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Type: Posts; User: unruledboy

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  1. Object reference not set to an instance of an object in KeyValuePairComparer

    Run the following test code, it will throw "Object reference not set to an instance of an object" in KeyValuePairComparer<TKey, TValue> class:



    private static void TestByteArray()
    ...
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    6,645

    Sticky: "changed: XTable is now thread-safe" which means...

    "changed: XTable is now thread-safe" which means multiple threads one instance is now thread-safe?
  3. public class UserEx : User { public String...

    public class UserEx : User
    {
    public String Creator{get;set;}
    }

    Method 1:
    read User as usual, and populate UserEx instance from User instance, better with a generic helper function etc. But...
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    nice. although as it says, there is no secret...

    nice. although as it says, there is no secret with source code, but rather than diving into the code straight away, it's better to have an overview, then explanation, and in-depth analysis.
  5. Thread: Github?

    by unruledboy
    Replies
    0
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    2,566

    Github?

    How about putting it to github for a better marketing?
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    really looking forward to it. thanks for the...

    really looking forward to it. thanks for the great job.
  7. Sticky: Nice. It would expand the user base from .net to...

    Nice. It would expand the user base from .net to java. do some marketing in java communities.
  8. Replies
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    Will the nullable support be there before 4.0...

    Will the nullable support be there before 4.0 final?

    When can we have a more in-depth documentation about the architecture, waterfall-index etc?

    For example, so far we only have a few sentences...
  9. Thread: Acid

    by unruledboy
    Replies
    2
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    3,234

    It's fairly low level, which is actually what...

    It's fairly low level, which is actually what STSdb.FromFile does behind the scene.

    Thanks for the input.
  10. It brought back the question I raised before...

    It brought back the question I raised before http://stssoft.com/forum/threads/351-Acid
  11. Replies
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    that will be very useful

    that will be very useful
  12. Replies
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    2,303

    broken support for nullable?

    Run the following code will throw "System.Nullable`1[System.Double] do not contains public read/writer properties and fields". It used to work for RC2.


    using System;
    using...
  13. bug? stop application cause data file corrupted

    Run the following code as console application, do not press enter to exit normally. just click the "X" close button of the console window. run the application again, it throws: "Unable to read beyond...
  14. Replies
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    8,233

    very nice, it works.

    very nice, it works.
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    12,079

    4.0 RC2 already supports client/server.

    4.0 RC2 already supports client/server.
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    thanks a lot.

    thanks a lot.
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    Compact database

    In 3.x we have StorageEngine.Compact, will there be similar function in 4.0?
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    Guid as key support

    We know all types of key will internally converted to byte[], which means we can do the same thing for Guid before assigning the key.

    But is it possible to add native support for it without asking...
  19. The IIndex inherits from...

    The IIndex<TKey, TRecord> inherits from IEnumerable<KeyValuePair<TKey, TRecord>>

    Thus you will have full access to Linq over IIndex
  20. Thread: Acid

    by unruledboy
    Replies
    2
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    3,234

    Acid

    Will dead-lock happen to waterfall-tree since it concurrently manipulate data?

    What are the possibilities for a data file to get corrupted, and how to solve?
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    OK, two scenarios: A: only 1 FooXIndex...

    OK, two scenarios:

    A: only 1 FooXIndex instance, but read/write in multiple threads concurrently, the FooIndex is NOT thread-safe?

    B: multiple threads, each thread has a separate instance of...
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    XIndex and XFile not thread-safe

    The document mentions that "XIndex and XFile instances however are not thread-safe themselves".

    Is there any limitation that it cannot be thread-safe? If it is not thread-safe, it will have fairly...
  23. Not ACID? Abnormal behavior access after commit serveral times

    The following code will run fine for the first time:


    var count = 5;
    using (StorageEngine engine = new StorageEngine("test.sys", "test.dat"))
    {
    ...
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    File will keep increasing

    Congratulations on the delivery. The performance is really good.

    I found out there is a legacy issue: the file will keep increasing somehow. For example, the 1st example from quick start document:...
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    No doubt STSDB is a lot faster, but is it related...

    No doubt STSDB is a lot faster, but is it related to STSD is running locally (direct disk IO) but Mongo is over network (even local via socket)?
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