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How do I UPDATE from a SELECT in SQL Server?
In SQL Server , it is possible to insert rows into a table with an INSERT.. SELECT statement:
35 Answers
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clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
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You can tell clang to not raise this as an error by setting the following environment variables prior compilation:
export CFLAGS=-Qunused-arguments
export CPPFLAGS=-Qunused-arguments
Then pip install psycopg2should work.
I had the same when trying t...
How to remove the left part of a string?
...g e.g. path=c:\path , where the c:\path part may vary. The current code is:
20 Answers
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MySQL - Make an existing Field Unique
I have an already existing table with a field that should be unique but is not. I only know this because an entry was made into the table that had the same value as another, already existing, entry and this caused problems.
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How do I get textual contents from BLOB in Oracle SQL
I am trying to see from an SQL console what is inside an Oracle BLOB.
11 Answers
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Remove duplicate elements from array in Ruby
...es all duplicate elements and retains all unique elements in the array.
This is one of many beauties of the Ruby language.
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Advantages and disadvantages of GUID / UUID database keys
... database keys had been GUID / UUID values. I've considered going down this path a few times, but there's always a bit of uncertainty, especially around performance and un-read-out-over-the-phone-able URLs.
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Optimal way to concatenate/aggregate strings
...gregate strings from different rows into a single row. I'm looking to do this in many different places, so having a function to facilitate this would be nice. I've tried solutions using COALESCE and FOR XML , but they just don't cut it for me.
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Detecting when a div's height changes using jQuery
...ins some content that's being added and removed dynamically, so its height is changing often. I also have a div that is absolutely positioned directly underneath with javascript, so unless I can detect when the height of the div changes, I can't reposition the div below it.
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Find Java classes implementing an interface [duplicate]
...ut my package in an open source library I have on my web site. The library is here: http://software.clapper.org/javautil/. You want to start with the with ClassFinder class.
The utility I wrote it for is an RSS reader that I still use every day, so the code does tend to get exercised. I use ClassFi...