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Is an index needed for a primary key in SQLite?
When an integer column is marked as a primary key in an SQLite table, should an index be explicitly created for it as well? SQLite does not appear to automatically create an index for a primary key column, but perhaps it indexes it anyway, given its purpose? (I will be searching on that column all t...
Android - Emulator in landscape mode, screen does not rotate
When I switch to landscape mode ( NUMPAD 7 or CTRL + F11 ) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate ...
Open URL under cursor in Vim with browser
I'm using Twitvim for the first time. Seeing all the URLs in there made me wonder, is there any way to open the URL under the cursor in your favorite browser or a specified one?
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Duplicate symbols for architecture x86_64 under Xcode
I now have the same question with above title but have not found the right answer yet. I got the error:
51 Answers
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How to construct a REST API that takes an array of id's for the resources
...d Dec 27 '10 at 20:04
Florin DumitrescuFlorin Dumitrescu
7,64833 gold badges3030 silver badges2929 bronze badges
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Scatterplot with marginal histograms in ggplot2
Is there a way of creating scatterplots with marginal histograms just like in the sample below in ggplot2 ? In Matlab it is the scatterhist() function and there exist equivalents for R as well. However, I haven't seen it for ggplot2.
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Difference between shadowing and overriding in C#?
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Well inheritance...
suppose you have this classes:
class A {
public int Foo(){ return 5;}
public virtual int Bar(){return 5;}
}
class B : A{
public new int Foo() { return 1;} //shadow
public override int Bar() {return...
Fatal error: Maximum execution time of 30 seconds exceeded
I am downloading a JSON file from an online source and and when it runs through the loop I am getting this error:
16 Answer...
Using Sinatra for larger projects via multiple files
It seems that in Sinatra all route handlers are being written into a single file, if I understand right it acts as a one large/small controller. Is there any way to split it into separate independent files, so when let's say somebody calls "/" - one action is executed, and if smth like "/posts/2" is...
Web scraping with Python [closed]
I'd like to grab daily sunrise/sunset times from a web site. Is it possible to scrape web content with Python? what are the modules used? Is there any tutorial available?
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