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Questions tagged [data-loss]

202 questions
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SerialPort received data lost at high baudrates when stream contains 0x1A

I am implementing a C# application which reads binary data from a microcontroller at a high baudrate (8 MegaBaud) using an USB-Serial adapter (FTDI FT232H). The problem is when the stream contains 0x1A, sometimes a big chunk of data (thousands of…
nnn
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git (sourcetree) go back to commit that has not been pushed and was 'reversed' accidentally

I'm still quite new to git revisioning and maybe just lost plenty of work (but I hope there is a way to go back, that's why I'm asking here). I use SourceTree on OsX for git revisioning. I didn't commit for quite a long while and now just wanted to…
matthias_buehlmann
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Avoiding data loss: suggested reading

I am about to work on an app which handles extremely valuable data. Any loss of this data for the user would be very costly, so I'm interested in finding out more about the best architecture design for our needs. The user will be inputting this data…
deepseadiving
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json_decode data loss

I have a JSON string (external file) which has an element which can either have FALSE or TRUE as a value. In the file, the true or false IS there. However, after I use json_decode on it, the true or false is lost. Why? The JSON is valid, it is made…
axiomer
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JSF PrimeFaces lose data and session

I am developing an application with JSF and PrimeFaces. I have a managed been, session scoped, that has username, password and isUserLoggedIn. When I process a login component it works and changes my page accordingly. As soon as I move to another…
Viola
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Visual Studio database project publish fails with "data loss might occur" although all rows have NULL in that column

I guess this is an old issue, but does anyone know if it is fixed or addressed by Microsoft. I have a database project in Visual Studio (.sql) and I want to drop a column when publishing it. The error is: RAISERROR (N'Rows were detected. The schema…
user736570
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The type 'System.Void' may not be used as a type argument! Error occurs

I am getting weird error on c# winforms. I summarize the problem step by step. I have 1 model (public class) I have a winform that includes a datagridtable and this is binded to model. Winfom.cs is opened. Close the visual studio and reopen. I am…
Xazar Cengiz
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Compensating for missing jpeg bytes

I am making a program for a micro-controller connected to a radio that has to send bytes of a JPEG image to a computer. I want to know if there is a way to compensate for a situation where some bytes of the JPEG are lost. As it is now, if even 1…
Grimmer
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Best way to detect a "data loss" publish action when calling SSDT's SQLPackage.exe

When calling SQLPackage.exe (syntax described here) with publish action /a:Publish, there are cases when data loss occurs and the execution will be halted; this is specified by setting the parameter /p:BlockOnDataLoss (default to be 'true'). I need…
Nam G VU
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printk data loss and truncation

I am using printk in my kernel loadable module to log parameters of system calls. For each system call, several printks are used to print the variables whey they appear with "\t" as delimiters. To redirect the data in the kernel log buffer to…
user1718039
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Coping with data loss for RTSP via UDP

I am receiving RTPs via UDP (video data). The RTPs are holding H264 that I need to decode. Unfortunately, most of the RTPs hold fragmented data. As RTP sequences are missing, I cannot reconstruct the H264 properly. Any idea on how to reduce data…
Display Name
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Using "ndb --initial" causes data loss on MySQL Cluster?

I have a MySQL cluster with 1 management node, 2 data nodes and 2 mysql nodes. I shutdown the cluster and then started it with the '--initial' flag on both the management node and the data nodes just to notice a little later that '--initial' does a…
Cleber Goncalves
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SSIS: SQL 2008 R2 to MySQL data loss

I have an SSIS package set up to export data from a SQL Server 2008 R2 table to a MySQL version of that table. The package executes however, I am getting about 1% of the rows failing to be exported. My source connection uses the SQL…
user1025443
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DMA data loss when changing PWM frequency during the DMA reading

First time working with DMA here and I'm getting data loss when the frequency of a PWM signal is varied during the DMA reading. The DMA request is triggered by a 16MHz clock. I'm using DMA2 on STM32f429zi. The DMA direction is peripheral to memory,…
linda123
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Mongo aggregate query results in less document with sorting

I have faced a weird issue while querying one of our collections and aggregating the result out to another collection. I am querying unique users who have done some action and projecting the count of action performed per user in the aggregation…
Naman
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