When does Core Data flush to disk?

I use Core Data in my application, and discovered some odd behavior of the simulator: When I add some data to Core Data in my app and quits the simulator using the "stop" button in XCode (or just press Cmd-Q) immediately, the data is not stored in the database the next time I start the simulator. After some testing, I found out, that the...

When to use Core Data and when to use Sqlite?

I was learning Core Data and previously I have use SQLite in one of my project.Now my question is in what scenario Core Data should be used and in what scenario SQLite should be used?I read some of the advantages of Core Data that it provides visual way to design data structure, abstract level of accessing data and SQLite can be use on mu...

saving and retrive core data from server

I'm planing to use core data to store my data, i want the user to add some data or update some data that have beed added previously by him, i'm going to use a server to save the core data on it, i've read some question here and the answer was to use RESTKit. but i'm not sure if it's the right choice or not, my question is it simple to do...

Using core data with an existing single view application

I'm trying to learn about Core Data and am following the "Locations" tutorial from Apple. One immediate stumbling block i've come across is that I have already started constructing the application that i want to use Core Data with. It is a single view application. What are the steps I need to take in order to utilize Core Data with this a...

What does print()'s `flush` do?

There is a boolean optional argument to the print() function flush which defaults to False. The documents says it is to forcibly flush the stream. What is flushing here? What is flushing of stream? I don't see any change if I enable flush. What is this flush for?...

FileSystemWatcher changed event (for "LastWrite") is unreliable

I am trying to get a notification when a file is updated on disk. I am interested in getting this notifications as soon as a flush occurs, yet, it seems that the FileSystemWatcher would only send an event when the stream opens or closes. In the code below I am writing to a file and repeatedly flush the buffer to the disk. Yet, the FileSys...

iOS Core Data App Delegate?

I am working on a app that is going to require the use of Core Data and I can't help but notice that Core Data has to be put in manually if you use anything but the Master-Detail, Utility or Blank templates in Xcode. I also noticed that in order for Core Data to work properly, you HAVE to have your app wrapped in a Navigation Controller a...

UIManagedDocument and Core Data

I have found these Stanford tutorials https://itunes.apple.com/us/course/ipad- iphone-app-development/id495052415 , and have been listening a lecture about core data, which is really great. It shows how to access Core Data via UIManagedDocument ... Only thing I don't understand how UIManagedDocument knows which model should it use, becaus...

Merge Disk 0 and Disk 1

I have 2 physical disks, Disk 0 and Disk 1. Is there any way to merge (combine) them into one Drve C:? I have an HP Pavilion Notebook PC. Attached is a screen shot of Disk Management Attachment 27697 (http://www.vistax64.com/attachments/gen eral-discussion/27697-merge-disk-0-disk- 1-disk-management.jpg)...

How can I use iCloud Sync if I'm not using Core Data?

I've seen a few examples showing how to integrate iCloud with Core Data, but my app uses a handwritten SQLite persistence layer. Am I just out of luck, or are there straightforward ways to do syncing and conflict resolution over iCloud with a non-Core Data database?...

multithreading on hibernate session.flush

first of all , is this possible ready-made ? hibernate 3.6 , jdbc batch_size 500 , using Hilo generator on the 200.000 entities. On my example case , i have a request that takes 56 seconds and im creating 200.000 entities in the session. So , the session.flush() command takes 32 of that 56 seconds with only one cpu core at %100. is there...

I think I screwed up my Vamo

So all you Vamo owners know that the center post/connection sits a bit higher than flush and there is a little gap between the tank and the body. So I very carefully turned it upside down and ran it across a very fine flat file and made it flush with the top of the mod. But now when I screw any of my tanks all the way down it shows 0 ohms...

How to setup properties in an object from an objects method

I created an object that contains properties that in the end will manage the data that lives in core data. I would like to create methods within this object to set the data that would be saved into core data as well as a method that gets all the data from core data and sets the properties in the object so I can have everything contained...

Can I make a non system disk into a system disk

I have copied my present system disk onto a new disk, assuming that it would be able to boot. Can this be added at this stage without out having to reformat the disk as a system disk? The former took a considerable time, so if possible I don't want to have to do this again.:sick:...

Disk Brakes a fad

Are disk brakes on a bicylce just a fad? I just notice that the 2013 Trek 7.5 is no longer available with disk brakes. I'm also seeing a few of the bike companies doing away with bicylces with disk brakes. If disk brakes are so great why are they not on the higher end bicycles. I'm new to disk brakes. I was thinking of buying a 2012 Trek...

