May be you should have a look at the Pharo mooc. Because we spent 8 months producing videos. This is free and in two days you can cherry pick what you want. Students like it a lot.
Stef On Mon, Jun 19, 2017 at 1:39 AM, horrido <horrido.hobb...@gmail.com> wrote: > I didn't know about the Spotter. That is so frickin' cool!!! > > Thanks. > > > philippeback wrote >> Spotting for hex is hardly complex. >> >> Shift-Enter hex #im >> >> --> implementors of hex, first one I see is in ByteArray. >> >> Shit-Enter hex #se >> >> --> senders of hex. First one is a test in ByteArray >> >> testHex >> "self debug: #testHex" >> self assert: #[122 43 213 7] hex = '7a2bd507'. >> self assert: #[151 193 242 221 249 32 153 72 179 41 49 154 48 193 99 134] >> hex = '97c1f2ddf9209948b329319a30c16386'. >> self assert: (ByteArray readHexFrom: '7A2BD507') = #[122 43 213 7]. >> self assert: (ByteArray readHexFrom: '7a2bd507') = #[122 43 213 7]. >> >> From this test, one can spot readHexFrom: which uses lowercase or >> uppercase >> for reading. >> >> And asUppercase, Shift-Enter upper, scrolll down as bit, find >> String>>#asUppercase >> >> Spotter is really great at finding stuff, and coupled with tests and >> examples it helps in building understanding. >> >> Agreed, this is not the same as looking for stuff as in, say, Java or >> Python. I find it better in the long run still. >> >> Phil >> >> On Sat, Jun 17, 2017 at 9:23 PM, horrido < > >> horrido.hobbies@ > >> > wrote: >> >>> Message 'next' is not understood. >>> >>> But yes, >>> >>> UUID new hex asUppercase >>> >>> works fine. >>> >>> This is what happens when there is inadequate documentation: you end up >>> doing things the *hard* way. >>> >>> Thanks. >>> >>> >>> >>> Sven Van Caekenberghe-2 wrote >>> > Why not just >>> > >>> > UUIDGenerator default next hex asUppercase. >>> > >>> > Or even >>> > >>> > UUID new hex asUppercase. >>> > >>> > ? >>> > >>> > Since you are using #generateBytes:forVersion: (which is an internal >>> > method BTW), you must be working in an older Pharo image (older than >>> 6). >>> > We replaced the UUIDGenerator class, the class comment in from the >>> newer >>> > version. >>> > >>> >> On 17 Jun 2017, at 16:27, horrido < >>> >>> > horrido.hobbies@ >>> >>> > > wrote: >>> >> >>> >> Okay, I figured it out. Here's my method: >>> >> >>> >> generateUUID >>> >> | aStream hex s x | >>> >> hex := '0123456789ABCDEF'. >>> >> x := ByteArray new: 16. >>> >> UUIDGenerator default generateBytes: x forVersion: 4. >>> >> s := String new: 32. >>> >> aStream := WriteStream on: s. >>> >> x do: [ :each | aStream nextPut: (hex at: each // 16 + 1). >>> >> aStream nextPut: (hex at: each \\ 16 + 1) ]. >>> >> ^ s >>> >> >>> >> Works like a charm. It would've been nice if a similar example was >>> >> available >>> >> /somewhere/ on the web. >>> >> >>> >> >>> >> >>> >> -- >>> >> View this message in context: >>> >> http://forum.world.st/UUIDGenerator-tp4951725p4951731.html >>> >> Sent from the Pharo Smalltalk Users mailing list archive at >>> Nabble.com. >>> >> >>> >>> >>> >>> >>> >>> -- >>> View this message in context: http://forum.world.st/UUIDGenerator- >>> tp4951725p4951743.html >>> Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >>> >>> >>> > > > > > > -- > View this message in context: > http://forum.world.st/UUIDGenerator-tp4951725p4951844.html > Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com. >
