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How can I get the current PowerShell executing file?
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@CollinChaffin: agreed and now (2017) the least currently supported is Windows 7 so there is no reason not to use $PSCommandPath if legacy (WindowsXP) is not required.
– tukan
Dec 11 '17 at 16:30
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A connection was successfully established with the server, but then an error occurred during the pre
...for root cause analysis. Work-arounds have value, but it's more useful to know why this occurs and why the work-around works.
– laindir
Aug 8 '16 at 18:23
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What is the purpose of a question mark after a type (for example: int? myVariable)?
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Thank you for the explanation. I understand now.
– problemofficer
Jul 1 '17 at 3:59
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quick random row selection in Postgres
...e optimal solution if you want only one row selected, because you need to know the COUNT of the table to calculate the exact percentage.
To avoid a slow COUNT and use fast TABLESAMPLE for tables from 1 row to billions of rows, you can do:
SELECT * FROM my_table TABLESAMPLE SYSTEM(0.000001) LIMI...
Convert float to double without losing precision
...point (for example, 0.1). So you either must always round the result to a known precision or use BigDecimal.
See http://en.wikipedia.org/wiki/Floating_point for more information.
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Creating a range of dates in Python
...e import datetime
list(rrule.rrule(rrule.DAILY,count=100,dtstart=datetime.now()))
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Is it possible to hide the cursor in a webpage using CSS or Javascript?
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To my knowledge IE6 supports transparent PNG, as long as it is real transparency and not alpha channel transparency. If in doubt, check yourself with the test suite: libpng.org/pub/png/pngsuite.html.
– Shi
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How to check if element is visible after scrolling?
...them are only visible if you scroll down the page. Is there any way I can know if an element is now in the visible part of the page?
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How to get last key in an array?
...ings when the function parameter was passed by reference. The warning will now always be issued."
– Dominic Scheirlinck
Jan 18 '16 at 1:05
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How do I change db schema to dbo
...s it lists jonathan as the db schema. When I write stored procedures I now have to include jonathan. in front of all the table names which is confusing.
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