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SQL JOIN vs IN performance?
...r an IN will give me the correct results... Which typically has better performance and why? How much does it depend on what database server you are running? (FYI I am using MSSQL)
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No Main() in WPF?
... (disambiguating it in project-properties as necessary). Look in obj/debug for an app file; I have (courtesy of "C# 2010 Express") App.g.i.cs with:
namespace WpfApplication1 {
/// <summary>
/// App
/// </summary>
[System.CodeDom.Compiler.GeneratedCodeAttribute("Present...
Django fix Admin plural
...- just because the admin is the only thing out-of-the-box that uses this information about your model doesn't mean it will always be. Hopefully if you need the plural name of a model somewhere in your own code you'll use this property instead of re-inventing the wheel.
– cibyr
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Git resolve conflict using --ours/--theirs for all files
Is there a way to resolve conflict for all files using checkout --ours and --theirs ? I know that you can do it for individual files but couldn't find a way to do it for all.
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Turning off some legends in a ggplot
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You can use guide=FALSE in scale_..._...() to suppress legend.
For your example you should use scale_colour_continuous() because length is continuous variable (not discrete).
(p3 <- ggplot(mov, aes(year, rating, colour = length, shape = mpaa)) +
scale_colour_continuous(guide = FAL...
ipython: print complete history (not just current session)
...ou can use the the get_session_info function to retreive the date and time for the session you are interested in.(http://ipython.readthedocs.io/en/stable/api/generated/IPython.core.history.html?highlight=hist#IPython.core.history.HistoryAccessor.get_session_info)
profile_hist=IPython.core.history.H...
What are the differences between LDAP and Active Directory?
...t
LDAP (Lightweight Directory Access Protocol) is an application protocol for querying and modifying items in directory service providers like Active Directory, which supports a form of LDAP.
Short answer: AD is a directory services database, and LDAP is one of the protocols you can use to talk to...
How to atomically delete keys matching a pattern using Redis
...X e.g delete_me_*]
Warning: As the Redis document says, because of performance maters, keys
command should not use for regular operations in production, this
command is intended for debugging and special operations. read
more
See the EVAL documentation.
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Case insensitive regex in JavaScript
...om my URL using JavaScript, and I want to do a case insensitive comparison for the query string name. Here is what I am doing:
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Convert a List into an ObservableCollection
... has a constructor overload
which takes IEnumerable < T >
Example for a List of int:
ObservableCollection<int> myCollection = new ObservableCollection<int>(myList);
One more example for a List of ObjectA:
ObservableCollection<ObjectA> myCollection = new ObservableColle...