Recent questions tagged Undefined

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undefined - A question about union in C - store as one type and read as another - is it implementation defined?

I was reading about union in C from K&R, as far as I understood, a single variable in union can hold any ... figure out the reason behind that output. Thanks. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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undefined offset PHP error

I am receiving the following error in PHP Notice undefined offset 1: in C:wampwwwincludesimdbgrabber.php line 36 Here ... HERE } What does the error mean? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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undefined is not an object (evaluating '_this.state.BankName.trim') in react native

I want input field should not be an empty. please help me I am getting this error = undefined is not an object ... is-not-an-object-evaluating-this-state-bankname-trim-in-react-nat...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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undefined method `-' for nil:NilClass (NoMethodError) | ruby / codewars question

def comp(array1, array2) d = array2 - array1.map{|x| x.pow(2)} d == [] ? true ... .com/questions/65937958/undefined-method-for-nilnilclass-nomethoderror-ruby-codewars-question...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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undefined method `file_fixture_path' after upgrade to ruby 3 and rails 6.1

After upgrade to ruby 3 and rails 6.1 my tests break on the line subject.avatar.attach(fixture_file_upload(Rails.root.join(' ... -fixture-path-after-upgrade-to-ruby-3-and-rails-6-1...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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624 views

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undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react native

undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react ... -an-object-evaluating-event-target-name-when-i-trying-to-mak...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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undefined symbol: _ZTVN10__cxxabiv120__si_class_type_infoE: when importing c++ methods though python

I'm trying to write some simple c++ objects that I would like to expose in python. Following bit of ... -symbol-ztvn10-cxxabiv120-si-class-type-infoe-when-importing-c-m...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react native

undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react ... -an-object-evaluating-event-target-name-when-i-trying-to-mak...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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699 views

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undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react native

undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react ... -an-object-evaluating-event-target-name-when-i-trying-to-mak...

asked Mar 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

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undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react native

undefined is not an object (evaluating 'event.target name') when i trying to make a sign up validated form react native Here is ... Nh?p</Text> </TouchableOpacity> </View> ); } }...

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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