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is of a type that is invalid for use as a key column in an index
I have an error at
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Smart pointers: who owns the object? [closed]
C++ is all about memory ownership - aka ownership semantics .
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Default background color of SVG root element
I'd like to set a default background color for the entire SVG document, to red for example.
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SELECT INTO Variable in MySQL DECLARE causes syntax error?
I´d like to SELECT a single value into a variable. I´d tried to following:
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How do I add a delay in a JavaScript loop?
I would like to add a delay/sleep inside a while loop:
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Detecting Unsaved Changes
I have a requirement to implement an "Unsaved Changes" prompt in an ASP .Net application. If a user modifies controls on a web form, and attempts to navigate away before saving, a prompt should appear warning them that they have unsaved changes, and give them the option to cancel and stay on the cu...
What is the difference between g++ and gcc?
What is the difference between g++ and gcc? Which one of them should be used for general c++ development?
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Counter increment in Bash loop not working
I have the following simple script where I am running a loop and want to maintain a COUNTER . I am unable to figure out why the counter is not updating. Is it due to subshell thats getting created? How can I potentially fix this?
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How can I profile C++ code running on Linux?
I have a C++ application, running on Linux, which I'm in the process of optimizing. How can I pinpoint which areas of my code are running slowly?
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MongoDB: Combine data from multiple collections into one..how?
How can I (in MongoDB) combine data from multiple collections into one collection?
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