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How do I update an entity using spring-data-jpa?
...nce API explicitly: you call insert to insert an object, or update to save new state of the object to the database.
Unit of Work approach. In this case you have a set of objects managed by persistence library. All changes you make to these objects will be flushed to the database automatically at the...
How to make a phone call using intent in Android?
...ference compared with ACTION_CALL intent :)
– maxwellnewage
Apr 14 at 14:06
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Does MongoDB's $in clause guarantee order
...plaining these aggregation operators used -
The "$addFields" stage is new in 3.4 and it allows you to "$project" new fields to existing documents without knowing all the other existing fields. The new "$indexOfArray" expression returns position of particular element in a given array.
Basica...
Parsing JSON array into java.util.List with Gson
...TypeToken;
JsonElement yourJson = mapping.get("servers");
Type listType = new TypeToken<List<String>>() {}.getType();
List<String> yourList = new Gson().fromJson(yourJson, listType);
In your case yourJson is a JsonElement, but it could also be a String, any Reader or a JsonRead...
ObservableCollection not noticing when Item in it changes (even with INotifyPropertyChanged)
...t; }
}
public CollectionViewModel()
{
_contentList = new ObservableCollection<EntityViewModel>();
_contentList.CollectionChanged += ContentCollectionChanged;
}
public void ContentCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
...
How to run Selenium WebDriver test cases in Chrome?
...ty("webdriver.chrome.driver", "/path/to/chromedriver");
WebDriver driver = new ChromeDriver();
This was extracted from the most useful guide from the ChromeDriver Documentation.
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How to import existing Git repository into another?
...) <your foldername>/ This will copy all files and folders into your new folder
– serup
Jan 29 '16 at 13:17
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Search text in fields in every table of a MySQL database
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Set $mysqli like this: $mysqli = new mysqli('localhost', 'root', 'hunter2', 'my_database');
– Adam Taylor
May 8 at 19:32
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...nn);
}
fclose($socket);
}
}
new SocketServer(2000);
2、使用 select/poll 的同步模型：属于同步非阻塞 IO 模型，代码如下：
<?php
/**
* SelectSocketServer Class
* By James.Huang <shagoo#gmail.com>
**/
set_time_limit(0)...
What is the Swift equivalent of -[NSObject description]?
In Objective-C, one can add a description method to their class to aid in debugging:
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