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Java – How to Check if a string is a valid number?

Problem statement You need to check if a input string contain a valid number or not. Solution Use the appropriate wrapper class for converting the string to numeric formats. For example Double to convert string to double as shown below. When the input is a invalid number , the NumberFormatException is caused which needs to be handled by the developers.

Stripe API Error – sku_inactive

In this post, you’ll learn more about the Error sku_inactive that is returned when working with the Stripe API Stripe API Error sku_inactive Stripe API Error Description The SKU is inactive and no longer available for purchase. Use a different SKU, or make the current SKU active again.

How to fix the Oracle error NPL-00411: incoming ASN.1 NULL encoding has nonzero length of string?

In this post, you’ll learn more about the Oracle ErrorNPL-00411: incoming ASN.1 NULL encoding has nonzero length of string with the details on why you receive this error and the possible solution to fix it. Oracle Error Description NPL-00411: incoming ASN.1 NULL encoding has nonzero length of string Reason for the Error NPL-00411: incoming ASN.1 NULL encoding has nonzero length of string Cause: The ASN.1…

How to fix the Oracle error TNS-00247: Unable to allocate memory for configuration data from TNSNET.ORA file?

In this post, you’ll learn more about the Oracle ErrorTNS-00247: Unable to allocate memory for configuration data from TNSNET.ORA file with the details on why you receive this error and the possible solution to fix it. Oracle Error Description TNS-00247: Unable to allocate memory for configuration data from TNSNET.ORA file Reason for the Error TNS-00247: Unable to allocate memory for configuration data from TNSNET.ORA file…

How to fix the Oracle error KFNDG-00301: new disk group (string) already exists, ignorning renamedg?

In this post, you’ll learn more about the Oracle ErrorKFNDG-00301: new disk group (string) already exists, ignorning renamedg with the details on why you receive this error and the possible solution to fix it. Oracle Error Description KFNDG-00301: new disk group (string) already exists, ignorning renamedg Reason for the Error KFNDG-00301: new disk group (string) already exists, ignorning renamedg disk group specified in NEWDGNAME already…

How to fix the Oracle error DIA-48195: OS command to remove a directory failed?

In this post, you’ll learn more about the Oracle ErrorDIA-48195: OS command to remove a directory failed with the details on why you receive this error and the possible solution to fix it. Oracle Error Description DIA-48195: OS command to remove a directory failed Reason for the Error DIA-48195: OS command to remove a directory failed The OS command to remove a directory failed. How…

How to fix the Oracle error UDI-00010: multiple job modes requested, string and string.?

In this post, you’ll learn more about the Oracle ErrorUDI-00010: multiple job modes requested, string and string. with the details on why you receive this error and the possible solution to fix it. Oracle Error Description UDI-00010: multiple job modes requested, string and string. Reason for the Error UDI-00010: multiple job modes requested, string and string. Invalid job mode was specified. How to fix the…

How to fix the Oracle error EXP-00007: dictionary shows no columns for string.string?

In this post, you’ll learn more about the Oracle ErrorEXP-00007: dictionary shows no columns for string.string with the details on why you receive this error and the possible solution to fix it. Oracle Error Description EXP-00007: dictionary shows no columns for string.string Reason for the Error EXP-00007: dictionary shows no columns for string.string Export failed to gather column information from the data dictionary. The table…

How to fix the Oracle error ORA-24405: error occured while trying to create connections in the pool?

In this post, you’ll learn more about the Oracle ErrorORA-24405: error occured while trying to create connections in the pool with the details on why you receive this error and the possible solution to fix it. Oracle Error Description ORA-24405: error occured while trying to create connections in the pool Reason for the Error ORA-24405: error occured while trying to create connections in the pool…

How to fix the Oracle error ORA-16419: Snapshot standby must be converted to a physical standby database.?

In this post, you’ll learn more about the Oracle ErrorORA-16419: Snapshot standby must be converted to a physical standby database. with the details on why you receive this error and the possible solution to fix it. Oracle Error Description ORA-16419: Snapshot standby must be converted to a physical standby database. Reason for the Error ORA-16419: Snapshot standby must be converted to a physical standby database….

C# Compiler Warning – CS8620 argument of type ‘{0}’ cannot be used fo

In this blog post, you’ll learn more about the C# Compiler Warning – CS8620 and the related message description C# Compiler Warning Code CS8620 C# Compiler Description for the Code :CS8620 Argument of type ‘{0}’ cannot be used for parameter ‘{2}’ of type ‘{1}’ in ‘{3}’ due to differences in the nullability of reference types.