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How to convert JSON to XML or XML to JSON?
... doesn't need to perfectly conform to W3C standard, but 1. you must have a root element and 2. you cannot start element names with numbers are two of the enforced XML standards I have found when using Newtonsoft and MS libraries.
In older versions, Blank elements do not convert to JSON. They are ign...
AppInventor2 .keystore 证书文件 - App版本升级的奥秘 · App Inventor 2 中文网
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提问：我每次想更新软件的时候，签名不一样还要卸载重装，这样每次更新微数据库里的东西都没了，可以...
SecurityException: Permission denied (missing INTERNET permission?)
...things are getting more tricky if you also do not mind your app running on rooted devices too. There're tools available in Google Play your users can install to control permission granted to installed apps at run-time - for example: Permissions Denied and others. This can also be done with CyanogenM...
Importing files from different folder
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If you run it from your root folder (ie. application folder), you are probably fine with sys.path.append('.') then importing the module by using from app2.some_folder.some_file import your_function. Alternatively what works for me is running python...
Spring Boot - Cannot determine embedded database driver class for database type NONE
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spring.datasource.url = jdbc:mysql://localhost/abc #spring.datasource.driverClassName = com.mysql.jdbc.Driver spring.datasource.name=olabsenglishdb spring.datasource.username=xxxx spring.datasource.password=xxxx spring.datasource.driver-class-name= com.m...
Open a new tab in gnome-terminal using command line [closed]
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#!/bin/sh
WID=$(xprop -root | grep "_NET_ACTIVE_WINDOW(WINDOW)"| awk '{print $5}')
xdotool windowfocus $WID
xdotool key ctrl+shift+t
wmctrl -i -a $WID
This will auto determine the corresponding terminal and opens the tab accordingly.
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JPA: unidirectional many-to-one and cascading delete
...solution to why delete was not working. apparently hibernate was NOT using mysql Engine -INNODB , you need engine INNODB for mysql to generate foreign key constraint. Using the following properties in application.properties, makes spring boot/hibernate to use mysql engine INNODB. So foreign key co...
What are the use cases of Graph-based Databases (http://neo4j.org/)? [closed]
... team actually rewrote the database layer to use Oracle (or PostgreSQL, or MySQL), but it was slightly slower than the original. At least one large enterprise even had an Oracle-only policy, but luckily Oracle bought Berkeley DB. We also had to write a lot of extra tools - we couldn't just use Cryst...
ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
I have created tables in MySQL Workbench as shown below :
21 Answers
21
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How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
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In MySQL if You don't want to change the collation and want to perform case sensitive search then just use binary keyword like this:
SELECT * FROM table_name WHERE binary username=@search_parameter and binary password=@search_p...