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get the latest fragment in backstack
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this helper method get fragment from top of stack:
public Fragment getTopFragment() {
if (getSupportFragmentManager().getBackStackEntryCount() == 0) {
return null;
}
String fragmentTag = getSupportFragmentManager().getBackStackEntryAt(g...
Why does the default parameterless constructor go away when you create one with parameters
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Well no. If we designed an OO language from scratch, the most obvious meaning of there being no constructor is, "you neglected to add a constructor that ensures the class' invariant" and it would raise a compilation error.
– Jon Hanna
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Python 2.7 getting user input and manipulating as string without quotations
I want to get a string from a user, and then to manipulate it.
8 Answers
8
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Execution failed app:processDebugResources Android Studio
...an't get it to work flawlessly. I got this error after pulling the changes from him:
34 Answers
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How can I generate a list of files with their absolute path in Linux?
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find simply prepends the path it was given to a relative path to the file from that path.
Greg Hewgill also suggested using pwd -P if you want to resolve symlinks in your current directory.
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Ruby equivalent of virtualenv?
...Running this command in the root of a project will install the gems listed from your Gemfile, put the libs in ./vendor, and any executables in ./bin and all requires (if you use bundle console or the Bundler requires) will reference these exes and libs.
Works for me.
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Gunicorn worker timeout error
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We had the same problem using Django+nginx+gunicorn. From Gunicorn documentation we have configured the graceful-timeout that made almost no difference.
After some testings, we found the solution, the parameter to configure is: timeout (And not graceful timeout). It works like...
Safe integer parsing in Ruby
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That's what I'd expect from the conversion though
– wvdschel
Aug 8 '09 at 22:21
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How do you specify a byte literal in Java?
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If you're passing literals in code, what's stopping you from simply declaring it ahead of time?
byte b = 0; //Set to desired value.
f(b);
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How do I update the password for Git?
...late, but if you have two factor enabled you need to generate an API token from your account settings in GitHub and use that for your password. Instructions here: help.github.com/articles/…
– Michael
Aug 21 '18 at 14:02
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