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Difference between Hashing a Password and Encrypting it
... @Luc I disagree with you, my previous self. I've seen too many SQL-injections that did not compromise the application code (or configuration files) and I am now of the opinion that adding a secret is helpful, be it in the form of encryption or in the form of a pepper, but it must not rep...
What are major differences between C# and Java?
...ters, aiding in the return of multiple values, a feature shared by C++ and SQL.
• C# has the ability to alias namespaces.
• C# has "Explicit Member Implementation" which allows a class to specifically implement methods of an interface, separate from its own class methods. This allows it al...
How to compare dates in Java? [duplicate]
...er compliant with JDBC 4.2 or later. No need for strings, no need for java.sql.* classes. Hibernate 5 & JPA 2.2 support java.time.
Where to obtain the java.time classes?
Java SE 8, Java SE 9, Java SE 10, Java SE 11, and later - Part of the standard Java API with a bundled implementation.
Java...
MySQL error: key specification without a key length
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The error happens because MySQL can index only the first N chars of a BLOB or TEXT column. So The error mainly happens when there is a field/column type of TEXT or BLOB or those belong to TEXT or BLOB types such as TINYBLOB, MEDIUMBLOB, LONGBLOB, TINYTE...
Multiple columns index when using the declarative ORM extension of sqlalchemy
According to the documentation and the comments in the sqlalchemy.Column class, we should use the class sqlalchemy.schema.Index to specify an index that contains multiple columns.
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Why exactly is eval evil?
...bout it? In other words, the only problems with eval are the same with SQL queries and other techniques that use user input directly?
– Jay
Apr 3 '10 at 13:59
10
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What is the meaning of erb?
... and load it as required. This means that you can keep templates in files, SQL databases, or any other kind of storage that you want to use.
Ruby distributions also include a command-line utility that enables you to process templates that are held in files without writing any additional code. Logica...
Why is using 'eval' a bad practice?
.../evil because it's treating unparamaterized data as code (this is why XSS, SQL injection, and stack smashes exist). @S.Lott: "It's only insecure if you are surrounded by evil sociopaths who are looking for ways to subvert your application." Cool, so say you make a program calc, and to add numbers it...
How to do stateless (session-less) & cookie-less authentication?
...og in again. It's fairly scalable - if you store it in a database, its one SQL statement executed, and with the correct indexes, it should take very little time to execute, even with multiple simultaneous users. Load testing here would definitely help though. If I read the question correctly, this w...
Does a finally block run even if you throw a new Exception?
...it would in any other code). A very common case where this happens is java.sql.Connection.close().
As an aside, I am guessing that the code sample you have used is merely an example, but be careful of putting actual logic inside a finally block. The finally block is intended for resource clean-up (...