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Check if OneToOneField is None in Django
...fortunately, this doesn't work all the time. In case you want to work with select_related() now or in the future -- or maybe even to be sure you also handle other sorts of magic which may happen elsewhere -- you have to extend the test as follows: if hasattr(object, 'onetoonerevrelattr') and object....
How to set the java.library.path from Eclipse
... has items for source/javadoc and native library locations.
Specifically: select Project, right click -> Properties / Java Build Path / Libraries tab, select a .jar, expand it, select Native library location, click Edit, folder chooser dialog will appear)
Messing with the library path on the co...
Two single-column indexes vs one two-column index in MySQL?
... the statement I provided.
Additionally, MySQL can only use one index per SELECT so a covering index would be the best means of optimizing your queries.
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jQuery: Selecting by class and input type
I would like to select a set of elements that are both of a certain input type (say, a checkbox) and have a certain class using jQuery. However, when I try the following:
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CSS Selector “(A or B) and C”?
...rmit groupings. It's essentially the lowest-precedence logical operator in selectors, so you must use .a.c,.b.c.
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Func vs. Action vs. Predicate [duplicate]
...s probably most commonly used in LINQ - for example in projections:
list.Select(x => x.SomeProperty)
or filtering:
list.Where(x => x.SomeValue == someOtherValue)
or key selection:
list.Join(otherList, x => x.FirstKey, y => y.SecondKey, ...)
Action is more commonly used for th...
What's a Good Javascript Time Picker? [closed]
... resources:
TimeDatePicker (jQuery Plugin)
jQuery.timepickr
jQuery.ptTimeSelect
Time Picker
Fancy Time Picker
NoGray Time Picker
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More lines in command window
...and go to properties.
Click the Options tab.
In Command History, type or select 999 in Buffer Size, and then type or select 5 in Number of Buffers.
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How to intercept click on link in UITextView?
...rtant:
Links in text views are interactive only if the text view is
selectable but noneditable. That is, if the value of the UITextView
the selectable property is YES and the isEditable property is NO.
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Identity increment is jumping in SQL Server database
... the SQL Server.
The solution is:
Run SQL Server Configuration Manager.
Select SQL Server Services.
Right-click SQL Server and select Properties.
In the opening window under Startup Parameters, type -T272 and click Add, then press Apply button and restart.
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