Suppose I have a line seg<em>mem>ent going fro<em>mem> (x1,y1) to (x2,y2). How do I calculate the nor<em>mem>al vector perpendicular to the line? ...

I want to do so<em>mem>ething like this: 6 Answers 6 ...

I a<em>mem> writing a security syste<em>mem> that denies access to unauthorized users. 3 Answers 3 ...

I a<em>mem> using Bootstrap. 6 Answers 6 ...

I can't for the life of <em>mem>e find any decent explanation of the "[file]: needs update" <em>mem>essage that git so<em>mem>eti<em>mem>es spits out fro<em>mem> ti<em>mem>e to ti<em>mem>e. Even the official git FAQ has explaining this <em>mem>arked as a TODO. If so<em>mem>eone could explain A) what it <em>mem>eans; and B) how to fix it, I would be extre<em>mem>ely gratefu...

Is there a way to progra<em>mem><em>mem>atically fire a button click event? I have a button placed there in an UIView, and in a particular scenario i want to click the button via code, not <em>mem>anually as a user. Is it possible in iOS develop<em>mem>ent? Please provide your suggestions and guide <em>mem>e how to do that. ...

... If you <em>mem>ean File.separator and File.pathSeparator then: File.pathSeparator is used to separate individual file paths in a list of file paths. Consider on windows, the PATH environ<em>mem>ent variable. You use a ; to separate the file pat...

I have <em>mem>y business-logic i<em>mem>ple<em>mem>ented in si<em>mem>ple static classes with static <em>mem>ethods. Each of these <em>mem>ethods opens/closes SQL connection when called: ...

When I go to co<em>mem><em>mem>and <em>mem>ode and type 6 Answers 6 ...

I'<em>mem> using the SQLite with Android, and I want to know the best way to get the generated id of the row I inserted. 5 Answers...