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Sending websocket ping/pong frame from browser
...chrome related to ping-pong). Or is it just a design pattern (e.g. I literally send "ping" or any other string to the server and have it respond). Is ping-pong at all related to continuation frames?
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Comparing arrays in JUnit assertions, concise built-in way?
...dResult, result );
If this method is not available, you may have accidentally imported the Assert class from junit.framework.
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Webstorm: “Cannot Resolve Directory”
...older. This means that you should use Resource Root on a folder that holds all the resources you would like to refer to (e.g. styles, scripts, ...).
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Case preserving substitute in Vim
...Job/g, then the Subvert command will switch to mixed-case mode and will do all the substitions as given by OP.
– shivams
Apr 26 at 22:53
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What does the fpermissive flag do?
...formant code from errors to warnings.
Thus, using -fpermissive will allow some nonconforming code to compile.
Bottom line: don't use it unless you know what you are doing!
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Bulk insert with SQLAlchemy ORM
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You also need s.commit() to actually save the records (it took me a bit to figure this one out).
– horcle_buzz
Dec 4 '15 at 1:30
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UIView's frame, bounds, center, origin, when to use what?
...ew has the properties frame , bounds , center , and origin , and they all seem to be interrelated. Most of the time, I deal with frame when setting the position and size of a UIView . I understand that frame is using global coordinate system and bounds is using coordinate of the local ...
Difference between validate(), revalidate() and invalidate() in Swing GUI
...ater.
validate() performs relayout. It means invalid content is asked for all the sizes and all the subcomponents' sizes are set to proper values by LayoutManager.
revalidate() is just sum of both. It marks the container as invalid and performs layout of the container.
UPDATE:
Some code from Com...
How to rollback just one step using rake db:migrate
...Guide for running migrations.
Here's some more:
rake db:migrate - Run all migrations that haven't been run already
rake db:migrate VERSION=20080906120000 - Run all necessary migrations (up or down) to get to the given version
rake db:migrate RAILS_ENV=test - Run migrations in the given environm...
How to determine function name from inside a function
...Bash Reference Manual:
FUNCNAME
An array variable containing the names of all shell functions currently in the execution call stack. The element with index 0 is the name of any currently-executing shell function. The bottom-most element (the one with the highest index) is "main". This variable exis...