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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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涉及技术
在我们的实例里面用到了：
Mongo DB数据库保存数据 (NoSQL, Document Store，跨平台，跨语言)
Web API提供数据服务
MVC作数据展示
Knockoutjs动态绑定客户端数据，这里有一个简单的介绍
服务URI Pattern
Action Http verb URI Get ...
How can I get around MySQL Errcode 13 with SELECT INTO OUTFILE?
I am trying to dump the contents of a table to a csv file using a MySQL SELECT INTO OUTFILE statement. If I do:
13 Answers...
Difference between BeautifulSoup and Scrapy crawler?
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Feed exports: It basically allows us to save data in various formats like CSV,JSON,jsonlines and XML.
Asynchronous scraping: Scrapy uses twisted framework which gives us power to visit multiple urls at once where each request is processed in non blocking way(Basically we don't have to wait for a r...
JavaScript curry: what are the practical applications?
...th all the same values but one. To steal John's example:
String.prototype.csv = String.prototype.split.partial(/,\s*/);
var results = "John, Resig, Boston".csv();
alert( (results[1] == "Resig") + " The text values were split properly" );
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How do I declare a global variable in VBA?
...value each time.
See example (function to save attachements of an email as CSV).
Public Numerator As Integer
Public Sub saveAttachtoDisk(itm As Outlook.MailItem)
Dim objAtt As Outlook.Attachment
Dim saveFolder As String
Dim FileName As String
saveFolder = "c:\temp\"
For Each objAtt In itm.A...
insert multiple rows via a php array into mysql
...ays use mysql's LOAD DATA:
LOAD DATA LOCAL INFILE '/full/path/to/file/foo.csv' INTO TABLE `footable` FIELDS TERMINATED BY ',' LINES TERMINATED BY '\r\n'
to do bulk inserts rather than using a bunch of INSERT statements.
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...，否则升级后坏死，得重装。升级采用自己下载Combo升级文件（如MacOSXUpdCombo10.6.7.dmg）；（4）升级完成，再用darwin_snow_legacy.iso已无法引导系统，换成Rebel EFI.iso。至此大概完成Mac OSX系统的安装。下面是要用到的各种文件，此处不...
How can I detect the encoding/codepage of a text file
In our application, we receive text files ( .txt , .csv , etc.) from diverse sources. When reading, these files sometimes contain garbage, because the files where created in a different/unknown codepage.
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How can I strip the whitespace from Pandas DataFrame headers?
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If you use CSV format to export from Excel and read as Pandas DataFrame, you can specify:
skipinitialspace=True
when calling pd.read_csv.
From the documentation:
skipinitialspace : bool, default False
Skip spaces after delimite...
Split delimited strings in a column and insert as new rows [duplicate]
... R. It assumes we're starting with a data.frame named "mydf". It uses read.csv to read in the second column as a separate data.frame, which we combine with the first column from your source data. Finally, you use reshape to convert the data into a long form.
temp <- data.frame(Ind = mydf$V1,
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