorySearcher.SizeLimit has been exceeded....
by: Michael M. | last post by:
How to find the longst element list of lists? I think, there should be an easier way then this: s1 = s2 = s3 = if len(s1) >= len(s2) and len(s1) >= len(s3): sx1=s1 ## s1 ist längster
by: Subra | last post by:
Hi, What is the best way to find the 1000 largest numbers from the file having hell lot of entries ? Can you please help me to find out the way ? Do I need to go for B+ trees ?? Please help, Subramanya M
by: agendum97 | last post by:
I have three values: UInt64 a, b, c, d; I need to determine if: (a*b) <=(c*d). Naturally, just doing the multiplication and comparing would tell me the result. However, the values could potentially overflow. For example, if: a = UInt64.MaxValue; b = 2;
by: stateemk | last post by:
Hi, I'm probably making this much harder than it needs to be, but I just can't think of how to do this. Each year, a database is created with all employees on it. I need to pull all the employees from the last five years and delete any duplicates. Each table has the exact same fields. So basically, I'm trying to combine tables from 2005, 2006, 2007, 2008 and 2009. Most of the employees will stay the same from year to year, so by combining...
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...
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...
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth. The Art of Business Website Design Your website is...
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...
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...
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert into image. Globals.ThisAddIn.Application.ActiveDocument.Select();...
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
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.
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...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.