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How do I make a placeholder for a 'select' box?

...alidation (required attribute) to work around having the "placeholder", so if the option isn't changed, but is required, the browser should prompt the user to choose an option from the list. Update (July 2015): This method is confirmed working in the following browsers: Google Chrome - v.43.0.23...
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log all sql queries

... Add the following bold statements in settings.py if DEBUG: import logging l = logging.getLogger('django.db.backends') l.setLevel(logging.DEBUG) l.addHandler(logging.StreamHandler()) LOGGING = { 'version': 1, 'disable_existing_loggers': False, '...
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How to get the first and last date of the current year?

... SELECT DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0) AS StartOfYear, DATEADD(yy, DATEDIFF(yy, 0, GETDATE()) + 1, -1) AS EndOfYear The above query gives a datetime value for midnight at the beginning of December 31. This is about 24 hours short of ...
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Cannot find or open the PDB file in Visual Studio C++ 2010

...io will download PDBs automatically. Or you may just ignore these warnings if you don't need to see correct call stack in these modules. share | improve this answer | follow ...
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PHP validation/regex for URL

... outer double-quotes (they were only needed because of the pointless /e modifier on the regex). – Alan Moore May 30 '09 at 5:53 1 ...
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Set value of hidden input with jquery

.... Whenever setting some value doesn't work, try to get the element first.. If you don't get it, the problem isn't with .val(), but probably with the selector – Thomas Mulder Jan 30 '16 at 17:05 ...
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Internal vs. Private Access Modifiers

What is the difference between the internal and private access modifiers in C#? 7 Answers ...
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Get color value programmatically when it's a reference (theme)

...is code. Either use: android:theme="@style/Theme.BlueTheme" in your manifest or call (before you call setContentView(int)): setTheme(R.style.Theme_BlueTheme) in onCreate(). I've tested it with your values and it worked perfectly. ...
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What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]

What is meant by String Pool ? And what is the difference between the following declarations: 5 Answers ...
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How can I set the color of a selected row in DataGrid

... If I do select the entire row through Databinding e.g. <DataGrid>ItemsSource="{Binding Path=MySelector}" SelectedItem="{Binding SelectedItem, Mode=TwoWay}" the row is only LightGrey. Is there also a SystemColors? ´ ...