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How to remove unused imports from Eclipse

...rences → Java → Editor → Save Actions. Check the option "Perform the selected actions on save". Check the option "Organize imports". Now every time you save your classes, eclipse will take care of removing the unused imports. ...
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How to delete files older than X hours

... For SunOS 5.10 Example 6 Selecting a File Using 24-hour Mode The descriptions of -atime, -ctime, and -mtime use the ter- minology n ``24-hour periods''. For example, a file accessed at 23:59 is selected by: example% find . -atime -1 -print...
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How do I make a composite key with SQL Server Management Studio?

... In design mode (right click table select modify) highlight both columns right click and choose set primary key share | improve this answer | ...
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Wrapping chained method calls on a separate line in Eclipse for Java

...ormatter → Edit → Line wrapping (tab) Then, in the list at the left, select: Function Calls → Qualified invocations Now below this list, set Line wrapping policy to: Wrap all elements, except first element if not necessary Check: Force split, even if line shorter than maximu...
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Error: This Android SDK requires Android Developer Toolkit version 22.6.1 or above

...ow it will list the available updates, which should ideally be adt 20.x.x Select the list items Let it be installed. Eclipse will restart and Its done. I hope this will helpful for you :) share | ...
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File Upload ASP.NET MVC 3.0

...esult Index(HttpPostedFileBase file) { // Verify that the user selected a file if (file != null && file.ContentLength > 0) { // extract only the filename var fileName = Path.GetFileName(file.FileName); // store the file insi...
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System.IO.Packaging

...4.0: In your project's Solution Explorer, right-click on References and select Add References from the context menu. Select Assemblies in the left-hand pane, then click the Browse button next to the File name field near the botton of the pane. Browse to .NET 4.0 reference assemblies and select Wi...
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Where is the warnings screen option in Android Studio?

...bar, you click Analyze -> Inspect Code; then in the window that pops up select how much of your project you want to inspect (I usually do Whole Project, but you might want to select a specific module), then click okay. Android Studio will work for a bit, then the inspection window will pop up f...
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Where are shared preferences stored?

...nal database to store it. To see it go to, 1) Go to View in the menu bar. Select Tool Windows. 2) Click on Device File Explorer. 3) Device File Explorer opens up in the right hand side. 4) Find the data folder and click on it. 5) In the data folder, you can select another data folder. 6) Try t...
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Missing styles. Is the correct theme chosen for this layout?

...nc all my Gradle files. After that I restart Android Studio, and I go to: Select Theme -> Project Themes -> AppTheme share | improve this answer | follow ...