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Best way to check if a Data Table has a null value in it
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I will do like....
(!DBNull.Value.Equals(dataSet.Tables[6].Rows[0]["_id"]))
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
...e, but Guardian has made some headway and summarize this in an excellent slide-deck, but they too are non-committal on totally jumping on Solr bandwagon and "investigating" combining Solr with CouchDB.
Finally, I will offer our experience, unfortunately cannot reveal much about the business-case. W...
PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
...PDO::ATTR_EMULATE_PREPARES is set to 1 (default). Alternatively you can avoid using prepared statements and use $pdo->exec directly.
Using exec
$db = new PDO("mysql:host=localhost;dbname=test", 'root', '');
// works regardless of statements emulation
$db->setAttribute(PDO::ATTR_EMULATE_PREPA...
Popstate on page's load in Chrome
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@ChadvonNau excellent idea, and it works a treat - thanks very much!
– sowasred2012
Mar 7 '13 at 12:55
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Circular dependency in Spring
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As the other answers have said, Spring just takes care of it, creating the beans and injecting them as required.
One of the consequences is that bean injection / property setting might occur in a different order to what your XML wiring files would seem...
Convert XML to JSON (and back) using Javascript
...representation, and XML is just used for XSLT.. the use of which is not my idea! :)
– Jason Suárez
Nov 20 '09 at 23:29
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HTML5 Audio stop function
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This works, thanks. On a side note i'd love to know why the w3c decided to not include a stop method in the spec.
– Reahreic
Feb 17 '17 at 15:38
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How does Spring autowire by name when more than one matching bean is found?
...3 of the Spring 3.0 manual:
For a fallback match, the bean name is considered a default qualifier value.
In other words, the default behaviour is as though you'd added @Qualifier("country") to the setter method.
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Android - Center TextView Horizontally in LinearLayout
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What's happening is that since the the TextView is filling the whole width of the inner LinearLayout it is already in the horizontal center of the layout. When you use android:layout_gravity it places the widget, as a whole, in the gravity specified. Instead of placing the whole widget center w...
Remove scroll bar track from ScrollView in Android
My Android app has a main WebView (HTML loaded from a local resource) which I want to use the entire width of the screen and be able to make (vertically) scrollable. So I've wrapped the WebView in a ScrollView in my layout XML, but no matter what I do I can't seem to be able to remove the scroll bar...