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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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Is Random class thread safe?
...ing threads at more random times tomorrow than today. I simplified the alg now and updated the description to identify the shortcoming.
– Ryan
Nov 15 '12 at 23:29
add a commen...
Excel VBA App stops spontaneously with message “Code execution has been halted”
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Does anyone know why this works? Or where it comes from? Is this magic?
– ZX9
Aug 13 '15 at 18:00
3
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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...
C++, variable declaration in 'if' expression
...nd part (bool a = false) should be not be evaluated because it is already known that the final answer will be false. If (bool a = false) isn't evaluated, then what to do with code later on that uses a? Would we just not initialize the variable and leave it undefined? Would we initialize it to the...
Check existence of directory and create if doesn't exist
...f I am in folder test1 then inside it test2 inside it test3 ... but right now I am facing problem. Is there a way that I can create 3 level of directory even if directory1 does not exits ??
– Praveen Kesani
Aug 8 '16 at 6:18
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Laravel Eloquent: How to get only certain columns from joined tables
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I know, you ask for Eloquent but you can do it with Fluent Query Builder
$data = DB::table('themes')
->join('users', 'users.id', '=', 'themes.user_id')
->get(array('themes.*', 'users.username'));
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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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