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What is the difference between char, nchar, varchar, and nvarchar in SQL Server?

... Just to clear up... or sum up... nchar and nvarchar can store Unicode characters. char and varchar cannot store Unicode characters. char and nchar are fixed-length which will reserve storage space for number of characters you specify even if you don't use up all t...
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Is there a difference between PhoneGap and Cordova commands?

I just installed Phonegap for the first time and just browsed through the docs. What confuses me is the fact that some docs are using the command "phonegap" and some "cordova". ...
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Merging: Hg/Git vs. SVN

I often read that Hg (and Git and...) are better at merging than SVN but I have never seen practical examples of where Hg/Git can merge something where SVN fails (or where SVN needs manual intervention). Could you post a few step-by-step lists of branch/modify/commit/...-operations that show where S...
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Why not use exceptions as regular flow of control?

To avoid all standard-answers I could have Googled on, I will provide an example you all can attack at will. 24 Answers ...
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What is the difference between Polymer elements and AngularJS directives?

... a new element. On to questions! What is the difference between Angular and Polymer? We covered some of this in our Q&A video. In general, Polymer is a library that aims to use (and show how to use) Web Components. Its foundation is Custom Elements (e.g. everything you build is a web compone...
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Is it safe to use Project Lombok? [closed]

...ps with some of the annoyances of Java with stuff like generating getters and setters with annotations and even simple JavaBean like generation with @Data . It could really help me, especially in 50 different event objects where you have up to 7 different fields that need to be constructed and hi...
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git rebase, keeping track of 'local' and 'remote'

...se, I often have difficulty working out what is happening with the 'local' and 'remote' when resolving conflicts. I sometimes have the impression that they swap sides from one commit to the next. ...
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What is the purpose of Looper and how to use it?

I am new to Android. I want to know what the Looper class does and also how to use it. I have read the Android Looper class documentation but I am unable to completely understand it. I have seen it in a lot of places but unable to understand its purpose. Can anyone help me by defining the purpos...
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What are the benefits of dependency injection containers?

I understand benefits of dependency injection itself. Let's take Spring for instance. I also understand benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as: ...
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What size should apple-touch-icon.png be for iPad and iPhone?

Are Apple touch icons bigger than 60x60 supported, and if so, what dimensions should I use for the iPad and iPhone? 11 Answ...