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Difference between VARCHAR and TEXT in MySQL [duplicate]
...ytes used toward the max row size, so if you use a multibyte encoding like utf8mb4 (which you almost certainly should) it will use up even more of your maximum row size.
Correction: Regardless of how MySQL computes the max row size, whether or not the VARCHAR/TEXT field data is ACTUALLY stored in...
How to get the number of characters in a std::string?
...
return codepointCount;
}
void printStringInfo(const std::string& utf8)
{
UErrorCode status = U_ZERO_ERROR;
PUText text(utext_openUTF8(nullptr, utf8.data(), utf8.length(), &status));
checkStatus(status);
std::cout << "UTF-8 string (might look wrong if your console...
Unicode character in PHP string
...
Try Portable UTF-8:
$str = utf8_chr( 0x1000 );
$str = utf8_chr( '\u1000' );
$str = utf8_chr( 4096 );
All work exactly the same way. You can get the codepoint of a character with utf8_ord(). Read more about Portable UTF-8.
...
Get encoding of a file in Windows
...ascii when no BOM is present (like most text editors, the default would be UTF8 if you want to match the HTTP/web ecosystem).
Update 2018: I no longer recommend this method. I recommend using file.exe from GIT or *nix tools as recommended by @Sybren, and I show how to do that via PowerShell in a l...
MySQL Error 1215: Cannot add foreign key constraint
...e character set is different. I hade this problem where one column had the utf8 character set while the other had latin1. Easily fixed with ALTER TABLE Table CHARACTER SET = utf8 ; and ALTER TABLE Device CHANGE COLUMN ID ID CHAR(36) CHARACTER SET 'utf8' NOT NULL;
– www.jensolss...
(grep) Regex to match non-ASCII characters?
..., not standard grep. [^[:print:]] won't work if your terminal is set up in UTF8.
– Rory
Jan 24 '10 at 12:24
@Rory, why...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
SHFileOperation函数总结（文件夹的移动、复制、删除）函数原型：SHFileOperation函数功能描述:文件操作，与 Shell 的动作相同。函数原型：#include<shellapi.h>WINSHELLAPI int WINAPI SHF...
SHFileOperation
函数功能描述:文件操作，与 Shell 的动作相...
How to get the size of a string in Python?
...t would affect the answer, but probably most useful would be len(s.encode('utf8')) or whatever other encoding is going to be used when writing to the file. Also, if they also want a terminating null then they'll need to add 1 for that.
– Duncan
Jul 31 '18 at 8:...
Why charset names are not constants?
... on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use Charset.UTF8 ?
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解决：CStatic控件单击STN_CLICKED消息没反应 - C/C++ - 清泛网 - 专注C/C++及内核技术
...IFY风格)，将其改成TRUE就OK了，默认的属性为FASLE，即静态文本控件在默认情况下是不发送通告消息的...修改CStatic控件的Notify属性(即SS_NOTIFY风格)，将其改成TRUE就OK了，默认的属性为FASLE，即静态文本控件在默认情况下是不发送通...