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How to prevent robots from automatically filling up a form?

I'm trying to come up with a good enough anti-spamming mechanism to prevent automatically generated input. I've read that techniques like captcha, 1+1=? stuff work well, but they also present an extra step impeding the free quick use of the application (I'm not looking for anything like that please)...
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Commands executed from vim are not recognizing bash command aliases

...ve. Use :set shellcmdflag=-ic to make Vim’s :! shell behave like your command prompt. share | improve this answer | follow | ...
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Ask for User Permission to Receive UILocalNotifications in iOS 8

... -1 for checking iOS version UIDevice. stackoverflow.com/a/25735175/1226304 answer has better approach to do this. – derpoliuk Sep 18 '14 at 8:30 3 ...
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What is the default form HTTP method?

... It's GET. Take a look W3C Superceded Recommendation 17.3 The FORM element. Excerpt: <!ATTLIST FORM %attrs; -- %coreattrs, %i18n, %events -- action %URI; #REQUIRED -- server-side form handler -- method (GE...
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iPad browser WIDTH & HEIGHT standard

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How to translate between Windows and IANA time zones?

...pdates, and the irregular updates of the IANA time zone database, makes it complicated to just use the CLDR data directly. Keep in mind that time zone changes themselves are made at the whim of the world's various governments, and not all changes are made with sufficient notice to make it into thes...
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How to play an android notification sound

... edited May 23 '17 at 12:10 Community♦ 111 silver badge answered Mar 8 '12 at 17:28 PhidiusPhidius ...
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Cannot obtain value of local or argument as it is not available at this instruction pointer, possibl

... the configuration from "Release" to "Build". Worked on Visual Studio 2017 Community Edition. – Neo Dec 30 '18 at 19:05 1 ...
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Enabling error display in PHP via htaccess only

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How to set an environment variable only for the duration of the script?

...s to run vblank_mode=0 glxgears. It works, but it also says vblank_mode=0: command not found after running, whereas prepending env doesn't cause this. [testing...] Apparently zsh doesn't like it (yet still uses it correctly), but bash is fine with it. I guess I'll go with the env method from now on....