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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?

...at are the different cases when we use these three? Where should I use one and where should I not? 9 Answers ...
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How do I create a slug in Django?

... SlugFields set db_index=True by default, and also use a form field by default that has a validation regex to require valid slugs (if represented in a ModelForm or in the admin). You can do those things manually with a CharField if you prefer, it just makes the inte...
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How to force an entire layout View refresh?

...nflate(int, ViewGroup)). The API doc reference is here: http://developer.android.com/reference/android/view/ContextThemeWrapper.html#setTheme%28int%29 Since the onDraw() method works on already instantiated Views, setTheme will not work. I have no experience with themes myself, but two alternativ...
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Do C# Timers elapse on a separate thread?

... The System.Threading.Timer class makes callbacks on a ThreadPool thread and does not use the event model at all. So indeed the timer elapses on a different thread. share | improve this answer...
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.htaccess: Invalid command 'RewriteEngine', perhaps misspelled or defined by a module not included i

...t of the line) Also find the line ClearModuleList is uncommented then find and make sure that the line AddModule mod_rewrite.c is not commented out. If the LoadModule rewrite_module modules/mod_rewrite.so line is missing from the httpd.conf file entirely, just add it. Sample command To enable the m...
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Injecting $scope into an angular service function()

... inheriting from a parent scope). The root of all scopes is the $rootScope and you can create a new child-scope using the $new() method of any scope (including the $rootScope). The purpose of a Scope is to "glue together" the presentation and the business logic of your app. It does not make much s...
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Filter by process/PID in Wireshark

... ninja out there who manages to do this.. – Ryan Fernandes Aug 27 '09 at 8:41 30 Wireshark knows ...
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get the latest fragment in backstack

... RTFM: developer.android.com/reference/android/app/… – artkoenig Apr 5 '15 at 10:04 1 ...
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How can I add “href” attribute to a link dynamically using JavaScript?

...lution below, using setAttribute). Does anybody know if this approach is standard? – mgiuca Jan 14 '11 at 8:53 I think...
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How to get a list of column names on Sqlite3 database?

... Just to put this into code terms for SQLiteDatabase on Android, write db.rawQuery("PRAGMA table_info(" + tablename + ")", null); – Noumenon Jun 8 '13 at 14:14 4...