Unhappy Exception Handling

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6/)"11:&9$&15*0/)"/%-*/( +VOJDIJ*UP

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5IFCBTJDTZOUBYPGFYDFQUJPOIBOEMJOHJO3VCZ begin # Exception might happen a = 1 / 0 rescue => e # Handle the exception # and the program continues puts "error: #{e.message}" end puts a Twitter @jnchito / GitHub JunichiIto

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40.&:&"34"(0 Twitter @jnchito / GitHub JunichiIto

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5IFDPEFXBTMJLFUIJT OPU3BJMTBDUVBMMZ def update @post.update!(post_params) redirect_to @post rescue => e # Just display error code flash[:alert] = "System err: #{e.code}" render :edit end ➤ /FJUIFSOPUJpFE OPSMPHHFE8FOFWFSOPUJDFEFWFOJGBOFSSPSPDDVSSFE ➤ 6OGPSUVOBUFMZ UIFVTFSTIBEBQSPDFEVSF l*GZPVHFUUIJTFSSPS LFFQPOSFUSZz ➤ 5IFSPPUDBVTF%FBEMPDLXBTJOWPMWFETPGSFRVFOUMZEVFUPBCBEUBCMFEFTJHO 6/)"11:&9$&15*0/ )"/%-*/()&3& Twitter @jnchito / GitHub JunichiIto

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"#065.& ➤ +VOJDIJ*UP $BMMNF+VO ➤ 4PGUXBSF&OHJOFFSBU4POJD(BSEFO*OD ➤ %FWFMPQJOH3BJMTBQQMJDBUJPOT ➤ Twitter @jnchito ➤ GitHub JunichiIto

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1&340/"-803,4 ➤ 5SBOTMBUFE&WFSZEBZ3BJMT5FTUJOHXJUI34QFD https://leanpub.com/everydayrailsrspec-jp

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1&340/"-803,4 ➤ 8SPUFBCPPLDBMMFE*OUSPEVDUJPOUP3VCZ 1SPHSBNNJOHGPS'VUVSF1SPGFTTJPOBMT https://ruby-book.jnito.com/en While reading the manuscript, I felt many times "Oh, this is what it means to truly understand other people's feelings." This book is definitely useful for everyone to go on to the "next step”. From the foreword by Matz English Publisher W anted! “Learn Ruby Before Rails.

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5)"/,:06 Twitter @jnchito GitHub JunichiIto Book https://ruby-book.jnito.com/en