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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
I'm putting in some effort to learn Python, and I am paying close attention to common coding standards. This may seem like a pointlessly nit-picky question, but I am trying to focus on best-practices as I learn, so I don't have to unlearn any 'bad' habits.
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How to attach my repo to heroku app
I create a heroku app and then my machine crashed. I have a new machine. How do I attach my existing app to heroku app. When I visit heroku page the url for my app is like this
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ipython notebook clear cell output in code
In a iPython notebook, I have a while loop that listens to a Serial port and print the received data in real time.
3 Answ...
SQL Server - where is “sys.functions”?
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I find UDFs are very handy and I use them all the time.
I'm not sure what Microsoft's rationale is for not including a sys.functions equivalent in SQL Server 2005 (or SQL Server 2008, as far as I can tell), but it's easy enough to roll your own:
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Weird PHP error: 'Can't use function return value in write context'
I'm getting this error and I can't make head or tail of it.
12 Answers
12
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How can I add new array elements at the beginning of an array in Javascript?
...push - add an element to the beginning/end of an array
shift/pop - remove and return the first/last element of an array
A simple diagram...
unshift -> array <- push
shift <- array -> pop
and chart:
add remove start end
push X X
pop ...
Query to list all stored procedures
...[master].INFORMATION_SCHEMA.ROUTINES
WHERE ROUTINE_TYPE = 'PROCEDURE'
AND LEFT(ROUTINE_NAME, 3) NOT IN ('sp_', 'xp_', 'ms_')
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Repair all tables in one go
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from command line you can use:
mysqlcheck -A --auto-repair
http://dev.mysql.com/doc/refman/5.0/en/mysqlcheck.html
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Laravel Redirect Back with() Message
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Try
return Redirect::back()->withErrors(['msg', 'The Message']);
and inside your view call this
@if($errors->any())
<h4>{{$errors->first()}}</h4>
@endif
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A variable modified inside a while loop is not remembered
...I'm using some sort of copy of the variable $foo inside the while loop and I am modifying only that particular copy. Here's a complete test program:
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