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Receive result from DialogFragment

...u show the dialog, and then when your dialog is finished, from it you can call getTargetFragment().onActivityResult(getTargetRequestCode(), ...), and implement onActivityResult() in the containing fragment. It seems like an abuse of onActivityResult(), especially as it doesn't involve activities at...
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How do I prevent commands from showing up in Bash history?

... I don't want this to be recorded in Bash history, because I might accidentally run the same command again by reverse-i-search . Is there a good way to prevent this from happening? ...
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GNU Makefile rule generating a few targets from a single source file

I am attempting to do the following. There is a program, call it foo-bin , that takes in a single input file and generates two output files. A dumb Makefile rule for this would be: ...
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How to specify more spaces for the delimiter using cut?

... Actually awk is exactly the tool you should be looking into: ps axu | grep '[j]boss' | awk '{print $5}' or you can ditch the grep altogether since awk knows about regular expressions: ps axu | awk '/[j]boss/ {print $5}' But...
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elasticsearch v.s. MongoDB for filtering application [closed]

...to elastic. Our use case differs from yours in that our Mongo data changes all the time: a record, or a subset of the fields of a record, can be updated several times a day and this can call for re-indexing of that record to elastic. For that reason alone, using elastic as the sole data store is not...
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Rails: update_attribute vs update_attributes

...if perform_validation is false it bypasses (skips will be the proper word) all the validations associated with save. For second question Also, what is the correct syntax to pass a hash to update_attributes... check out my example at the top. Your example is correct. Object.update_attributes...
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How to install an apk on the emulator in Android Studio?

How do you install an apk on the emulator in Android Studio from the terminal? 12 Answers ...
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Does anyone beside me just NOT get ASP.NET MVC? [closed]

...h greater control over the page output and a higher-level, more architecturally-driven approach. Let me capture Web Forms and MVC and show why I think that the comparison favors Web Forms in many situations - as long as you don't fall into some classic Web Forms traps. Web Forms In the Web Forms m...
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How to continue a Docker container which has exited

...r container created. -q merely suppresses other info (bedsides the id) usually output by `docker ps`. ---- note: Backtick is not a quotation sign, it has a very special meaning. Everything you type between backticks is evaluated (executed) by the shell before the main command - unix.stackexch...
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How to use SVN, Branch? Tag? Trunk?

...ches: 1 for the main development, 1 for the as-yet-unfinished effort to parallelise the program, and 1 for the effort to revise it to use XML input and output files; -- we scarcely use tags, though we think we ought to use them to identify releases to production; Think of development proceeding al...