大约有 3,100 项符合查询结果(耗时:0.0101秒) [XML]

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Log all queries in mysql

...ediumtext NOT NULL, `thread_id` bigint(21) unsigned NOT NULL ) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log' CREATE TABLE `general_log` ( `event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, `user_host` mediumtext NOT NU...
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理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...语句提供了一种非常方便的处理方式。一个很好的例子是文件处理,你需要获取一个文件句柄,从文件中读取数据,然后关闭文件句柄。 Without the with statement, one would write something along the lines of: 如果不用with语句,代码如下: f...
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UCenter实现各系统通信的原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...nter实现各系统通信的原理 1、用户登录bbs,通过logging.php文件中,使用函数uc_user_login验证,如果验证成功,将调用函数uc_user_synlogin(位于uc_client下的client.php文件中), 在这个函数中调用 uc_api_post('user', 'synlogin', array('uid'=>$uid));...
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Reading an Excel file in PHP [closed]

...l file. If you want to import it into mysql, you could simply save it as a CSV formatted file and then use fgetcsv to parse it. share | improve this answer | follow ...
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For each row in an R dataframe

...nction is vectorized, then you can skip the loop and just use cat or write.csv: write.csv(data.frame(wellid=getWellID(well$name, well$plate), value1=well$value1, value2=well$value2), file=outputFile) If getWellID() isn't vectorized, then Jonathan's recommendation of using by or knguyen'...
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OpenSSH升级后不能登录的问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...后,使用客户端怎么都登录不上去 一开始以为是配置文件的问题,把另外一台没升级过的配置文件sshd_config拷贝到本机,不行 寄出百度 http://bbs.51cto.com/thread-1098820-1.html 按照这个说法 修改配置文件后,发现还是不行...
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Importing data from a JSON file into R

...y(httr) library(jsonlite) I have had issues converting json to dataframe/csv. For my case I did: Token <- "245432532532" source <- "http://......." header_type <- "applcation/json" full_token <- paste0("Bearer ", Token) response <- GET(n_source, add_headers(Authorization = full_tok...
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UnicodeDecodeError: 'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128)

...tring. So just replace .encode with .decode, and it should work (if your .csv is UTF-8-encoded). Nothing to be ashamed of, though. I bet 3 in 5 programmers had trouble at first understanding this, if not more ;) Update: If your input data is not UTF-8 encoded, then you have to .decode() with the ...
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Getting LaTeX into R Plots

...re(graphics) require(tikzDevice) setwd("~/DataFolder/") Lab5p9 <- read.csv (file="~/DataFolder/Lab5part9.csv", comment.char="#") AR <- subset(Lab5p9,Region == "Forward.Active") # make sure the data names aren't already in latex format, it interferes with the ggplot ~ # tikzDecice combo col...
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支撑Github的开源技术 - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...点开以后会显示项目中的编程语言比例。linguist主要通过文件的后缀来识别,对于一些通用的扩展名,例如.m文件,linguist通过一些语言的特征片段来做判断。由于编程语言很多,linguist还不能覆盖所有语言的检测。 jquery-pjax ...