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Separation of business logic and data access in django
...ActivateUserForm(forms.Form):
user_id = IntegerField(widget = UsernameSelectWidget, verbose_name="Select a user to activate")
# the username select widget is not a standard Django widget, I just made it up
def clean_user_id(self):
user_id = self.cleaned_data['user_id']
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How can I get the iOS 7 default blue color programmatically?
...cluding the system button, segmented control, etc. They've made it easy to select the color using IB, as seen here:
14 Answ...
Thymeleaf: how to use conditionals to dynamically add/remove a CSS class
... th:errorclass="fieldError" />
Applied to a form field tag (input, select, textarea…), it will read the name of the field to be examined from any existing name or th:field attributes in the same tag, and then append the specified CSS class to the tag if such field has any associated errors...
Best practice to make a multi language application in C#/WinForms? [closed]
...s.resx and my German resources LanguageResources.de.resx, it automatically selected the correct language. The ResXFileCodeGenerator took care of it all for me.
Note that the fields in the two files were the same and any not yet entered German fields would show up in the application as English as th...
CSS selector by inline style attribute
Is there a CSS selector to select this element by its inline style attribute value?
2 Answers
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jQuery: count number of rows in a table
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Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
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PostgreSQL: How to change PostgreSQL user password?
...is an object, not a string. Compare with ALTER TABLE "table_name" or even SELECT * FROM "table_name". You couldn't use single quotes in these contexts with tables, and it's the same with users/roles.
– P Daddy
Apr 13 '16 at 5:11
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How to run a makefile in Windows?
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If you install Cygwin. Make sure to select make in the installer. You can then run the following command provided you have a Makefile.
make -f Makefile
https://cygwin.com/install.html
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Command line for looking at specific port
...080"
In bash:
netstat -na | grep "8080"
In PowerShell:
netstat -na | Select-String "8080"
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Android ClassNotFoundException: Didn't find class on path
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This following method worked for me
Right click on your project and select properties
The "Properties for " panel will open. From the menu on the left go to Java Build Path -> Order and Export
From the list below uncheck the box next to "Android Dependencies"
Finally clean your project and...