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What is DOCTYPE?

...de), depending on the exact spelling of the DOCTYPE. You want to use it to select a browser mode that best suits your page. Formally, in SGML and XML, a DOCTYPE declaration is a reference to a Document Type Definition (DTD), which specifies the formal syntax rules of the markup language. No browser...
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UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?

...answered myself (my answer was the only one at the time). I've changed the selected answer when the author of the current selected answer focused on eliminate those magic numbers. So, in the selected answer, you can figure out what they mean. – reinaldoluckman ...
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How to convert an entire MySQL database characterset and collation to UTF-8?

... You can create the sql to update all tables with: SELECT CONCAT("ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CHARACTER SET utf8 COLLATE utf8_general_ci; ", "ALTER TABLE ",TABLE_SCHEMA,".",TABLE_NAME," CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci; ") AS a...
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Picking a random element from a set

... the buckets that make up the hashset, which allows us to more efficiently select a random elements. If random elements are necessary in Java, it might be worthwhile to define a custom hash set that allows the user to look under the hood. See [boost's docs][1] for a little more in this. [1] boos...
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How to place and center text in an SVG rectangle

...hose characters who start new lines. (This approach allows user text selection across multiple lines of text -- see Text selection and clipboard operations.) Express the text to be rendered in another XML namespace such as XHTML [XHTML] embedded inline within a ‘foreignObject...
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Can you resolve an angularjs promise before you return it?

... I think this answer should be selected. – Morteza Tourani May 8 '16 at 20:13 ...
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Efficiently updating database using SQLAlchemy ORM

...ill basically run the same SQL statement as the previous snippet, but also select the changed rows and expire any stale data in the session. If you know you aren't using any session data after the update you could also add synchronize_session=False to the update statement and get rid of that select....
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Focus-follows-mouse (plus auto-raise) on Mac OS X

... iTerm2 has this functionality built in... in Preferences, select the Pointer tab, down at the bottom is a "Focus follows mouse" option. It will even grab the focus away from the currently active app (i.e. say your browser is the active app and you're typing in a browser field... mo...
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iOS 7 - How to display a date picker in place in a table view?

...hose values. As a delegate to this table, the sample uses the method "didSelectRowAtIndexPath" to open the UIDatePicker control. For iOS 6.x and earlier, UIViewAnimation is used for sliding the UIDatePicker up on-screen and down off-screen. For iOS 7.x, the UIDatePicker is added in-line to th...
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Eclipse: enable assertions

...to Preferences. Choose Java, and then Installed JREs from the left panel. Select your JRE, and then click the Edit... button in the right panel. In the Default VM arguments field, add -ea. share | ...