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Maximum single-sell profit

... it's helpful to see the algorithm evolve: 5 10 4 6 7 min 5 5 4 4 4 best (5,5) (5,10) (5,10) (5,10) (5,10) Answer: (5, 10) 5 10 4 6 12 min 5 ...
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Check if value exists in Postgres array

... Erwin BrandstetterErwin Brandstetter 439k9696 gold badges809809 silver badges969969 bronze badges ...
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How do I add a margin between bootstrap columns without wrapping [duplicate]

... 184 You should work with padding on the inner container rather than with margin. Try this! HTML &...
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Best practices to handle routes for STI subclasses in rails

... 140 This is the simplest solution I was able to come up with with minimal side effect. class Perso...
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php var_dump() vs print_r()

... | edited Jun 24 '19 at 10:38 Script47 12.4k44 gold badges3636 silver badges5858 bronze badges ...
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Why am I getting ibtool failed with exit code 255?

... I had something similar happen to me recently using Xcode 4.6 and iOS 6.1. All I did was switch to a different device version (5.1) on the simulator and it ran. Switched back to 6.1 and it fixed itself. Xcode can be unhelpful at times. ...
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How can I beautify JavaScript code using Command Line?

... 64 First, pick your favorite Javascript based Pretty Print/Beautifier. I prefer the one at http://...
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Search for executable files using find command

... Older versions of GNU find also support the -perm +111 syntax, but as of 4.5.12 this syntax is no longer supported. Instead, you can use -perm /111 to get this behavior. share | improve this answe...
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How to configure heroku application DNS to Godaddy Domain?

... 74 I used this videocast to set up my GoDaddy domain with Heroku, and it worked perfectly. Very cle...
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RuntimeException: Unable to instantiate application

... 194 This is a verbose error message raised by underlying framework when dalvik re-install .apk file ...