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App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...】TaifunImage 拓展：图片压缩剪裁处理
【图像】SimpleBase64 拓展：图像Base64编解码传输
【图像】KIO4_Base64 拓展：更强大的图像Base64编解码工具，解码后的图像可写入到文件
【图像】KIO4_AnimatedGif：Gif 动画扩展，可点击，可设置...
Is gcc std::unordered_map implementation slow? If so - why?
...ode will rehash.
#define SIZE 10000000
#define DEPTH 3
std::vector<uint64_t> vec(SIZE);
boost::mt19937 rng;
boost::uniform_int<uint64_t> dist(std::numeric_limits<uint64_t>::min(),
std::numeric_limits<uint64_t>::max());
std::unordered_map<...
How do I properly clean up Excel interop objects?
...ots" is not sufficient to prevent a problem: stackoverflow.com/questions/4964663/…
– Mike Rosenblum
Feb 13 '11 at 17:22
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MySQL Server has gone away when importing large sql file
...f file. On Debian: sudo nano
/etc/mysql/my.cnf, set max_allowed_packet = 64M (you can
tweak/decrease this value when error 2006 is gone), then sudo
/etc/init.d/mysql restart.
Edit:
Notice that MySQL option files do not have their commands already available as comments (like in php.ini fo...
Copying text with color from Notepad++
...
update As of 2019 NppExport is not included by default in the Notepad++ 64 bits version (github issue). You can download the 64 bits version of NppExport here: [github]
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Hash and salt passwords in C#
...must convert a hash to its string representation you can use Convert.ToBase64String and Convert.FromBase64String to convert it back.
You should note that you cannot use the equality operator on byte arrays, it checks references and so you should simply loop through both arrays checking each byte th...
How to set the authorization header using curl
... If you use -u or --user, Curl will Encode the credentials into Base64 and produce a header like this: -H Authorization: Basic <Base64EncodedCredentials>
– Timothy Kanski
Dec 22 '16 at 19:20
...
How to check for DLL dependency?
...am Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.14.26428\bin\Hostx64\x64>dumpbin
– rkachach
Sep 27 '18 at 9:48
2
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Terminal Multiplexer for Microsoft Windows - Installers for GNU Screen or tmux [closed]
... This! Get Msys2 which is a Cygwin fork with support for MinGW-w64 and other windows stuff. I use Zshell with Powerlevel10k and it is fast as can be, very pretty and works just as well with tmux.
– Jose V
Jan 8 at 14:40
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How to debug Lock wait timeout exceeded on MySQL?
...4, 8 row lock(s), undo log entries 1
MySQL thread id 3686635, query id 124164167 10.64.89.145 viget updating
DELETE FROM file WHERE file_id in ('6dbafa39-7f00-0001-51f2-412a450be5cc' )
Foreign key constraint fails for table `backoffice`.`attachment`:
,
CONSTRAINT `attachment_ibfk_2` FOREIGN KEY (`...