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MySQL: Invalid use of group function

... 175 You need to use HAVING, not WHERE. The difference is: the WHERE clause filters which rows MyS...
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Which data type for latitude and longitude?

...and PostGIS. I want to store latitude and longitude values in PostgreSQL 9.1.1 database table. I will calculate distance between two points, find nearer points by using this location values. ...
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Convert number strings with commas in pandas DataFrame to float

... 136 If you're reading in from csv then you can use the thousands arg: df.read_csv('foo.tsv', sep=...
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What is the difference between Android margin start/end and right/left?

... 188 For left-to-right flow, start=left, end=right. For right-to-left flow, start=right, end=left....
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How to make Google Chrome JavaScript console persistent?

... If anyone's still looking for this, I'm on Chrome 15.0.874.58 beta-m and I have a checkbox in Developer Tools > Settings labelled "Console: Preserve log on navigation". Does the job nicely. shar...
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How to enable zoom controls and pinch zoom in a WebView?

... answered Aug 24 '11 at 7:53 zovzov 3,74411 gold badge1212 silver badges1818 bronze badges ...
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Get __name__ of calling function's module in Python

... 123 Check out the inspect module: inspect.stack() will return the stack information. Inside a fu...
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Prevent ViewPager from destroying off-screen views

...ify the number of offscreen pages to use, rather than the default which is 1. In your case, you want to specify 2, so that when you are on the third page, the first one is not destroyed, and vice-versa. mViewPager = (ViewPager)findViewById(R.id.pager); mViewPager.setOffscreenPageLimit(2); ...
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Rotating a point about another point (2D)

... | edited Oct 1 '19 at 9:16 twe4ked 2,6091717 silver badges2323 bronze badges answered Feb 1...
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@ character before a function call

... 212 the "@" will silence any php errors your function could raise. ...