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How do I prevent commands from showing up in Bash history?
...e command again by reverse-i-search . Is there a good way to prevent this from happening?
7 Answers
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Exception thrown in catch and finally clause
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The catch is executed since q() threw an Exception from its own finally block.
– Péter Török
Sep 23 '10 at 14:26
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Run an untrusted C program in a sandbox in Linux that prevents it from opening files, forking, etc.?
...program under a sandbox in Linux. Something that would prevent the program from opening files, or network connections, or forking, exec, etc?
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How do you remove duplicates from a list whilst preserving order?
Is there a built-in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this:
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When do you use map vs flatMap in RxJava?
...another.
flatMap transform one event to zero or more event. (this is taken from IntroToRx)
As you want to transform your json to an object, using map should be enough.
Dealing with the FileNotFoundException is another problem (using map or flatmap wouldn't solve this issue).
To solve your Excepti...
Android Shared preferences for creating one time activity (example) [closed]
...er filling and saving the form data in database(SQLITE). I am using intent from A to B and then B to C.What i want is that every time I open my app I want C as my home screen and not A and B anymore.
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What is the relationship between Looper, Handler and MessageQueue in Android?
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A Looper is a message handling loop: it reads and processes items from a MessageQueue. The Looper class is usually used in conjunction with a HandlerThread (a subclass of Thread).
A Handler is a utility class that facilitates interacting with a Looper—mainly by posting messages and Runna...
iterating over and removing from a map [duplicate]
...of iterating over the entry set. Its not very obvious though that removing from the key set removes things from the map (i.e. the key set can be a copy)
– Gennadiy
Dec 10 '09 at 23:43
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How do you print in a Go test using the “testing” package?
...ags
-v
Verbose output: log all tests as they are run. Also print all
text from Log and Logf calls even if the test succeeds.
Package testing
func (*T) Log
func (c *T) Log(args ...interface{})
Log formats its arguments using default formatting, analogous to Println, and records t...
“Register” an .exe so you can run it from any command line in Windows
How can you make a .exe file accessible from any location in the Windows command window? Is there some registry entry that has to be entered?
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