In many null-pointer exceptions, the true bug occurs where the variable is actually assigned to null.
在许多空指针异常中，真正的错误出现在变量被赋为空值的地方。
Null-pointer exceptions will never be completely eradicated.
空指针异常将决不会被完全根除。
That vector is called a "null vector".
那种矢量就叫做”零矢量“。
If the XML parser sees a null character in its input, it throws an exception and stops processing.
如果XML 分析程序在其输入中看到一个空字符，它就会发出异常并停止处理。
因此，它是空的。
We added the NOT NULL flag to indicate that the fields must not be null.
我们添加了NOTNULL标志来指示字段必须不能为空。
Make sure you are not accessing null pointer.
确保您不是在访问空指针。
Constraints Supports, primary, foreign, unique, not null constraint.
约束支持主键、外键、惟一和非空约束。
Null and default value Compression (V8 GA) : Compression for null, zero length data in variable length columns and system default value.
null值和缺省值压缩(V 8GA)：对变长列中的零长度空数据和系统缺省值进行压缩。
This expression also removes all null characters and excess whitespace.
此表达式也会删除所有空字符和过量的空白。
Always be prepared for null namespaces on qualified names.
始终准备好处理限定名称上的空名称空间。
Always make sure that you are not accessing null Pointers.
始终要确保您不是在访问空指针。
Accessing the null pointer is very dangerous, as it might crash your program.
访问空指针是非常危险的，因为它可能使您的程序崩溃。
Step 3: Generate a null accessor.
第3步：生成一个空访问器。
Nullable types and null coalescing operator
可置空类型和空合并运算符
In addition, avoid returning objects that are null or in an invalid state.
此外，避免返回空对象或者状态无效的对象。
A section delimiter: 0x00 (the null byte).
节定界符：0x00(空字节)。
Substituting for null or unset variables.
替换空变量或未设置的变量。
Any variables that are not mandatory can be null.
任何非必需的变量都可以为空。
If no match is found, return null to the client application.
如果没有发现匹配，就向客户端应用程序返回空值。
Enter a space if you want a value to be null.
如果您想要一个值为空，可以输入一个空格。
You can also test with a null parameter to see what happens.
您也可以使用一个空值参数来测试，看结果是什么。
Finally, say goodbye to the dull, everyday drudgery of null reference exceptions.
最后，告别那些处理空引用异常的枯燥差事吧。
It is ideal for use as a null detector for lowimpedance bridge balancing.
对于低阻抗电桥平衡而言，它是一种十分理想的零位探测器。
Beam pattern null in the direction of the jamming is formed by a space filtering and assisted receive channels to suppress the jamming.
它是采用空间滤波技术，通过辅助通道在干扰方向上形成波束图的零点来实现对干扰信号的抑制。
Beam pattern null in the direction of jamming is formed by space filtering and assisted receive channels to suppress the jamming.
它采用空间滤波技术，通过辅助接收通道在干扰方向形成波束图的零点，实现对干扰信号的抑制。
If the object argument is null, you need to generate a null accessor for the type.
如果对象参数为空，您需要为这个类型生成一个空访问器。
If the column is defined as null capable, then you must update the null indicator map accordingly.
如果列被定义为支持空值，那么您必须相应更新空指示符映射。
That means a reference type can have a null pointer, but a value type cannot have a null value.
这意味着引用类型可能有空指针，但是数值类型不能有空值。
That means a reference type can have a null pointer, but a value type cannot have a null value.
这意味着引用类型可能有空指针，但是数值类型不能有空值。
应用推荐