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Closed 10 years ago.
what is the purpose of initialization vectors in CBC mode encryption?
For a given plaintext input and a key, the IV is used to ensure the ciphertext is different each time the plaintext is encrypted with the key.
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Closed 10 years ago.
I want to do some statistical analysis with an ms-sql database for an aps.net application. What are the options as I don't see many built-in functions for my purpose? Thanks for any suggestions. Options that you actually use would be appreciated.
Check out MathDotNet, it can do pretty much anything you'd need.
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
Can anybody help me to write a regex expression which accpets -
Numbers
+
-
Total number characters should be 20.
use character set [...]
here you are:
[-+\d]{20}
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
how to reverse records in pl/sql
Use an ORDER BY clause with either ASCENDING or DESCENDING when selecting your records.
If this isn't what you want, you need to learn how to ask questions, as this is rather vague and open to interpretation.
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Closed 11 years ago.
Who can tell me what type of encryption this is?:
ntmQADJg9WWFHqQU/Bcef0YRnM0xB1
Looks like a base64 encoded string. However decoding that results in a binary, so beyond that can't say.
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 12 years ago.
I want to store images in websql(sqllite).so please provide the procedure to store images in websql.
Sqlite has a data type called BLOB which is common in many DBMSes.
You can serialize the image as byte[] ans save it to column just like other data types.
Here is the same questoin How do i store and retrieve a blob from sqlite asked and answered.