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Pry: show me the stack
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Use the pry-stack_explorer plugin, it allows you to move up and down the call-stack (with up and down), display the callstack (with show-stack), and so on:
see here:
Frame number: 0/64
From: /Users/johnmair/ruby/rails_projects/personal_site/app/controllers/pos...
Running python script inside ipython
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from within the directory of "my_script.py" you can simply do:
%run ./my_script.py
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SQLite Concurrent Access
...emely fast and has many clever optimizations to minimize contention. Especially SQLite 3.
For most desktop/laptop/tablet/phone applications, SQLite is fast enough as there's not enough concurrency. (Firefox uses SQLite extensively for bookmarks, history, etc.)
For server applications, somebody som...
What is the difference between concurrency and parallelism?
What is the difference between concurrency and parallelism?
37 Answers
37
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How do I write a bash script to restart a process if it dies?
...crashing on your hands. The sleep 1 takes away the strain from that.
Now all you need to do is start this bash script (asynchronously, probably), and it will monitor myserver and restart it as necessary. If you want to start the monitor on boot (making the server "survive" reboots), you can sched...
NSString property: copy or retain?
Let's say I have a class called SomeClass with a string property name:
10 Answers
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Run a task every x-minutes with Windows Task Scheduler [closed]
...uler to run a particular .exe every 10 minutes or so, but the options only allow for once a day execution.
8 Answers
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Amazon Interview Question: Design an OO parking lot [closed]
...s.
ParkingSpace has an Entrance.
Entrance has a location or more specifically, distance from Entrance.
ParkingLotSign is a class.
ParkingLot has a ParkingLotSign.
ParkingLot has a finite number of ParkingSpaces.
HandicappedParkingSpace is a subclass of ParkingSpace.
RegularParkingSpace is a s...
What is bootstrapping?
... I've yet to come across even a poor explanation of what bootstrapping actually is; rather, it seems as though everyone is just supposed to know what it means. I don't, though. Near as I can figure, it has something to do with initialization tasks required of an application upon launch, but I coul...
How does this milw0rm heap spraying exploit work?
I usually do not have difficulty to read JavaScript code but for this one I can’t figure out the logic. The code is from an exploit that has been published 4 days ago. You can find it at milw0rm .
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