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Regular expression to match non-ASCII characters?
...t is so backwards in this regard.
(He wrote a book for O'Reilly about the topic so it's quite possible that he knows what he's talking about.)
The way he implemented it is by adding tables of characters with certain properties. Then, when you contruct a regex with his library, \p{charclass} gets r...
What is a plain English explanation of “Big O” notation?
...git in the bottom number and multiply it in turn against each digit in the top number and so on through each digit. So to multiply our two 6 digit numbers we must do 36 multiplications. We may need to do as many as 10 or 11 column adds to get the end result too.
If we have two 100-digit numbers we n...
What are the differences between virtual memory and physical memory?
... the needed part of a program is resident in memory, typically - this is a topic called "paging". Virtual memory and paging are tightly related, but not the same topic. There are other implementations of virtual memory, such as segmentation.
I could be assuming wrong here, but I'd bet the things yo...
How do I prevent site scraping? [closed]
...well as bits of information and ideas from around the interwebs.
How to stop scraping
You can't completely prevent it, since whatever you do, determined scrapers can still figure out how to scrape. However, you can stop a lot of scraping by doing a few things:
Monitor your logs & traffic pat...
Is CSS Turing complete?
... margin-bottom: 0.5em;
}
body > input:nth-of-type(-n+30) { border-top: 1px solid #ddd; }
body > input:nth-of-type(30n+1) { border-left: 1px solid #ddd; clear: left; }
body > input::before { content: "0"; }
body > input:checked::before { content: "1"; }
body > input:check...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...s of cell - fixed and non-fixed. Fixed cells are typically on the left and top of the grid and do not move when the grid is scrolled. Typically these contain column and row headings and are not editable. Non fixed cells make up the "interior" of the grid and can be edited and selected.
Default valu...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...s of cell - fixed and non-fixed. Fixed cells are typically on the left and top of the grid and do not move when the grid is scrolled. Typically these contain column and row headings and are not editable. Non fixed cells make up the "interior" of the grid and can be edited and selected.
Default valu...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...s of cell - fixed and non-fixed. Fixed cells are typically on the left and top of the grid and do not move when the grid is scrolled. Typically these contain column and row headings and are not editable. Non fixed cells make up the "interior" of the grid and can be edited and selected.
Default valu...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...s of cell - fixed and non-fixed. Fixed cells are typically on the left and top of the grid and do not move when the grid is scrolled. Typically these contain column and row headings and are not editable. Non fixed cells make up the "interior" of the grid and can be edited and selected.
Default valu...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...s of cell - fixed and non-fixed. Fixed cells are typically on the left and top of the grid and do not move when the grid is scrolled. Typically these contain column and row headings and are not editable. Non fixed cells make up the "interior" of the grid and can be edited and selected.
Default valu...
