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Why is it important to override GetHashCode when Equals method is overridden?

...yeah, looks like I left them out when I copy-pasted the code from a region selection in Visual Studio. I also thought people would figure it out both. – Trap Apr 13 '12 at 12:11 3 ...
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How can I change IIS Express port for a site

... In Solution Explorer, right-click the name of the application and then select Properties. Click the Web tab. In the Servers section, under Use Local IIS Web server, in the Project URL box change the port number. To the right of the Project URL box, click Create Virtual Directory, and then ...
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术

... 2 3 import org.eclipse.swt.SWT; 4 import org.eclipse.swt.events.SelectionAdapter; 5 import org.eclipse.swt.events.SelectionEvent; 6 import org.eclipse.swt.widgets.Button; 7 import org.eclipse.swt.widgets.Dialog; 8 import org.eclipse.swt.widgets.Display; 9 import org.ec...
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Is there a way to automatically generate getters and setters in Eclipse?

...nu (i.e. right click) in the source code window of the desired class. Then select the Source submenu; from that menu selecting Generate Getters and Setters... will cause a wizard window to appear. Source -> Generate Getters and Setters... Select the variables you wish to create getters and sett...
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Retain precision with double in Java

... Types, Formats, and Values of the Java Language Specification. The byte, char, int, long types are fixed-point numbers, which are exact representions of numbers. Unlike fixed point numbers, floating point numbers will some times (safe to assume "most of the time") not be able to return an exact re...
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Get table column names in MySQL?

...DESCRIBE my_table; Or in newer versions you can use INFORMATION_SCHEMA: SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = 'my_database' AND TABLE_NAME = 'my_table'; Or you can use SHOW COLUMNS: SHOW COLUMNS FROM my_table; ...
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Spring Boot JPA - configuring auto reconnect

...1.3 spring.datasource.testOnBorrow=true spring.datasource.validationQuery=SELECT 1 As djxak noted in the comment, 1.4+ defines specific namespaces for the four connections pools Spring Boot supports: tomcat, hikari, dbcp, dbcp2 (dbcp is deprecated as of 1.5). You need to check which connection po...
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Entity Framework and SQL Server View

...mn as a primary key, use NULLIF. An easy way to apply this is to wrap the select statement of your view in another select. Example: SELECT ISNULL(MyPrimaryID,-999) MyPrimaryID, NULLIF(AnotherProperty,'') AnotherProperty FROM ( ... ) AS temp ...
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[ :Unexpected operator in shell programming [duplicate]

...gh omitted whitespace around the brackets hardly compensate for the single character saved. ("if [ $x = 5 ]" vs "if test $x = 5"; 13 chars vs 14). – William Pursell Aug 8 '10 at 3:17 ...
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How can I pass a Bitmap object from one activity to another

...Intent(context, AudioService::class.java).apply { action = CONTENT_SELECTED_ACTION putExtra(CONTENT_SELECTED_BITMAP_KEY, contentPlayer.image) }) 3. Convert ByteArray back to Bitmap. Utils.kt fun ByteArray.byteArrayToBitmap(context: Context) = run { BitmapFactory.d...