A memory-management technique where a computer stores and retrieves data from secondary storage for use in main memory. Memory is divided into equal sized pages so to not waste any memory.
Questions tagged [paging]
2459 questions
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Recommended way to do paging in mysql when count matters
I have a MySQl suggestion table like this
id:int
user_id:int
item_id:int
and I wanted to implement paging for the most suggested items by users. assume each page size is 9. so i have tried
select count(id) as total,item_id from suggestions group…
RameshVel
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Why aren't locked pages counted into the working set size?
The purpose of the VirtualLock WinAPI call is to lock pages into the working set of a process. However, the WorkingSet64 API inexplicably doesn't count those pages.
Possibly as a result of this, neither Process Explorer nor the standard Task Manager…
Roman Starkov
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click event in js datatables (broken with paging)
I want to have a button with js click in each datatable row, but my code is broken by datatables paging system - default datatable option. Click works only on first datatable page. My only idea is to disable paging and create scrolable datatable,…
baron_bartek
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OFFSET and FETCH causing massive performance hit on a query - including when OFFSET = 0
I have a fairly complex SQL query that involves returning about 20 columns from a large number of joins, used to populate a grid of results in a UI. It also uses a couple of CTEs to pre-filter the results. I've included an approximation of the query…
TheLogicMan
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Paging library call just to LoadInitial after swipe up to refresh, and doesn't call to LoadAfter
I'm trying to create app using Paging library + RxJava, all works fine, it load data from backend and insert it in my Recyclerview, and when i scroll down LoadAfter load next pages normaly, my problem is when i swipe up to refrech data using…
Seddik Fredj
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How to split text into chunks with jQuery
I am trying to split a chunk of text into equal parts so I can do a pager plugin for the text. I want to be able to apply the plugin to a container div without having to specify children like in some other pager plugins; so it could be used with a…
benpalmer
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Does parent process lose write ability during copy on write?
Say we have a certain parent process with some arbitrary amount of data stored in memory and we use fork to spawn a child process. I understand that in order for the OS to perform copy on write, the certain page in memory that contains the data that…
GamefanA
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Better way to do result paging in Scala
I do result paging often (given a page number and a page size calculate start, end and total pages) and I ported this little function from Java to help:
def page(page: Int, pageSize: Int, totalItems: Int) = {
val from = ((page - 1) * pageSize) +…
Ike
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Can someone explain this about paging in operating system?
Frequently, on a 32-bit CPU, each page-table entry is 4 bytes long,
but that size can vary as well. A 32-bit entry can point to one of
2^32 physical page frames. If frame size is 4 KB (2^12), then a system
with 4-byte entries can address 2^44…
user7845429
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Rad Server - Return high number of records
I am planing to build a Rad server(Rest) project and have some question that I couldn't find an answer.
Is there a way to send records to the client as paged by using EMS components if I have millions of record in a table.
if not in this case…
Kund
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Page through S3 objects matching specific filename using boto3
I have an AWS S3 bucket with a Prefix (or "folder") called /photos. That "contains" a bunch of image files and even fewer EVENT.json files. A naive representation might look like…
afilbert
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How to remember the selected checkboxes between each paging-press
I have a listview with paging. Every paging has 10 rows with with a username, an email and a checkbox.
I need to be able to check a couple of checkboxes, in different "pagings", press a button and send an email every to ever user that has been…
user497117
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Why the physical address is same across the runs?
I am running a program with certain array variable. I am taking translating the virtual address(VA) of this array into physical address(PA) using /proc/self/pagemap file which is supported in Linux systems(ubuntu). I tried to observe the VA-PA…
ANTHONY
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Virtual memory without any swap partition
There are few other threads on this subject but I couldn't find a clear answer.
On Linux, how can the virtual memory work when there is no swap partition to perform Paging, even no secondary I/O device (HDD, SSD, etc.)?
If I take my example: I'm…
kashikai
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SQL sorting , paging, filtering best practices in ASP.NET
I am wondering how Google does it. I have a lot of slow queries when it comes to page count and total number of results. Google returns a count value of 250,000,00 in a fraction of a second.
I am dealing with grid views. I have built a custom…
Aivan Monceller
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