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Draw line in UIView

...Path(context); before CGContextMoveToPoint(...);? – i_am_jorf Nov 9 '11 at 18:38 37 Using a view ...
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Android ACTION_IMAGE_CAPTURE Intent

... the user take a new picture. It works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However, if we putExtra(EXTRA_OUTPUT,...) on the intent before starting it, everything works until you try to hit the "Ok" button in the camera app. The "Ok" button just do...
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JavaScript private methods

... prototype: function Restaurant() { var myPrivateVar; var private_stuff = function() { // Only visible inside Restaurant() myPrivateVar = "I can set this here!"; } this.use_restroom = function() { // use_restroom is visible to all private_stuff(); } this...
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Difference between “git checkout ” and “git checkout -​- ”

...ould normally discard uncommitted changes # to the _file_ "README" git checkout master # would normally switch the working copy to # the _branch_ "master" git checkout -- master # discard uncommitted changes to the _file_ "master" and option/f...
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Is there a difference between x++ and ++x in java?

... public class Y extends java.lang.Object{ public Y(); Code: 0: aload_0 1: invokespecial #1; //Method java/lang/Object."<init>":()V 4: return public static void main(java.lang.String[]); Code: 0: iconst_2 // Push int constant `2` onto the operand stack. 1: istor...
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trying to animate a constraint in swift

...t tapGesture = UITapGestureRecognizer(target: self, action: #selector(doIt(_:))) textView.addGestureRecognizer(tapGesture) } @objc func doIt(_ sender: UITapGestureRecognizer) { heightConstraint.constant = heightConstraint.constant == 50 ? 150 : 50 UIView.animate(with...
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Where can I get a list of Ansible pre-defined variables?

...n playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me? ...
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Client on node: Uncaught ReferenceError: require is not defined

...s now deprecated github.com/componentjs/component – i_emmanuel Jul 17 '17 at 12:35  |  show 6 more comments ...
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How can a Javascript object refer to values in itself? [duplicate]

...Vieira to this question explains it nicely. – samurai_jane Aug 6 at 19:09 add a comment ...
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Convert pem key to ssh-rsa format

...pub -i -mPKCS8 From the ssh-keygen docs (From man ssh-keygen): -m key_format Specify a key format for the -i (import) or -e (export) conversion options. The supported key formats are: “RFC4716” (RFC 4716/SSH2 public or private key), “PKCS8” (PEM PKCS8 public key) or “PEM” (PEM pub...