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Remove empty space before cells in UITableView

...e first one. Here's how to change this behavior: a) Interface Builder Select the view controller Open Attributes inspector There's a property called "Adjust scroll view insets" in IB's attribute inspector (when a view controller is selected) which is on by default. Uncheck this option: (Image...
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How to create a drop-down list?

...eated one. dropdown.setAdapter(adapter); Notes: You can use a setOnItemSelectedListener with this. You can add a strings list from xml There is an appCompat version of this view. More information: This is the basics but there is more to be self taught with experimentation. https://developer....
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Is it possible to GROUP BY multiple columns using MySQL?

Is it possible to GROUP BY more than one column in a MySQL SELECT query? For example: 7 Answers ...
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Vim indent xml file

... that you don't have to alter your vimrc file. Plus it is easier to format select portions of the XML file (something I happen to do a lot). First, highlight the XML you want to format. Then, in normal mode, type ! xmllint --format - Your command-line at the bottom will look like this: :'<,'&...
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How do I convert an integer to string as part of a PostgreSQL query?

...o 15 digits, you'll meed to cast to an 64 bit (8-byte) integer. Try this: SELECT * FROM table WHERE myint = mytext::int8 The :: cast operator is historical but convenient. Postgres also conforms to the SQL standard syntax myint = cast ( mytext as int8) If you have literal text you want to c...
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What do querySelectorAll and getElementsBy* methods return?

...sByClassName (and similar functions like getElementsByTagName and querySelectorAll ) work the same as getElementById or do they return an array of elements? ...
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Drop columns whose name contains a specific string from pandas DataFrame

... Use the DataFrame.select method: In [38]: df = DataFrame({'Test1': randn(10), 'Test2': randn(10), 'awesome': randn(10)}) In [39]: df.select(lambda x: not re.search('Test\d+', x), axis=1) Out[39]: awesome 0 1.215 1 1.247 2 0.142 3...
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Is there a way to change context to iframe in javascript console?

...the console to accomplish this same thing, or do I have to click the frame selector? – bodine Aug 7 '13 at 23:25 @bodi...
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How many database indexes is too many?

... It depends on the operations that occur on the table. If there's lots of SELECTs and very few changes, index all you like.... these will (potentially) speed the SELECT statements up. If the table is heavily hit by UPDATEs, INSERTs + DELETEs ... these will be very slow with lots of indexes since t...
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Internet Explorer 8 Developer Tools not displaying

... You should get a window floating at the edge of the screen. Type M to select Move, then press an arrow key to enter Move mode. Additional remark by @WebSolProv: It would appear that something happens with IE that causes the developer tools window to be shrunk to the height of the header b...