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What are the performance characteristics of sqlite with very large database files? [closed]
...Single Table
I tried to insert multiple rows into a sqlite file with just one table. When the file was about 7GB (sorry I can't be specific about row counts) insertions were taking far too long. I had estimated that my test to insert all my data would take 24 hours or so, but it did not complete ev...
Definition of “downstream” and “upstream”
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In terms of source control, you're "downstream" when you copy (clone, checkout, etc) from a repository. Information flowed "downstream" to you.
When you make changes, you usually want to send them back "upstream" so they make it into that repository so that everyone pulling from the same ...
How to escape single quotes within single quoted strings
...and (2), or between (4) and (5), the shell will interpret that string as a one long word.
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How to remove “Server name” items from history of SQL Server Management Studio
...st.
Note that if you have multiple entries for a single server name (e.g. one with Windows and one with SQL Auth), you won't be able to tell which one you're deleting.
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Catch multiple exceptions at once?
...n ex) when (ex is ... || ex is ... )
Except that I still kind of hate the one-long-line layout and would personally lay the code out like the following. I think this is as functional as it is aesthetic, since I believe it improves comprehension. Some may disagree:
catch (Exception ex) when (
e...
Why does one often see “null != variable” instead of “variable != null” in C#?
...@Benjol Don't forget to always supply an empty else { } clause in case someone needs to add something there later and forgets to write the else keyword themselves. (Joke)
– Jeppe Stig Nielsen
May 3 '13 at 21:42
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Can I create more than one repository for github pages?
...any way that I can create more to host multiple blogs?Am I limited to just one repository for hosting(since username.github.com can only be used once?)
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Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags
... the thing is, hibernate can't fetch the two collections with one query. So when you query for the parent entity, it will need 2 extra queries per result, which is normally something you don't want.
– Bozho
Jun 18 '12 at 11:19
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MongoDB relationships: embed or reference?
... records will refer to the same data it is more efficient and less error prone to update a single record and keep references to it in other places.
Document size considerations
MongoDB imposes a 4MB (16MB with 1.8) size limit on a single document. In a world of GB of data this sounds small, but it...
What is meant by immutable?
...ns you can pass references to the object around, without worrying that someone else is going to change its contents. Especially when dealing with concurrency, there are no locking issues with objects that never change
e.g.
class Foo
{
private final String myvar;
public Foo(final String ...