Core Plot slowing down with a large range but minimal data points

I'm building a few graphs with Core Plot, and having issues with slow graphs, even with only two data points. It seems to be related to the actual size of the range. I have one particular graph, it has two data sets, each with only 1 data point to create a single stacked bar. The graph's y axis has a range of 0 - 3500 and takes a couple o...

Pre load core data database coming up black with UIManagedDocument

Hi supportive experts... I'm writing my first iPad app and have a working beta copy that parses an XML file to create a UIManagedDocument Core Data DB on app start up. However this takes a long time and I would like to do it once off line and include the initial data directly into my app bundle. Needless to say I'm hitting a wall trying...

External hard drive makes kind of a beeping noise.

A friend of mine was having trouble getting his seagate go flex ext hdd to show up under my computer so I brought it home to take a look at it myself.I tried a lot of things but it still wouldn't show up and under disk management it gave me an I/O error.As it was quite important to get hold of the data inside the hdd I took out the hard d...

Accidentally made my External Hard Drive a Recovery Disk

Hi Everybody Here is the scenario: I was trying to remove the pre-installed Windows 8. I figured I should create a backup in case I ever have to go back to the piece of junk software. Anyway, I plugged-in my external hard drive to make the backup... Here's the **ck up: It said 'formatting drive'. Within two seconds, I cancelled the operat...

imac core i5, 4gb ram, 1TB hard disk, 27inch, million 3.2

IMAC COMPUTER CORE i5 27 INCH DISP 1TB HDD, 4GB RAM, FULL WIRELESS BEI NI MILIONI 3.2 MAONGEZI YAPO. CONTACTS 0715353108 0756144060...

3Tb disk blir til en 746Gb disk.

Har hatt endel problemer med harddisker i det siste. Har en 3 Tb seagate disk om lenge har vært ustabil og bare koblet seg ut fra tid til annen. Til slutt fikk jeg ikke noe særlig ut av den i det hele tatt, men fikk hentet ut noen data med et gjenopprettingsprogram via en usb docking. I den forbindelse kjøpte jeg meg først en og så enda e...

Syncing sqlite database with iCloud

I have my sqlite database. now i want syncing with icloud. I read blogs saying sqlite syncing with icloud is not supported. Either go for core data OR "Do what exactly core data does". Now it is not posible for me to go for core data.So like second option "Do something similar to how CoreData syncs sqlite DBs: send "transaction logs" to i...

"[something copyWithZone:]: unrecognized selector sent to instance" when using Bindings / Core Data

(self asking and self-answering because I spent hours on the web looking for this, and most of the resources all say "I solved it in the end" without giving an explanation) I had a very simple Core Data + Bindings application: An NSArrayController pulling items out of Core Data An NSTableView rendering them Another NSTableView that when y...

Overclockers topic - 3770K De-lidded and lapped With Liquid Pro - Awesome results.

Hi Guys, Took the plunge and de-lidded my 3770K as even with my huge loop, 90c at 1.28v and 4.7ghz was stopping me testing any further and I really want some more clocks. Also, my core temps were very uneven which has always niggled me. Plus - I just wanted to do it for the hell of it, so off we go... :) Quick test beforehand using ten ru...

Replacing Core Data SQLite file in app

I'm creating an SQLite file on the Mac using Core Data and then placing it in my iPhone app ( GitHub project if curious). I want to release an update to the app with with an updated SQLite file. The model will be the same entities and attributes, there will just be more data. I run the app in simulator with the old sqlite file. Exit. Rep...

[WTS] Azure VPS Unlimited Bandwidth Murah mulai 30rb/bulan ada yang lebih murah???

Permisi agan saya mau menawrkan VPS siapa tau ada yag membutuhkan Paket "SMALL" 1 CORE 1,75 GB Memory 70 GB Disk Space Unlimited Bandwidth Internal (ipv4) & Public IP(ipv6) (dedicated) Server US, Asia, Erope Harga 30rb/bulan Paket "MEDIUM" 2 CORE 3.5 GB Memory 130 GB Disk Space Unlimited Bandwidth Internal (ipv4) & Public IP(ipv6) (dedica...

Boot device question in BIOS

System: ASUS EE PC Seashell netbook, Win 7 Starter installed BIOS reports as: ASUS 101PX ACPI BIOS Revision 1101, Core 1101, Build 02/18/11 EC Firmware Version EPCD-051 V 02.58 American Megatrends. My questions: I want to use disk imaging software to create a rescue disk that I can use on this netbook to restore the whole disk if necessar...

