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R script line numbers at error?

...ou the line number, but it will tell you where the failure happens in the call stack which is very helpful: traceback() [Edit:] When running a script from the command line you will have to skip one or two calls, see traceback() for interactive and non-interactive R sessions I'm not aware of anot...
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How do I view the SQLite database on an Android device? [duplicate]

...opy the database from the SD card to the place where your ADB exist. Install Firefox SQLite Manager: https://addons.mozilla.org/en-US/firefox/addon/sqlite-manager/ Open Firefox SQLite Manager (Tools->SQLite Manager) and open your database file from step 3 above. Enjoy! ...
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Most common C# bitwise operations on enums

...nfuse the issue. The .NET Enumeration Type Naming Guidelines indicate that all [Flags] enums should have pluralised names, so the name FlagsEnum has even more serious issues than ugliness. – Drew Noakes Jan 16 '13 at 11:48 ...
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Display open transactions in MySQL

...ction to the server while sending a statement, it immediately and automatically tries to reconnect once to the server and send the statement again. However, even if mysql succeeds in reconnecting, your first connection has ended and all your previous session objects and settings are lost: temporary ...
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Downloading jQuery UI CSS from Google's CDN

...e to download the jQuery lib for both UI and Core. My question is, do they allow me to download the CSS for it or should I have to host it myself? ...
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Keep overflow div scrolled to bottom unless user scrolls up

...age loads scroll to the bottom of the content. This div has content dynamically added to it and needs to stay scrolled all the way down. Now if the user decides to scroll up I don't want it to jump back to the bottom until the user scrolls all the way down again ...
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What “things” can be injected into others in Angular.js?

...for telling Angular how to create new injectable things; these things are called services. Services are defined by things called providers, which is what you're creating when you use $provide. Defining a provider is done via the provider method on the $provide service, and you can get hold of the $p...
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Performance of static methods vs instance methods

...s vs instance methods and their scalability. Assume for this scenario that all class definitions are in a single assembly and that multiple discrete pointer types are required. ...
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Entity Framework and SQL Server View

...sabanito I think it parses the definition. that is why you need to specifically wrap the key properties in IsNull(). I have a view that does not return any nulls (and can not return any nulls) but because of the way the logic was written, EF could not determine that that was the case until I wrapped...
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set up device for development (???????????? no permissions)

... Nothing worked for me until I finally found the answer here: http://ptspts.blogspot.co.il/2011/10/how-to-fix-adb-no-permissions-error-on.html I'm copying the text here in case it disappears in the future. Create a file named /tmp/android.rules with the fol...