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Getting value of select (dropdown) before change

... is changed I want the value of the dropdown before change. I am using 1.3.2 version of jQuery and using on change event but the value I am getting over there is after change. ...
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jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class: javax/servlet/Servlet.class

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Insert a line at specific line number with sed or awk

... 243 sed -i '8i8 This is Line 8' FILE inserts at line 8 8 This is Line 8 into file FILE -i d...
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Best way to split string into lines

... | edited Apr 3 '18 at 8:42 answered Oct 2 '09 at 7:53 Konr...
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How do I implement IEnumerable

... huysentruitw 24.1k88 gold badges7171 silver badges114114 bronze badges answered Jul 2 '12 at 15:45 Monroe ThomasMo...
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Difference between dispatch_async and dispatch_sync on serial queue?

.... for this code dispatch_async(_serialQueue, ^{ printf("1"); }); printf("2"); dispatch_async(_serialQueue, ^{ printf("3"); }); printf("4"); It may print 2413 or 2143 or 1234 but 1 always before 3 for this code dispatch_sync(_serialQueue, ^{ printf("1"); }); printf("2"); dispatch_sync(_serialQu...
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Writing outputs to log file and console

... exec 3>&1 1>>${LOG_FILE} 2>&1 would send stdout and stderr output into the log file, but would also leave you with fd 3 connected to the console, so you can do echo "Some console message" 1>&3 to write a message just to the console...
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How to open a second activity on click of button in android app

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How to set up Spark on Windows?

... | edited Mar 26 '15 at 18:57 answered Aug 25 '14 at 12:19 ...
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How to log cron jobs?

... * * * * * myjob.sh >> /var/log/myjob.log 2>&1 will log all output from the cron job to /var/log/myjob.log You might use mail to send emails. Most systems will send unhandled cron job output by email to root or the corresponding user. ...