UITableView and Core Data tutorials

I am a beginner at iOS development and I wanted to know if you knew any good tutorials for UITableView and Core Data where you can add your own info more likely to an address book... Well let me know, thanks.

iCloud and Core Data - How to debug?

I have an Library-style app which uses Core Data to store its data. Currently I am working on the integration of iCloud support. I worked through several examples and the Apple docs and finally managed that an object created on device A is automatically synced to device B. That is great but know I am experiencing the some problems: Some o...

Did I screw up my new Vamo?

So all you Vamo owners know that the center post/connection sits a bit higher than flush and there is a little gap between the tank and the body. So I very carefully turned it upside down and ran it across a very fine flat file and made it flush with the top of the mod. But now when I screw any of my tanks all the way down it shows 0 ohms...

iRamDisk 3.3.2 - Create a RAM disk. (Demo)

iRamDisk uses a block of memory to creates a virtual RAM Volume displayed like real disk by Mac OS X. Data into memory are written and read more quickly than the system disk. Move the temporary files into RamDisk may reduce the delay of a process (compilation, image processing,...). iRamDisk is based on Unix commands. Version 3.3.2: Impr...

Core Data Select Induvidual Fields

I have a core data model with the following info: Entity: CourseSubjects Attributes: -account_id -course_code -course_id -name I need to be able to select Only one piece of data from that database which has the field course_id matching what I want. How would I be able to select only one field from this database which has the course_id?...

Unable to format hard disk

I have bought a new laptop (DOS installed) and trying to install windows7 After i installed windows 7, i can see only 30 gb drive in "My computer" (500 gb hard disk) When iam trying to create new volume in disk management on unallocated space iam getting a prompt that "this action will convert the disk to dynamic disk" when i proceeded wi...

[FREE] Data loss won`t be your headache with iCare Data Recovery by GiveawayoftheDay

iCare Data Recovery Standard is an unformat, undelete program that is able to restore photos, videos, songs, data from hard disk drive, USB, flash drive, cellphone, and all memory cards. It provides four chance of recovery for each data loss with its four recovery modes on its main window.

Store unsigned long long using Core Data

Variations of this question have been asked , but it appears that the question hasn't received a clear answer. The problem that I face is that the MPMediaLibrary framework keeps a reference to each MPMediaItem (music, video, podcast, ...) as an usigned long long (uint64_t), but I can't seem to find a way to store this value using Core Dat...

python & zeroMQ -- Capacity to Handle Messages of Large Size?

I'd like to use python to build an app that is similar to zeroMQ 's ventilator / sink scheme Suppose that we have 10 Workers , all running on the same multi-core server. Let's say that every 2[sec] or so, each Worker pushes to the a message of size 5[MB]. So, the has to handle a total of 50[MB] ( = 10 x 5[MB] ) every 2[sec] or so.

Magento doesn't load my CSS

I have change a bit of code in my CSS from Magento for my header logo but Magento doesn't load my new CSS update and still shows the old one. I have already refresh the cache in Magento Flush Magento Cache Flush Cache storage Flush Javascript/CSS Cache At System - Cache Management I have a folder var/cache and in here folders like mage-0,...

ResultSet destroyed upon ObjectOutputStream .reset()

the code: Connection connection; String url, usernameDB, passwordDB; url = "..."; usernameDB = "..."; passwordDB = "..."; Class.forName("com.mysql.jdbc.Driver"); connection = DriverManager.getConnection(url, usernameDB, passwordDB); Statement statement = connection.createStatement(); queryResult = state...

Accelerating GPT disk

Hi...a couple of questions I would appreciate answering!!! I have a gigabyte Z77-UD3 board with an Intel ssd in the onboard m-sata slot which I want to use to accelerate a 500Gb disk using IRST(intel rapid storage technology)... Q1. Is it best to install Win7 with UEFI or normal bios? Q2. Does a UEFI install automatically format the disk...

Mest pc per krone.

Ser på disse tre pcene, men hva er mest for pengene? http://www.komplett.no/k/ki.aspx?sku=755 676#extra Intel Core i5-3570K, 8GB DDR3, 1TB HDD, Geforce GTX 680 2GB 9.495,- http://www.netonnet.no/art/data/stasjona er-data/desktop/asus-cg8350-nr001s/18292 3.3012/ Intel Core i7-3770, 12GB DDR3 RAM, 1TB HDD, GTX660 3GB 8.690,- http://www.netonne...