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DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... the transaction. (You might think of it as a safety feature, to keep you from corrupting your data.)
To fix this, you'll want to figure out where in the code that bad query is being executed. It might be helpful to use the log_statement and log_min_error_statement options in your postgresql serv...
Why do people use __(double underscore) so much in C++
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From Programming in C++, Rules and Recommendations :
The use of two underscores (`__') in identifiers is reserved for the compiler's internal use according to the ANSI-C standard.
Underscores (`_') are often used in ...
Excel VBA App stops spontaneously with message “Code execution has been halted”
From what I can see on the web, this is a fairly common complaint, but answers seem to be rarer. The problem is this:
11 An...
How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
...but this mechanism allows for SQL injection and also prevents the database from reusing an execution plan when the statement shows up again but with different values.
– Greg Biles
Nov 4 '11 at 16:52
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Parsing CSV files in C#, with header
...the FileHelpers engine at a file, and bingo - you get back all the entries from that file. One simple operation - great performance!
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What's the difference between identifying and non-identifying relationships?
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I will never use this to model that. The best answer is from "aqsa rao" below that states the following: "An identifying relationship means that the child table cannot be uniquely identified without the parent." Because your definition is adding unecessary semantic that could conf...
How do you deploy your ASP.NET applications to live servers?
...ler projects; we have something more like CI:
"live" build-server builds from the approved source (not the "HEAD" of the repo)
(after it has taken a backup ;-p)
robocopy publishes to a staging server ("live", but not in the F5 cluster)
final validation done on the staging server, often with "hosts...
How do CDI and EJB compare? interact?
...ations (Glassfish, JBoss AS, Websphere, etc).
EJB3 beans were retrofitted from the old legacy EJB2 component model* and were the first beans in Java EE to be managed beans via an annotation. EJB3 beans feature dependency injection, declarative transactions, declarative security, pooling, concurren...
How do I bind a WPF DataGrid to a variable number of columns?
...out binding only to DataGrid. 2. Check e.OldValue for null and unsubscribe from CollectionChanged event to prevent memory leaks. Just for your convince.
– Mike Eshva
Oct 23 '13 at 13:01
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Embedding SVG into ReactJS
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Thanks, starting from this I've managed to import an svg from file as a React component without any loader, I've just removed ``` xmlns:osb="openswatchbook.org/uri/2009/osb"``` from the svg tag, leaving only the xlmns. It's all about tag par...