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Which timestamp type should I choose in a PostgreSQL database?

...al time zone test=> SET timezone = 'America/Los_Angeles'; SET test=> SELECT NOW(); now ------------------------------- 2011-05-27 15:47:58.138995-07 (1 row) test=> SELECT NOW() AT TIME ZONE 'UTC'; timezone ---------------------------- 2011-...
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JPA eager fetch does not join

... JPA doesn't provide any specification on mapping annotations to select fetch strategy. In general, related entities can be fetched in any one of the ways given below SELECT => one query for root entities + one query for related mapped entity/collection of each root entity = (n+1) que...
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Java compiler level does not match the version of the installed Java project facet

...he Project Properties dialog. There is a Project Facets item on the left, select it, look for the Java facet on the list, choose which version you want to use for the project and apply. share | i...
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How can I return pivot table output in MySQL?

...OUP BY. The basic SQL providing this pivot can look something like this: SELECT P.`company_name`, COUNT( CASE WHEN P.`action`='EMAIL' THEN 1 ELSE NULL END ) AS 'EMAIL', COUNT( CASE WHEN P.`action`='PRINT' AND...
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Select all contents of textbox when it receives focus (Vanilla JS or jQuery)

What is a Vanilla JS or jQuery solution that will select all of the contents of a textbox when the textbox receives focus? ...
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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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Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT

...tyForResult(Intent.createChooser(intent, getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED); } else { Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT); intent.addCategory(Intent.CATEGORY_OPENABLE); intent.setType("image/jpeg"); startActivityForResult(int...
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How can I render a list select box (dropdown) with bootstrap?

...e box that bootstrap supports to render a "regular" defacto drop down list select box? That is, where the drop down box is a list of values and if selected populate the contents of the list box? ...
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Fragment onCreateView and onActivityCreated called twice

....getFragmentManager().findFragmentByTag(mTag); } public void onTabSelected(Tab tab, FragmentTransaction ft) { if (mFragment == null) { mFragment = Fragment.instantiate(mActivity, mClass.getName()); ft.replace(android.R.id.content, mFragment, mTag); } ...
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Where is the “Create Unit Tests” selection?

..."Show commands containing" text box to filter out CreateUnitTests command, select it. Choose "Text Editor" in "Use new shortcut in" combo, and press shortcut you want in "Press shortcut keys" text field (e.g., Ctrl+T, Ctrl+C). Finally, press Assign button. Enjoy! ...