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How do I auto-submit an upload form when a file is selected?

...le upload form. How do I make it submit automatically when a file has been selected? I don't want the user to have to click the Submit button. ...
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The import android.support cannot be resolved

...Libraries tab. There click the Add External JARs Button on the Right pane. Select the android-support-v4.jar file, usually the path for the Jar file is : YOUR_DRIVE\android-sdks\extras\android\support\v4\android-support-v4.jar After adding android-support-v4.jar Library, navigate to the Order and E...
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How can I select an element with multiple classes in jQuery?

I want to select all the elements that have the two classes a and b . 13 Answers 13...
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How to automatically install Emacs packages by specifying a list of package names?

...nsure keyword to install packages automatically. This also sets up package-selected-packages if you need to access the package list through customize or programatically. – Nick McCurdy Apr 21 '17 at 22:16 ...
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LAST_INSERT_ID() MySQL

...RT INTO table2 (parentid,otherid,userid) VALUES (LAST_INSERT_ID(), 4, 1); SELECT MAX(id) FROM table1; share | improve this answer | follow | ...
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configure: error: C compiler cannot create executables

...'ve installed Xcode 4.3.x, you need to launch it, go into its preferences, select the Downloads tab, and click "Install" next to the Command Line Tools package. share | improve this answer ...
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Using Chrome's Element Inspector in Print Preview Mode?

...versions). Check the Emulate print media checkbox at the Rendering tab and select the Print media type. Chrome v48+ (Thanks Alex for noticing): Open the Developer Tools (CTRLSHIFTI or F12) Click the Toggle device mode button in the left top corner (CTRLSHIFTM). Make sure the console is shown by c...
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What is the difference between a stored procedure and a view?

...iece of SQL, I would define a view like: CREATE VIEW vw_user_profile AS SELECT A.user_id, B.profile_description FROM tbl_user A LEFT JOIN tbl_profile B ON A.user_id = b.user_id GO Thus, if I want to query profile_description by user_id in the future, all I have to do is: SELECT profile_descr...
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Is there a shortcut in Eclipse to Re-run the most recently launched program?

...running and debugging applications has been simplified to run or debug the selected file or active editor. When the selected resource (or active editor) is not executable, users can opt to launch the associated project or re-launch the previous launch. These settings are managed on the Run/D...
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Populating a razor dropdownlist from a List in MVC

...leaner separation. First create a viewmodel to store the Id the user will select along with a list of items that will appear in the DropDown. ViewModel: public class UserRoleViewModel { // Display Attribute will appear in the Html.LabelFor [Display(Name = "User Role")] public int Sele...