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T-SQL: Deleting all duplicate rows but keeping one [duplicate]
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You didn't say what version you were using, but in SQL 2005 and above, you can use a common table expression with the OVER Clause. It goes a little something like this:
WITH cte AS (
SELECT[foo], [bar],
row_number() OVER...
In Rails, how do you render JSON using a view?
... is awesome at generating JSON and there's nothing new to learn as you can call to_json on a Hash or an AR object. Simply register the .rb extension for templates (in an initializer):
ActionView::Template.register_template_handler(:rb, :source.to_proc)
Then create the view users/show.json.rb:
@u...
Remove trailing zeros
...m;
}
The exponent part of the decimal is reduced to just what is needed. Calling ToString() on the output decimal will write the number without any trailing 0. E.g.
1.200m.Normalize().ToString();
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How to filter Android logcat by application? [duplicate]
...ead of logcat then the tags don't need to be the application. You can just call it with pidcat com.your.application
You should use your own tag, look at: http://developer.android.com/reference/android/util/Log.html
Like.
Log.d("AlexeysActivity","what you want to log");
And then when you want...
MVC4 DataType.Date EditorFor won't display date value in Chrome, fine in Internet Explorer
...plementation of IModelMetadataFilter. When the TransformMetadata method is called, you can then edit the "DisplayFormatString" and "EditFormatString" properties of the metadata. Hope this gets you in the right direction (btw, there is a great pluralsight video that uses Fail-Tracker)
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How to persist a property of type List in JPA?
... String> {
private static final String SPLIT_CHAR = ";";
@Override
public String convertToDatabaseColumn(List<String> stringList) {
return String.join(SPLIT_CHAR, stringList);
}
@Override
public List<String> convertToEntityAttribute(String string) {
...
What does the regular expression /_/g mean?
...regex matches the _ character.
The g means Global, and causes the replace call to replace all matches, not just the first one.
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When to use .First and when to use .FirstOrDefault with LINQ?
... @driis - I'd imagine we can use the mantra of the exceptional exception guideline when choosing between First and FirstOrDefault. Thanks for the clear answer.
– Metro Smurf
Jun 21 '09 at 21:21
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What are the relative strengths and weaknesses of Git, Mercurial, and Bazaar? [closed]
... a remote server instead of copied down to the local system and is automatically referred to over the network when needed; at present, this is unique among DSCMs.
Both have some form of SVN integration available; however, bzr-svn is considerably more capable than git-svn, largely due to backend for...
JavaScript: What are .extend and .prototype used for?
...nd for some examples.
.prototype refers to the "template" (if you want to call it that) of an object, so by adding methods to an object's prototype (you see this a lot in libraries to add to String, Date, Math, or even Function) those methods are added to every new instance of that object.
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