New in v19 R Releases Part 2

Transcript

1. W E B I N A R W E E K 2 4D v19 R Release
2. 4D ϥϯήʔδ
3. ίϯϙʔωϯτͷΫϥεΛ ϗετ͔Β࢖༻
4. 4Dϥϯήʔδ - ίϯϙʔωϯτͷΫϥεΛϗετ͔Β࢖༻ ϓϩδΣΫτϞʔυ όΠφϦʔσʔλϕʔε 👍 利⽤不可 💧 cs.myClass.new()
5. 4Dϥϯήʔδ - ίϯϙʔωϯτͷΫϥεΛϗετ͔Β࢖༻ binary host project components cs.myClass.new() 👍
6. 4Dϥϯήʔδ - ίϯϙʔωϯτͷΫϥεΛϗετ͔Β࢖༻ cs.myComponents.myClass.new() බࣈ ໊લ No Conflict! ໊લۭؒ
7. 4Dϥϯήʔδ - ίϯϙʔωϯτͷΫϥεΛϗετ͔Β࢖༻
8. ϧʔϓɺධՁɺ ͦͯ͠ෳ߹୅ೖԋࢉࢠ
9. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ return continue break ϝιουͷ࣮ߦΛதࢭ͠ɺ ݺͼग़͠ݩͷϝιου΁ͱ੍ޚΛ໭͢ ࣮ߦதͷϧʔϓΛதࢭ͠ɺ ϧʔϓ௚ޙͷίʔυ΁ͱ࣮ߦΛਐΊΔ ࣮ߦதͷϧʔϓͷݱࡏͷճ͚ͩΛதࢭ͠ɺ ࣍ͷճͷϧʔϓ͔ΒίʔυΛ࠶։͢Δ
10. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ If ($value=1) & ($condition="good") If ($value=3) | ($condition="best") AND OR
11. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ If ($value=1) & ($condition="good") AND $value=3 False 👀
12. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ && || 必ずしも全ての オペランドを評価しない 式の値を返す ギ テ キ チ 新敵地 True/Falseじゃないの？ シンテキチ？ 義的⾎？何それ？ 全てを評価しないって どういうこと？
13. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ falsy(ِత஋) truthy(ਅత஋) False Null Undefined “”(ۭͷจࣈྻ) [](ۭͷίϨΫγϣϯ) {}(ۭͷΦϒδΣΫτ) NullΦϒδΣΫτ΄͔ ͦΕҎ֎ͷ஋ ਺஋ͷ0΋ؚΉ !00-00-00!(ۭͷ೔෇) ?00:00:00?͸ؚΉ
14. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ && || $result1:="Hello" && True && New object $result2:=False || 0 || Null AND OR
15. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ If ($entity#Null) //NullͰͳ͍͔νΣοΫ If ($entity.value>10) //ΤϯςΟςΟʹରͯ͠ॲཧΛ͢Δ End if End if
16. If (($entity#Null) && ($entity.value>10)) 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ ΤϯςΟςΟ͕NullͳΒ͜͜͸ νΣοΫ͕͞Εͳ͍ͷͰΤϥʔ͕ى͖ͳ͍ γϯϓϧʂ
17. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ var $phone : Text If ($employee.phone#Null) $phone:=$employee.phone Else $phone:="൪߸ͳ͠" End if
18. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ var $phone : Text $phone:=$employee.phone || "൪߸ͳ͠" 👍
19. Null 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ var $phone : Text $phone:=$employee.phone || "൪߸ͳ͠"
20. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ var $phone : Text $phone:=$employee.phone || "൪߸ͳ͠" γϯϓϧʂ “࢖͑Δ஋”͔Ͳ͏͔ =“࢖༻ੑ”Λݟ͍ͯΔ
21. falsyͷͱ͖ͷ஋ 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ ࡾ߲ԋࢉࢠ ৚݅ ? truthyͷͱ͖ͷ஋ : $category:=($person.age>12) ? "େਓ" : "খਓ" //$personΤϯςΟςΟͷage͕12Λ௒͍͑ͯΔ͔Ͳ͏͔Ͱ۠෼͕มΘΔ
22. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ $num:=$num+1 ෳ߹୅ೖԋࢉࢠ
23. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ $num+=1 $num-=4 $num*=3 $num/=2
24. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ $text:="Hello" $text+=" World!" //$textʹ͸"Hello World!"͕ೖΔ $date:=Current date $date+=3 //$dateʹ͸3೔ޙͷ೔෇͕ೖΔ $time:=Current time $time+=?01:00:00? //$timeʹ͸1࣌ؒޙͷ࣌ࠁ͕ೖΔ $time:=Current time $time-=100 //$timeʹ͸100ඵલͷ࣌ࠁ͕ೖΔ
25. 4Dϥϯήʔδ - ϧʔϓɺධՁɺͦͯ͠ෳ߹୅ೖԋࢉࢠ •return/break/continueʹΑΓແବͳίʔυΛݮΒ͢ •truthy/falsy͓Αͼ&&/||ʹΑͬͯγϯϓϧͳධՁΛՄೳʹ •γϯϓϧͳIf…Else͸ࡾ߲ԋࢉࢠʹஔ͖׵͑Մೳ •ෳ߹୅ೖԋࢉࢠͰ௚ײతʹՃݮ৐আ
26. Blobͱ4D.Blob ʙ৽࣌୅΁ʙ
27. 4Dϥϯήʔδ - Blobͱ4D.Blob Blob 4D.Blob มߋՄೳ͔Ͳ͏͔ มߋՄೳ มߋෆՄ όΠτʹΞΫηε͢ΔࡍͷύϑΥʔϚϯε ྑ͍ ѱ͍ ࠷େαΠζ 2 GB ϝϞϦ ϝιουͳͲʹࢀরͱͯ͠౉͠ ෆՄ Մೳ ΦϒδΣΫτ΍ίϨΫγϣϯͰڞ༗Մೳ ෆՄ Մೳʂ
28. 4Dϥϯήʔδ - Blobͱ4D.Blob Blob 4D.Blob มߋՄೳ͔Ͳ͏͔ มߋՄೳ มߋෆՄ όΠτʹΞΫηε͢ΔࡍͷύϑΥʔϚϯε ྑ͍ ѱ͍ ࠷େαΠζ 2 GB ϝϞϦ ϝιουͳͲʹࢀরͱͯ͠౉͠ ෆՄ Մೳ ΦϒδΣΫτ΍ίϨΫγϣϯͰڞ༗Մೳ ෆՄ Մೳʂ ΦϒδΣΫτʹ BlobΛؚΊΔ͜ͱ͕Ͱ͖Δʂ
29. 4Dϥϯήʔδ - Blobͱ4D.Blob DELETE FROM BLOB INSERT IN BLOB INTEGER TO BLOB LONGINT TO BLOB LIST TO BLOB REAL TO BLOB SET BLOB SIZE SOAP DECLARATION TEXT TO BLOB VARIABLE TO BLOB WEB SERVICE SET PARAMETER 4D.BlobΛαϙʔτ͠ͳ͍ίϚϯυ
30. Ⴀ໨ͤΑɺେ͖ͳ੔਺ ʙLongͷนΛ௒͑ͯʙ
31. 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ C_LONGINT($vLong) var $vlong : Integer 32 bit ± ਺஋ 2 ^ 31 -1 -(2 ^ 31) +1
32. 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ C_LONGINT($vLong) var $vlong : Integer 32 bit ± ਺஋ -2147483647 2147483647
33. 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ C_REAL($real) var $real : Real
34. 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ C_REAL($real) var $real : Real
35. 2 ^ 53 -1 -(2 ^ 53) +1 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ C_REAL($real) var $real : Real 64 bit ੔਺
36. -9,007,199,254,740,991 9,007,199,254,740,991 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ C_REAL($real) var $real : Real 64 bit ~ ੔਺
37. -9,007,199,254,740,991 9,007,199,254,740,991 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ C_REAL($real) var $real : Real 64 bit ~ ੔਺
38. 4Dϥϯήʔδ - Ⴀ໨ͤΑɺେ͖ͳ੔਺ •৽͍͠σʔλλΠϓ͕௥Ճ͞Εͨ༁Ͱ͸ͳ͍ •C_LONGINTɺC_REALͷ࣮૷͸Կ΋มΘ͍ͬͯͳ͍ •খ਺Λ࢖༻͍ͯ͠ͳ͍੔਺ʹݶΓѻ͍΍͘͢ͳͬͨ •ʮ16ܻҎ಺ʯͰ͸ͳ͘஋Λ௒͑ͳ͍͜ͱ 64 bitܕ੔਺ͷओΩʔΛ࣋ͭ֎෦DBͱͷ࿈ܞ 👍
39. 4Dϥϯήʔδ - ͦͷଞͷ৽ػೳ ϑΥʔϛϡϥΛίϨΫγϣϯ΍ίʔϧόοΫίϚϯυͰ࢖༻ LZMA: ৽͍͠ѹॖΞϧΰϦζϜ ౉͞Ε͍ͯͳ͍Ҿ਺ʹ΋ΞΫηε͢Δ
40. Thank you!