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smartrader
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Asked: May 25, 2021In: Jackson

com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of

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I’m trying to automate my trading strategy. I’m new to programming languages. Just leaned few things in Java and developed the program. I’m getting below error while parsing my timeseries data, Please some one help me com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of ...

jacksonjavajsontrading
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Asked: September 9, 2021In: Programming

How to delete unpushed changes in git

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I mistakenly committed my codes in wrong branch, those changes still in my local repository, not pushed to remote repository. I wan to revert all my unpushed changes, but I want all my local changes to be retained in local. May ...

gitversion control
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Asked: June 9, 2021In: Java

How to split the String by space

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I want to split the string by space, below code not working. I’m new to Java. Please share the good tutorials for beginners. String s1 = “Welcome to Hello World Java”; String[] str = s1.split(” “);

javajava stringregexregular expression
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praveena
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Asked: May 17, 2021In: Hibernate

org.hibernate.ObjectDeletedException: deleted object would be re-saved by cascade

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I’m trying to migrate my web user  to app user type. to perfrom the migration I’m removing user deleting old user activity of type web and recreating the entry with type “app” (both delete & create happening in different transactions ...

databasehibernatejpaorm
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Asked: November 28, 2019In: Government

ஆதாரில் போட்டோ மாற்றுவது எப்படி

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எனக்கு ஆதார் அட்டையில் உள்ள போட்டோ பிடிக்கவில்லை மிகவும் மோசமாக உள்ளது. ஆதார் அட்டையில் கலர் போட்டோ மாற்றமுடியும். ஆதரில் திருத்தும் செய்ய எங்கு செல்லவேண்டும், யாரை அணுகவேண்டும் விவரம் தெரிந்தவர்கள் உதவுங்கள்

aadhargovernment
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Asked: April 11, 2021In: Government

புதிய குடும்ப அட்டை விண்ணப்பிப்பது எப்படி ?

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புதிதாக திருமணம் ஆனவர்கள் ரேஷன் கார்டு பெற என்ன செய்ய வேண்டும். எந்த அரசு அலுவலகத்துக்கு செல்லவேண்டும் தேவையான ஆவணங்கள் எவை மற்றும் எவ்வளுவு செலவு ஆகும். யாரேனும் புதிதாக ரேஷன் அட்டை பெற்றியிருந்தால் உங்கள் அனுபவத்தை பகிர்ந்துகொள்ளுங்கள். எனக்கு மிகவும் உதவியாக இருக்கும்  

governmentration card
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techgeek
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Asked: June 5, 2021In: Java

Exception in thread “main” java.util.regex.PatternSyntaxException: Unexpected internal error near index 1

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I’m getting below error while split the string by “\” even I used with escape “\\” but still getting the exception Exception in thread “main” java.util.regex.PatternSyntaxException: Unexpected internal error near index 1 \ at java.base/java.util.regex.Pattern.error(Pattern.java:2029) at java.base/java.util.regex.Pattern.compile(Pattern.java:1790) at java.base/java.util.regex.Pattern.<init>(Pattern.java:1431) at java.base/java.util.regex.Pattern.compile(Pattern.java:1070)

core javajavaregexregular expression
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