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How to determine function name from inside a function
...onding elements in BASH_LINENO and BASH_SOURCE to describe the call stack. For instance, ${FUNCNAME[$i]} was called from the file ${BASH_SOURCE[$i+1]} at line number ${BASH_LINENO[$i]}. The caller builtin displays the current call stack using this information.
When bash arrays are accessed without ...
How does the Meteor JavaScript framework work? [closed]
...is really cool. It replicates the MongoDB-server driver into the client. Unfortunately, last I checked, they were still working on securing this database connection.
The latency compensation is simply updating the client-side model first, then sending the update to the server-server.
There may be ...
Bash script to cd to directory with spaces in pathname
... cd $x
A combination of \ in a double-quoted text constant and an eval before cd makes it work like a charm!
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Downloading a picture via urllib and python
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It seems to be cutting off the file extension for me when passed as an argument (the extension is present in the original URL). Any idea why?
– JeffThompson
Nov 1 '14 at 23:39
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String comparison in bash. [[: not found
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This happened to me because I forgot to add #!/bin/bash at the top of my file
– morphatic
Oct 29 '17 at 23:45
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gdb split view with code
...n gdb and somehow I found a new feature I've never seen or even heard of before, a split view where I can see and browse the code in addition to giving commands:
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Start service in Android
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Add a shitton of Log.e tags everywhere: Before you launch the service, the result of the service intent, inside the service class where it would travel(onCreate, onDestroy, any and all methods).
– Zoe
Apr 10 '17 at 18:41
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How can I list all collections in the MongoDB shell?
In the MongoDB shell, how do I list all collections for the current database that I'm using?
22 Answers
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Switching to landscape mode in Android Emulator
...portrait and vice versa.
left-ctrl+F11on Windows 7.
ctrl+F11on Linux.
For Mac users, you only need to use the fn key if the setting "Use all F1, F2 etc. keys as function keys" (under System Preferences -> Keyboard) is checked.
left-ctrl+F11on Windows 7
It works fine in Windows 7 for andro...
Uses for Optional
Having been using Java 8 now for 6+ months or so, I'm pretty happy with the new API changes. One area I'm still not confident in is when to use Optional . I seem to swing between wanting to use it everywhere something may be null , and nowhere at all.
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