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Android Studio IDE: Break on Exception

... To break on all exceptions, caught or uncaught: Open the Breakpoints window via Run -> View Breakpoints. The Breakpoints dialog appears. In the left pane, scroll to the bottom. Select Any exception under Java Exception Breakpoints W...
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Update ViewPager dynamically?

...t is best to deal solely with getItem() and not touch instantiateItem() at all. The instantiateItem()-destroyItem()-isViewFromObject() interface on PagerAdapter is a lower-level interface that FragmentPagerAdapter uses to implement the much simpler getItem() interface. Before getting into this, I s...
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How to redirect and append both stdout and stderr to a file with Bash?

...'send errors to output, append output to this file'. Note while Linux generally has a current version of bash, OS X, at the time of writing, still requires bash 4 to manually installed via homebrew etc. – mikemaccana May 20 '13 at 9:30 ...
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inject bean reference into a Quartz job in Spring?

... I do not use Spring's Quartz jobs, because I need to schedule them dynamically, at run time, and all examples of integrating Spring with Quartz that i found were hard-coding the shcedules in the Spring config files... Anyway, here is how I schedule the job: ...
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Do rails rake tasks provide access to ActiveRecord models?

... namespace :test do task :new_task => :environment do puts Parent.all.inspect end end Notice the => :environment dependency added to the task share | improve this answer | ...
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Add file extension to files with bash

... second one adds an extension on all files, not just extensionless ones – Jeff Mar 24 '15 at 15:55 5 ...
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Why does C++ compilation take so long?

...sands of headers to be (1) loaded and (2) compiled. Every one of them typically has to be recompiled for every compilation unit, because the preprocessor ensures that the result of compiling a header might vary between every compilation unit. (A macro may be defined in one compilation unit which cha...
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How to Vertical align elements in a div?

I have a div with two images and an h1 . All of them need to be vertically aligned within the div, next to each other. 29 ...
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How do I find Waldo with Mathematica?

... over the weekend: What is a good way to solve those Where's Waldo? [ 'Wally' outside of North America] puzzles, using Mathematica (image-processing and other functionality)? ...
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Does MySQL ignore null values on unique constraints?

... Yes, MySQL allows multiple NULLs in a column with a unique constraint. CREATE TABLE table1 (x INT NULL UNIQUE); INSERT table1 VALUES (1); INSERT table1 VALUES (1); -- Duplicate entry '1' for key 'x' INSERT table1 VALUES (NULL); INSER...