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What is the maximum size of SQLite or Core Data database on iOS?
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Closed 6 years ago.
Someone asked me that what is maximum size limit of sqlite and core data in iOS. I had already searched this question but not getting any relevant answer. Can anyone help me
The maximum size of SQLite databases is in the hundreds of terabytes. The only real limit on iOS is the amount of free disk space. SQLite.org has a page about the theoretical limits: https://www.sqlite.org/limits.html
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Default value of maxConcurrentOperationCount for NSOperationQueue
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Closed 7 years ago.
It is always being asked in interview how many maximum threads we can run in ios iphone programming simultaneously in NSOperationQueue and through GCD async?
Please explain the answer.
You should be using NSOperationQueueDefaultMaxConcurrentOperationCount when you create your operations to let the OS decide the maximum number of operations - it will decide this based on the hardware available and system resources. The number will of course vary depending on device.
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Closed 8 years ago.
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Its seems to be a silly question but I need your help as I am a beginner to iOS coding.
(1) My question is I need to know whether iOS have any default DATABASE or not. If yes can you share those links to me.
(2) If not can you suggest most popular database which can handle more than 50MB of data in iPad (Client side).
Thank You,
Madhav
What is the maximum size limit for storing the values in SQLite database for ios?
As per my requirement I need to store more than 50MB of database.Can you suggest which database will allow more than 50MB of database in iPad (Client side).
Is there any Size limit for SQLite Database? As I am hydride app developer by using Phonegap plugins. But I am able to store only 50MB of data by using SQLite database.
Most people I know decide on using Sqlite. Depending on your use case you may want to research:
CoreData backed by sqlite
FMDB - More low level than CoreData but comes with some performance improvements.
Write your own wrapper based on available c interface.
References:
https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/CoreData/Articles/cdPersistentStores.html
https://github.com/ccgus/fmdb
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How do you read directly from physical memory on Windows?
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Closed 9 years ago.
I would like to read from Physical Memory in Windows 7 64 bit in Delphi, Assembly.
How can I read from Physical memory?
Because of virtual memory protection on Windows, you cannot read from physical memory from user space. In order to read from physical memory you need to be executing code in kernel space.
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iPhone Data Usage Tracking/Monitoring
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Closed 9 years ago.
I am trying to understand how does an app like DataMan work. Even if it runs on the background, how can it measure the bandwidth allocation of the other apps?
Most apps like that inject a proxy to all your data calls. Through that they measure the amount of bandwidth you are consuming.
There is no way to measure data you are using outside of your app. You can track it for your own network call within your app though.
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I have installed Adobe Livecycle in order to convert MSWORD files to PDF from a web-app.
Specifically, I use the DocConverter tool. Previously I have used OpenOffice UNO SDK, but I have found some problems with particular documents.
Now, the conversion is ok, but the conversion time is huge.
These are the times to convert documents of different sizes via Openoffice and via Livecycle.
Could you suggest anything?
SIZE (bytes) Openoffice (sec) Adobe LiveCycle (sec)
24064 1 8
50688 0 3
100864 0 3
253952 0 5
509440 1 5
1017856 5 18
2098688 8 10
4042240 19 45
6281216 0 9
8212480 32 125
The main reason behind the length of time behind the transaction is how LiveCycle PDF Generator works. In order to maintain document fidelity, the document is programmatically opened using whatever native software the original document was created in, and then converted to PDF.
Consider increasing your application server heap size, and LiveCycle Document Max Inline Size. Here are two helpful articles:
Heap Size Tuning and Large Document Processing
I learnt that Adobe live cycle perform better and faster in windows rather than Solaris. Conversion of Document to PDF is always single threaded which ends up consuming more resources. Make sure to increase the heap size, Timeouts and it would serve better if load balancing is done with multiple servers.