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How do you perform a left outer join using linq extension methods
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You need to remember to Order your joined table or the .FirstOrDefault() is going to get a random row from the multiple rows that might match the join criteria, whatever the database happens to find first.
– Chris Moschini
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Which HTML Parser is the best? [closed]
...f such documents, it is necessary to first clean up the mess and bring the order to tags, attributes and ordinary text. For the given HTML document, HtmlCleaner reorders individual elements and produces well-formed XML. By default, it follows similar rules that the most of web browsers use in order ...
How to make overlay control above all other controls?
...vas.Top="200" Canvas.Left="200" Fill="green"/>
<!-- Reverse the order to illustrate z-index property -->
<Rectangle Canvas.ZIndex="1" Width="100" Height="100" Canvas.Top="300" Canvas.Left="200" Fill="green"/>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canva...
How to convert date to timestamp?
...reasons. Above you've defined the date March 2nd, 2014 (you have the field order messed up). And if the fields were in the right order, you'd be defining the date March 26th, 2012 (month values start at zero). But as the OP has a string, not a series of numbers, it's not all that useful even if you ...
UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
...unmodifiableMap(new LinkedHashMap<>(realMap)); to keep the iteration order intact (but there may be cases where this doesn't matter). In any case, I'm regularly doing this, and would prefer it over ImmutableMap (particularly if Guava is not already a dependency anyhow). There may be justificat...
Is there any performance reason to declare method parameters final in Java?
...wever, i have no clue if this is done in practice, but it could be done in order to save some memory.
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What is the difference between service, directive and module?
....js modules, Angular modules don't try to solve the problem of script load ordering or lazy script fetching. These goals are orthogonal and both module systems can live side by side and fulfill their goals (so the docs claim).
Services
are singletons, so there is only one instance of each servic...
Is there a way to detect if a browser window is not currently active?
... too. Think about the same case as above, or a user watching a video.
In order to improve the imperfect behaviors described above, I use a combination of the 3 methods: W3C Visibility API, then focus/blur and user activity methods in order to reduce the false positive rate. This allows to manage t...
How do popular apps authenticate user requests from their mobile app to their server?
...e communication between the mobile app and the API server is being done in order to be able to automate attacks against your API. Many other scenarios are possible, but we will not enumerate each one here.
I hope that by now you may already have a clue why the WHO and the WHAT are not the same, but ...
AngularJS: How to clear query parameters in the URL?
...ularJS application needs to have access to the user's LinkedIn profile. In order to do that I need to redirect the user to a LinkedIn URL which contains a callback redirect_uri parameter which will tell LinkedIn to redirect the user back to my webapp and include a "code" query param in the URL. It's...