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What's the fastest way to do a bulk insert into Postgres?
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You can use COPY table TO ... WITH BINARY which is "somewhat faster than the text and CSV formats." Only do this if you have millions of rows to insert, and if you are comfortable with binary data.
Here is an example recipe in Python, using psycopg2 with binary input.
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receiving error: 'Error: SSL Error: SELF_SIGNED_CERT_IN_CHAIN' while using npm
...moving SSL worked perfectly. Sometimes good practice isn't as important as what actually works.
– Cory Schulz
Aug 27 '14 at 19:02
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How to increase the Java stack size?
...same on other JVMs, but it prints all of Hotspot specific parameters.
For what it's worth - I would recommend limiting your use of recursive methods in Java. It's not too great at optimizing them - for one the JVM doesn't support tail recursion (see Does the JVM prevent tail call optimizations?). ...
How can I pass a parameter to a Java Thread?
...f start to some more convenient or appropriate moment. And it is up to you what will be the signature of init method (so it may take more and/or different arguments) and of course even its name, but basically you get an idea.
In fact there is also another way of passing a parameter to an anonymous ...
CALL command vs. START with /WAIT option
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This is what I found while running batch files in parallel (multiple instances of the same bat file at the same time with different input parameters) :
Lets say that you have an exe file that performs a long task called
LongRunning...
MySQL vs PostgreSQL for Web Applications [closed]
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"which is faster?" . Depends what you want, If you want ACID compliant Database, then read this: randombugs.com/linux/mysql-postgresql-benchmarks.html
– Sacx
Feb 25 '11 at 8:42
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Check if table exists in SQL Server
...ytablename')
SELECT 1 AS res ELSE SELECT 0 AS res;
will only reflect what is in [database]. If you wanted to check if tables in another database exist, without dynamically changing the [database] each time, OBJECT_ID will let you do this out of the box. Ex-
IF OBJECT_ID (N'db1.schema.table1...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
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This worked. Thank you. Out of interest, what other 'label' options are there for axes in ggplot2 with the scales package?
– JPD
Jan 28 '13 at 14:28
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sql query to return differences between two tables
...*
FROM A
FULL JOIN B ON (A.C = B.C)
WHERE A.C IS NULL OR B.C IS NULL
What you need to know in this case is, that when a record can be found in A, but not in B, than the columns which come from B will be NULL, and similarly for those, which are present in B and not in A, the columns from A will...
What's the difference between '$(this)' and 'this'?
I am currently working through this tutorial: Getting Started with jQuery
7 Answers
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