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What is the difference between Cloud, Grid and Cluster? [closed]
...ve being that each computer runs it's own set of services (Say, one runs a SQL instance, the other runs a web server) and they share some resources such as storage. If one of the computers in a cluster goes down the service fails over to the other node and almost seamlessly starts running there. Act...
Adding a y-axis label to secondary y-axis in matplotlib
...ing with matplotlib: just pandas.
Tweaking the original example:
table = sql.read_frame(query,connection)
ax = table[0].plot(color=colors[0],ylim=(0,100))
ax2 = table[1].plot(secondary_y=True,color=colors[1], ax=ax)
ax.set_ylabel('Left axes label')
ax2.set_ylabel('Right axes label')
Basically,...
Explanation of JSONB introduced by PostgreSQL
PostgreSQL just introduced JSONB and it's already trending on hacker news . It would be great if someone could explain how it's different from Hstore and JSON previously present in PostgreSQL. What are its advantages and limitations and when should someone consider using it?
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What are allowed characters in cookies?
... worked fine with and without the encoded cookie.)
– Sql Surfer
Apr 25 '18 at 17:06
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Unable to update the EntitySet - because it has a DefiningQuery and no element exis
...em (originally flat files on a AS400 ported to Access and then ported to T-SQL). So I had to find a way. This is my solution. The following worked for me using Entity Framework 6.0 (the latest on NuGet as of this writing).
Right-click on your .edmx file in the Solution Explorer. Choose "Open With....
How can I get a resource “Folder” from inside my jar File?
... answered Mar 6 '17 at 18:15
SQL.injectionSQL.injection
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Connection string using Windows Authentication
...ty info=True;
Integrated Security=SSPI;"
providerName="System.Data.SqlClient" />
</connectionStrings>
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C# Entity-Framework: How can I combine a .Find and .Include on a Model Object?
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When I compared the 2 in the SQL profiler, Find/Load was better for my case (I had 1:1 relation). @Iravanchi: do you mean to say if I had 1:m relation it would have called m times the store?... because would not make so much sense.
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Database sharding vs partitioning
...t and it will be sequential. I did similar on DB for billion + records and sql time came to 50 millis from 30 seconds using indices etc all.
Sharding is that you host each partition on a different node/machine. Now searching inside the partitions/shards can happen in parallel.
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?
I have created my tables in my SQLiteOpenHelper onCreate() but receive
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