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Maintain git repo inside another git repo
... Git submodules.
Git addresses this issue using submodules. Submodules allow you to keep a Git repository as a subdirectory of another Git repository. This lets you clone another repository into your project and keep your commits separate.
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How to detect DIV's dimension changed?
...he div's dimension change event? and How to do that? I currently bind the callback function to the jQuery resize event on the target DIV, however, no console log is outputted, see below:
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Is there a version control system for database structure changes?
...keeps track of your current db version.
To migrate up, you run a command called "db:migrate" which looks at your version and applies the needed scripts. You can migrate down in a similar way.
The migration scripts themselves are kept in a version control system -- whenever you change the database ...
error_log per Virtual Host?
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Depending on your config, you may need to manually create the log file and set the owner/group to the same user/group that Apache is using. Apache won't warn you if it can't write to the log file.
– Ian Dunn
Jun 24 '11 at 23:41
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socket.shutdown vs socket.close
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Here's one explanation:
Once a socket is no longer required,
the calling program can discard the
socket by applying a close subroutine
to the socket descriptor. If a
reliable delivery socket has data
associated with it when a close takes
place, the system continues to attempt
da...
Why is enum class preferred over plain enum?
...s should be preferred because they cause fewer surprises that could potentially lead to bugs.
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Adding external library in Android studio
...nspecting.... But there are docs available : developer.android.com/sdk/installing/studio-build.html
– malcubierre
Sep 2 '14 at 6:28
26
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C# int to byte[]
...sides, doing the assignment is cheap since it does not copy the memory nor allocate new memory, it just adds a new name to the already allocated array. So why not do it?
– paracycle
May 7 '19 at 15:54
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How to listen for changes to a MongoDB collection?
...tricks. The key here is the oplog.
When you run MongoDB in a Replica Set, all of the MongoDB actions are logged to an operations log (known as the oplog). The oplog is basically just a running list of the modifications made to the data. Replicas Sets function by listening to changes on this oplog a...
CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true
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This is a part of security, you cannot do that. If you want to allow credentials then your Access-Control-Allow-Origin must not use *. You will have to specify the exact protocol + domain + port. For reference see these questions :
Access-Control-Allow-Origin wildcard subdomains, ports...