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How to listen for changes to a MongoDB collection?
I'm creating a sort of background job queue system with MongoDB as the data store. How can I "listen" for inserts to a MongoDB collection before spawning workers to process the job? Do I need to poll every few seconds to see if there are any changes from last time, or is there a way my script can wa...
Animate scrollTop not working in firefox
This function works fine. It scrolls the body to a desired container's offset
11 Answers
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What is the usefulness of `enable_shared_from_this`?
I ran across enable_shared_from_this while reading the Boost.Asio examples and after reading the documentation I am still lost for how this should correctly be used. Can someone please give me an example and explanation of when using this class makes sense.
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How to retrieve a file from a server via SFTP?
I'm trying to retrieve a file from a server using SFTP (as opposed to FTPS) using Java. How can I do this?
16 Answers
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git push local branch with same name as remote tag
I'm trying to push a new local branch product-0.2 to remote where there is already a tag with the same name (but the branch itself does not exist)
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Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
A few projects in my client's solution have a post-build event: xcopy the build output to a specific folder. This works fine when building locally. However, in TeamCity, I occasionally get
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JavaFX and OpenJDK
I'm trying to decide whether I could switch to JavaFX for the user interface of my Java application. Most of my users would be using the Oracle JRE, which has JavaFX integrated these days. However, some are using OpenJDK (on linux). This (old) question suggests that OpenJDK deals very badly with J...
What is the difference between call and apply?
What is the difference between using call and apply to invoke a function?
24 Answers
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Error: «Could not load type MvcApplication»
I am getting the error
41 Answers
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Dynamically set local variable [duplicate]
How do you dynamically set local variable in Python (where the variable name is dynamic)?
7 Answers
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