hitman 2 silent assassin--tor--random-agent--level=5--risk=3--tamper...
...NULL,NULL,NULL,NULL,NULL,NULL,NULL,CONCAT(0x717a6a7171
net - Does null == null? - Stack Overflow
Yes. null is nothing but internal Pointer with value zero. So it is comparing two references having value zero. In fact object.ReferenceEquals(null, null) is
sql injection "union select null" - CodeProject
Union select null, null, null, null, null, null, null from information_schema.tables. for a small database containing three tables. this instruction is used in sql injection I tried it and it worked but I didn't really know how it works can somebody help me...
Nullable Types and Null Coalescing Operator in C# - DZone Web Dev
Null-collation(??) is an important operator in C#. As per the MSDN definition: The ?? operator is called the null-coalescing operator and is used to define a default value for nullable value types or reference types. It returns the left-hand operand if the operand is not null; otherwise, it returns the right operand.
Работа с NULL-значениями « Язык запросов SQL
Тем не менее, NULL, как NULL-значение, часто используется в SQL. Предположим, появился покупатель, которому еще не назначен продавец. Чтобы констатировать этот факт, нужно ввести значение NULL в поле snum, а реальное значение включить туда позже, когда данному...
C# 6 features – Null-conditional (?. and ?[]) and null-coalescing...
Let’s start with null-conditional operator – it’s ?.. It’s also called ‘elvis-operator’. Not sure why? Have a closer look – you will see a pair of eyes with elivs like haircut. The operator lets you access members and elements only when the receiver is not-null, returning null result otherwise.
MySQL for Beginners 006: Null Values and Not Null - YouTube
MySQL allows columns to take "null" (not specified) values by default, so we'd better take a look ...
SQL NULL Values - IS NULL and IS NOT NULL
Note: A NULL value is different from a zero value or a field that contains spaces. A field with a NULL value is one that has been left blank during record creation!
NULL (SQL) — Википедия
NULL в Системах управления базами данных (СУБД) — специальное значение (псевдозначение), которое может быть записано в поле таблицы базы данных (БД). NULL соответствует понятию «пустое поле», то есть «поле, не содержащее никакого значения».
Null character - Wikipedia
The null character (also null terminator or null byte) is a control character with the value zero. It is present in many character sets, including ISO/IEC 646 (or ASCII), the C0 control code, the Universal Coded Character Set (or Unicode), and EBCDIC.