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Cryptography
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Games
Tutorials
98 Kata Found
6 kyu
Object-Oriented PHP #9 - Abstract Classes [Advanced]
631
donaldsebleung
Object-oriented Programming
Fundamentals
Tutorials
7 kyu
Training Time
3,743
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
5 kyu
Object-Oriented PHP #10 - Objects on the Fly [Advanced]
388
donaldsebleung
1 Issue Reported
Object-oriented Programming
Fundamentals
Tutorials
6 kyu
PHP Functions - Return Type Declarations
298
donaldsebleung
Fundamentals
Tutorials
7 kyu
PHP Functions - Type Declarations
433
donaldsebleung
Fundamentals
Tutorials
7 kyu
Training JS #20: Methods of String object--charAt() charCodeAt() and fromCharCode()
2,383
myjinxin2015
Fundamentals
Tutorials
7 kyu
Training JS #19: Methods of String object--toUpperCase() toLowerCase() and replace()
5,062
myjinxin2015
Fundamentals
Tutorials
7 kyu
PHP Functions - Anonymous Functions (aka Closures)
467
donaldsebleung
Fundamentals
Tutorials
5 kyu
Binary Genetic Algorithms
1,705
eugene-bulkin
6 Issues Reported
Genetic Algorithms
Machine Learning
Fundamentals
Data Science
Tutorials
8 kyu
Training JS #16: Methods of String object--slice(), substring() and substr()
7,680
myjinxin2015
Fundamentals
Tutorials
8 kyu
Training JS #10: loop statement --for
15,647
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
8 kyu
Training JS #11: loop statement --break,continue
10,933
myjinxin2015
Fundamentals
Tutorials
8 kyu
Training JS #4: Basic data types--Array
22,880
myjinxin2015
2 Issues Reported
Fundamentals
Tutorials
8 kyu
Training JS #5: Basic data types--Object
24,374
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
2 kyu
Algebraic Isomorphism
549
lolisa
Functional Programming
Fundamentals
Tutorials
Beta
The Blues Harmonica Sequencer
2
dfhwze
Status:
Testing & feedback needed
Fundamentals
Tutorials
ASCII Art
Regular Expressions
8 kyu
Training JS #7: if..else and ternary operator
43,417
myjinxin2015
Fundamentals
Tutorials
8 kyu
Training JS #15: Methods of Number object--toFixed(), toExponential() and toPrecision()
7,285
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
8 kyu
Training JS #3: Basic data types--String
22,720
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
7 kyu
Learning TypeScript. Mixins
282
vguzev
1 Issue Reported
Fundamentals
Tutorials
8 kyu
Training JS #29: methods of arrayObject---concat() and join()
5,531
myjinxin2015
Fundamentals
Tutorials
7 kyu
Training JS #37: Unlock new weapon---RegExp Object
1,794
myjinxin2015
Fundamentals
Regular Expressions
Tutorials
7 kyu
Training JS #25: methods of arrayObject---reverse() and sort()
1,933
myjinxin2015
Fundamentals
Tutorials
Arrays
Sorting
8 kyu
Training JS #18: Methods of String object--concat() split() and its good friend join()
11,203
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
Beta
Various Assignments
10
LegendaryFartMaster
1 Issue Reported
Status:
Waiting for issues to be resolved
Estimated Rank:
7 kyu
Fundamentals
Tutorials
Beta
Playing chords on guitar
7
mauro-1
Status:
Ranking feedback needed
Estimated Rank:
5 kyu
Combinatorics
Mathematics
Tutorials
Logic
Fundamentals
8 kyu
Training JS #1: create your first JS function and print "Hello World!"
40,263
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
8 kyu
Training JS #2: Basic data types--Number
28,161
myjinxin2015
2 Issues Reported
Fundamentals
Tutorials
8 kyu
Training JS #12: loop statement --for..in and for..of
11,412
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
8 kyu
Training JS #9: loop statement --while and do..while
12,282
myjinxin2015
1 Issue Reported
Fundamentals
Tutorials
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