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Conversion from Long to Double in Java
Is there any way to convert a Long data type to Double or double ?
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Postgres: How to do Composite keys?
I cannot understand the syntax error in creating a composite key. It may be a logic error, because I have tested many varieties.
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How can i tell if an object has a key value observer attached
..."status") } catch let error as NSError { print(error.localizedDescription) } getting warning.
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Insert text with single quotes in PostgreSQL
...rsions or if you still run with standard_conforming_strings = off or, generally, if you prepend your string with E to declare Posix escape string syntax, you can also escape with the backslash \:
E'user\'s log'
Backslash itself is escaped with another backslash. But that's generally not preferabl...
How to convert a string of bytes into an int?
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How to debug a Flask app
How are you meant to debug errors in Flask? Print to the console? Flash messages to the page? Or is there a more powerful option available to figure out what's happening when something goes wrong?
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Elasticsearch query to return all records
...size=10000, at somewhere between 5th-7th iterations. with status=127, main ERROR Null object returned for RollingFile in Appenders, main ERROR Unable to locate appender "rolling" for logger config "root" No logs in /var/log/elasticsearch/elasticsearch.log
– stelios
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Is volatile expensive?
...Cookbook for Compiler Writers about the implementation of volatile, especially section "Interactions with Atomic Instructions" I assume that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad and LoadStore are effective...
Git: “please tell me who you are” error
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Can you explain how is it working and why it was giving error before doing this?
– Chinmaya B
Sep 19 '16 at 20:34
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How do I look inside a Python object?
...hich implement any representation methods, or objects like googleapiclient.errors.HttpError which when you print them they print insufficient information for sure, thanks @mtasic85
– Felipe Valdes
Feb 3 at 12:44
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