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Replace first occurrence of pattern in a string [duplicate]
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3 Answers
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commandButton/commandLink/ajax action/listener method not invoked or input value not set/updated
...d/or warnings in browser's JavaScript console (press F12 in Chrome/Firefox23+/IE9+ to open the web developer toolset and then open the Console tab), then work through below list of possible causes.
Possible causes
UICommand and UIInput components must be placed inside an UIForm component, e.g. <...
Ruby on Rails: How can I revert a migration with rake db:migrate?
... you want to revert.
eg. if you want to revert a migration with file name 3846656238_create_users.rb
rake db:migrate:down VERSION=3846656238
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JavaScript/jQuery to download file via POST with JSON data
...ncoming file?
– Jo Ko
Sep 20 '16 at 21:01
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It will corrupt binary files, because they get conver...
ASP.NET Web Site or ASP.NET Web Application?
...anges!
– Ian Ringrose
Jun 23 '09 at 21:43
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To me having the choice is the best, on websites you...
Android Studio: Default project directory
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answered Jul 30 '13 at 12:43
Rik MartinsRik Martins
97577 silver badges44 bronze badges
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Functional programming - is immutability expensive? [closed]
...t greater) help?
– Solomon Ucko
Feb 21 at 0:58
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How do I check if a variable exists?
I want to check if a variable exists. Now I'm doing something like this:
11 Answers
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How can I measure the similarity between two images? [closed]
I would like to compare a screenshot of one application (could be a Web page) with a previously taken screenshot to determine whether the application is displaying itself correctly. I don't want an exact match comparison, because the aspect could be slightly different (in the case of a Web app, depe...
Is the pImpl idiom really used in practice?
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answered Jan 23 '12 at 15:21
Emilio GaravagliaEmilio Garavaglia
18.4k22 gold badges4141 silver badges5858 bronze badges
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