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ActiveModel::ForbiddenAttributesError when creating new user
...about why this works or why this is needed?
– DiverseAndRemote.com
Aug 9 '13 at 13:23
20
@OmarJac...
SQLAlchemy IN clause
...w SQL mode with SQLAlchemy, I use SQLAlchemy 0.9.8, python 2.7, MySQL 5.X, and MySQL-Python as connector, in this case, a tuple is needed. My code listed below:
id_list = [1, 2, 3, 4, 5] # in most case we have an integer list or set
s = text('SELECT id, content FROM myTable WHERE id IN :id_list')
c...
How to get the list of all printers in computer
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Get Network and Local Printer List in ASP.NET
This method uses the Windows Management Instrumentation or the WMI interface. It’s a technology used to get information about various systems (hardware) running on a Windows Operating Syst...
How to set the first option on a select box using jQuery?
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True, but it still shows the basic concept, and in this case it looks like he wants to reset it to "Select All", which is the first option.
– Jack
Sep 16 '11 at 14:08
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How to get the last character of a string in a shell?
...y you need to quote your variables:
echo "${str:$i:1}"
Otherwise, bash expands the variable and in this case does globbing before printing out. It is also better to quote the parameter to the script (in case you have a matching filename):
sh lash_ch.sh 'abcde*'
Also see the order of expansions in ...
Android custom dropdown/popup menu
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Update: To create a popup menu in android with Kotlin refer my answer here.
To create a popup menu in android with Java:
Create a layout file activity_main.xml under res/layout directory which contains only one button.
Filename: activity_main.xml
<Rela...
How to “properly” print a list?
... '.join(map(str, mylist))
In Python 3 (where print is a builtin function and not a syntax feature anymore):
mylist = ['x', 3, 'b']
print('[%s]' % ', '.join(map(str, mylist)))
Both return:
[x, 3, b]
This is using the map() function to call str for each element of mylist, creating a new list o...
How to find a min/max with Ruby
...umerable will have those methods available.
v2.4 introduces own Array#min and Array#max, which are way faster than Enumerable's methods because they skip calling #each.
@nicholasklick mentions another option, Enumerable#minmax, but this time returning an array of [min, max].
[4, 5, 7, 10].minmax
...
Entity Framework code first unique column
I am using Entity Framework 4.3 and using Code Fist.
6 Answers
6
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@AspectJ pointcut for all methods of a class with specific annotation
...dWithAtMonitor() {}
Advice the last pointcut that combines the first two and you're done!
If you're interested, I have written a cheat sheet with @AspectJ style here with a corresponding example document here.
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