A quick understanding of 1, what is byte alignment? in C, a struct is a composite data type whose constituent elements can be variables of a basic data type (such as int, long, float, and so on) or a data unit of some composite data types
Reprint Please keep the following statementZhaozongSource: https://www.cnblogs.com/zhao-zongsheng/p/9099603.htmlMany people who write C + + know the concept of "memory alignment" and the rules, but don't necessarily have a deep understanding of it.
1. Intro
In a structure, the compiler allocates space for each member of the struct according to its own natural bounds (alignment) condition. Each member is stored sequentially in memory in the order in which they are declared, with the address of
First, download the latest Phpexcel class on the Phpexcel Web site, unzip a classes folder next week, Contains the phpexcel.php and Phpexcel folders, this class of files and folders is what we need to extract the classes into a directory of your
Alignment Criteria
Let's take a look at four important basic concepts:
1 The alignment value of the data type itself: char data has its own alignment value of 1 bytes, the short data is 2 bytes, the int/float type is 4 bytes, and the double is 8
Data Alignment
About the data alignment problem, now more or less have some contact, simply say their views.
1, the alignment of the background
Big and small end problems need to be introduced here, each address cell in the computer corresponds
There are a number of ways to implement the bottom alignment of a horizontal list:1, with Inline-block+vertical-align2, with Table-cell+vetical-align3, using the Flex methodIn addition, deformation and absolute positioning can be used, but it is too
Today, I want to filter an excel file with strikethrough and find the method: ctrl + F3 to create a macro interface and enter a name, for example, CheckDeleteLine. The content is = GET. CELL (23, $ A1) $ A1 is replaced with the CELL to be checked.
Turn from: http://www.cnblogs.com/longlybits/articles/2385343.html (with changes)Memory alignmentwhen using the sizeof operator to find the space occupied by a struct, it is not simple to add up the space of all the elements in the struct, which
7.4.1 GrammarThe list of specific definitions for the Vertical-align property is as follows:Syntax: Vertical-align:baseline | Sub | Super | Top | Text-top | Middle | Bottom | Text-bottom | | | InheritDescription: Set the vertical alignment of
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