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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 爬虫/数据库 - 清...
...什么了,这个模式也不是说改了数据库就可以在生产环境使用。更改 innodb_force_recovery=1 , 如果不成修改为 2,3,4,5,6。直到可以 查询出数据为止,然后dump出来。数据就备份出来了。 h、把所有数据导出后,在新的数据库导入。所...
程序员用数据思维教你如何追女生 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...们加班习惯了,谁先困谁是孙子。
7、记不住没关系,要使用配置管理
第一次牵手,第一次旅行,恋爱纪念日·····你还记得是哪一天么?
很多关键性的活动我们总是记不住,但是我们程序员有一招叫“配置管理”,我们通...
Map vs Object in JavaScript
...aking it easy to access elements. You also have direct support for it with JSON. When used as a hash it's annoying to get an object without any properties at all. By default if you want to use Objects as a hash table they will be polluted and you will often have to call hasOwnProperty on them when a...
在线服务的黑天鹅 - 资讯 - 清泛网 - 专注C/C++及内核技术
...9%,服务中断时间:5.256分钟/年
当一个系统有大量用户使用之后,对系统可用性有较高要求,互联网服务通常会把可用性目标定在99.99%及以上,但极少能达到99.999%的。Tim有一个服务由于功能简单且稳定,较少需要变更代码,...
Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...什么了,这个模式也不是说改了数据库就可以在生产环境使用。更改 innodb_force_recovery=1 , 如果不成修改为 2,3,4,5,6。直到可以 查询出数据为止,然后dump出来。数据就备份出来了。 h、把所有数据导出后,在新的数据库导入。所...
Python Requests and persistent sessions
...kies saved for future requests.
r2 = s.get('https://localhost/profile_data.json', ...)
#cookies sent automatically!
#do whatever, s will keep your cookies intact :)
For more about sessions: https://requests.kennethreitz.org/en/master/user/advanced/#session-objects
...
How to pass parameters in $ajax POST?
...on(){
console.log("error");
});
Additionally, if you always send a JSON string, you can use $.getJSON or $.post with one more parameter at the very end.
$.post('superman', { field1: "hello", field2 : "hello2"},
function(returnedData){
console.log(returnedData);
}, 'json');
...
Why should I use document based database instead of relational database?
...from their website)
A document database server, accessible via a RESTful JSON API. Generally, relational databases aren't simply accessed via REST services, but require a much more complex SQL API. Often these API's (JDBC, ODBC, etc.) are quite complex. REST is quite simple.
Ad-hoc and schema-...
AI伴侣现已正式升级为“AppInventor学院”App! - App Inventor 2 中文网 -...
...时间,可能你们也有所疑问是否构成侵权,关于MIT Logo的使用问题,其实我们之前也只是尝试申请国内的商标,没想到还真的已经申请下来了,但即使如此,我们仍然决定启用我们自己独特的VI标识,因为我们着眼于更长远的发...
Invoke-WebRequest, POST with parameters
...some picky web services, the request needs to have the content type set to JSON and the body to be a JSON string. For example:
Invoke-WebRequest -UseBasicParsing http://example.com/service -ContentType "application/json" -Method POST -Body "{ 'ItemID':3661515, 'Name':'test'}"
or the equivalent fo...