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“AppInventor学院”App国内各大市场上架之旅 - App应用开发 - 清泛IT社区...
1、华为：https://developer.huawei.com/con ... ml#/auditReportView
2、腾讯应用宝：https://app.open.qq.com/p/developer/team_manage/info
3、小米（同步oppo，vivo，荣耀）：https://dev.mi.com/xiaomihyperos/console/developer/account
只要apk不报病毒，通过腾讯管家...
PHP “pretty print” json_encode [duplicate]
I'm working on a script that creates a JSON file. Right now I'm just using json_encode (PHP 5.2.x) to encode an array into JSON output. Then I print the returned value to a file and save it. Problem is that the client wants to be able to open these JSON files for readability, so I'd like to add li...
Abusing the algebra of algebraic data types - why does this work?
The 'algebraic' expression for algebraic data types looks very suggestive to someone with a background in mathematics. Let me try to explain what I mean.
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Set value to NULL in MySQL
I want a value to be set to NULL if nothing is put into the text box in the form I'm submitting. How can I make this happen?
I've tried inserting 'NULL' but this just adds the word NULL into the field.
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Removing first x characters from string?
How might one remove the first x characters from a string? For example, if one had a string lipsum , how would they remove the first 3 characters and get a result of sum ?
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...
...，这个方法不能恢复你的数据。my.ini的设置为 innodb_file_per_table = 1。
参考 http://blog.chinaunix.net/uid-24111901-id-2627876.html
1、找回表结构，如果表结构没有丢失直接到下一步
a、先创建一个数据库，这个数据库必须是没有表和任何...
How to read a large file - line by line?
...
The correct, fully Pythonic way to read a file is the following:
with open(...) as f:
for line in f:
# Do something with 'line'
The with statement handles opening and closing the file, including if an exception is raised in the i...
Undo scaffolding in Rails
... already run the migrations generated by the scaffold command, you have to perform a rollback first.
rake db:rollback
You can create scaffolding using:
rails generate scaffold MyFoo
(or similar), and you can destroy/undo it using
rails destroy scaffold MyFoo
That will delete all the files...
Remove plot axis values
...f there is a way to get rid of axis values, either the x-axis or y-axis respectively, in an r-plot graph.
5 Answers
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How to copy files across computers using SSH and MAC OS X Terminal [closed]
I'm trying to copy my .profile, .rvm and .ssh folders/files to a new computer and keep getting a "not a regular file" response. I know how to use the cp and ssh commands but I'm not sure how to use them in order to transfer files from one computer to another.
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