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SQLite UPSERT / UPDATE OR INSERT

...answer. Starting from SQLIte 3.24.0, released on June 4, 2018, there is finally a support for UPSERT clause following PostgreSQL syntax. INSERT INTO players (user_name, age) VALUES('steven', 32) ON CONFLICT(user_name) DO UPDATE SET age=excluded.age; Note: For those having to use a vers...
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Filtering collections in C#

... ints that are > than 7, Where returns an // IEnumerable<T> so a call to ToList is required to convert back to a List<T>. List<int> filteredList = myList.Where( x => x > 7).ToList(); If you can't find the .Where, that means you need to import using System.Linq; at the to...
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How to fix the datetime2 out-of-range conversion error using DbContext and SetInitializer?

...{ get; set; } public DateTime? DataDisparado { get; set; }//.This allow you to work with nullable datetime in database. public DateTime? DataResolvido { get; set; }//.This allow you to work with nullable datetime in database. public long Latencia { get; set; } publi...
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How to solve “Plugin execution not covered by lifecycle configuration” for Spring Data Maven Builds

..., in order to avoid the exceptions in Eclipse, one needs to simply enclose all the plugin tags inside a <pluginManagement> tag, like so: <build> <pluginManagement> <plugins> <plugin> ... </plugin> <plugin> ... </plugin...
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Getting “type or namespace name could not be found” but everything seems ok?

...on to VS2012 from VS2010, and had created one new class library in VS2012. All of a sudden I was getting this error, and of course it was because the new class library targeted .NET 4.5 while the project referencing it targeted .NET 4.0. Downgrading the new library to target 4.0 fixed it. ...
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Why “no projects found to import”?

...ject into workspace". As the "root directory" I select the directory where all my .java (and .class) files are located. Eclipse writes me that "no projects are found to import". Why? ...
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UITableViewCell show white background and cannot be modified on iOS7

...ull said, "...there seems to be a bug in interface builder...", I'm not totally sure whether it does have the bug, but seems so cause his comment got several up votes. So there might something wrong if you use IB. :) share ...
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Viewing my IIS hosted site on other machines on my network

... As others said your Firewall needs to be configured to accept incoming calls on TCP Port 80. in win 7+ (easy wizardry way) go to windows firewall with advance security Inbound Rules -> Action -> New Rule select Predefined radio button and t...
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PHP Composer update “cannot allocate memory” error (using Laravel 4)

... you should be committing your composer.lock file and doing a composer install on a production environment which is less resource intensive. More details here: https://github.com/composer/composer/issues/1898#issuecomment-23453850 ...
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What does 'synchronized' mean?

... The synchronized keyword is all about different threads reading and writing to the same variables, objects and resources. This is not a trivial topic in Java, but here is a quote from Sun: synchronized methods enable a simple strategy for prevent...