[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"me":3,"catalog:tr:backend\u002Fgo-memory-performance":4,"config":251},null,{"field_key":5,"field_name":6,"seniority":7,"topic_key":8,"topic_name":9,"spec_key":7,"spec_name":7,"locale":10,"cell_total":11,"field_total":12,"seniorities":13,"topics":17,"specs":148,"samples":168},"backend","Backend","","go-memory-performance","Go Memory Performance","tr",75,3300,[14,15,16],"junior","mid","senior",[18,21,24,27,30,33,36,39,42,45,48,51,54,57,58,61,64,67,70,73,76,79,82,85,88,91,94,97,100,103,106,109,112,115,118,121,124,127,130,133,136,139,142,145],{"key":19,"name":20,"count":11},"api-design","API Tasarımı",{"key":22,"name":23,"count":11},"caching","Caching",{"key":25,"name":26,"count":11},"concurrency","Eşzamanlılık",{"key":28,"name":29,"count":11},"csharp-concurrency-async","Csharp Concurrency Async",{"key":31,"name":32,"count":11},"csharp-exceptions","Csharp Exceptions",{"key":34,"name":35,"count":11},"csharp-generics-interfaces","Csharp Generics Interfaces",{"key":37,"name":38,"count":11},"csharp-memory-performance","Csharp Memory Performance",{"key":40,"name":41,"count":11},"csharp-stdlib-http","Csharp Stdlib Http",{"key":43,"name":44,"count":11},"csharp-testing-tooling","Csharp Testing Tooling",{"key":46,"name":47,"count":11},"databases-sql","Veritabanı \u002F SQL",{"key":49,"name":50,"count":11},"go-concurrency","Go Concurrency",{"key":52,"name":53,"count":11},"go-errors","Go Errors",{"key":55,"name":56,"count":11},"go-interfaces-generics","Go Interfaces Generics",{"key":8,"name":9,"count":11},{"key":59,"name":60,"count":11},"go-stdlib-http","Go Stdlib Http",{"key":62,"name":63,"count":11},"go-testing-tooling","Go Testing Tooling",{"key":65,"name":66,"count":11},"java-concurrency","Java Concurrency",{"key":68,"name":69,"count":11},"java-exceptions","Java Exceptions",{"key":71,"name":72,"count":11},"java-generics-interfaces","Java Generics Interfaces",{"key":74,"name":75,"count":11},"java-memory-jvm","Java Memory Jvm",{"key":77,"name":78,"count":11},"java-stdlib-http","Java Stdlib Http",{"key":80,"name":81,"count":11},"java-testing-tooling","Java Testing Tooling",{"key":83,"name":84,"count":11},"messaging-queues","Mesajlaşma \u002F Kuyruklar",{"key":86,"name":87,"count":11},"networking-http","Ağ \u002F HTTP",{"key":89,"name":90,"count":11},"nodejs-error-handling","Nodejs Error Handling",{"key":92,"name":93,"count":11},"nodejs-event-loop-async","Nodejs Event Loop Async",{"key":95,"name":96,"count":11},"nodejs-memory-performance","Nodejs Memory Performance",{"key":98,"name":99,"count":11},"nodejs-modules-streams","Nodejs Modules Streams",{"key":101,"name":102,"count":11},"nodejs-stdlib-http","Nodejs Stdlib Http",{"key":104,"name":105,"count":11},"nodejs-testing-tooling","Nodejs Testing Tooling",{"key":107,"name":108,"count":11},"php-concurrency-async","Php Concurrency Async",{"key":110,"name":111,"count":11},"php-exceptions","Php Exceptions",{"key":113,"name":114,"count":11},"php-generics-interfaces","Php Generics Interfaces",{"key":116,"name":117,"count":11},"php-memory-performance","Php Memory Performance",{"key":119,"name":120,"count":11},"php-stdlib-http","Php Stdlib Http",{"key":122,"name":123,"count":11},"php-testing-tooling","Php Testing Tooling",{"key":125,"name":126,"count":11},"python-concurrency-async","Python Concurrency Async",{"key":128,"name":129,"count":11},"python-errors-context","Python Errors Context",{"key":131,"name":132,"count":11},"python-memory-performance","Python Memory Performance",{"key":134,"name":135,"count":11},"python-stdlib-http","Python Stdlib Http",{"key":137,"name":138,"count":11},"python-testing-tooling","Python Testing Tooling",{"key":140,"name":141,"count":11},"python-typing-oop","Python Typing Oop",{"key":143,"name":144,"count":11},"security","Güvenlik",{"key":146,"name":147,"count":11},"testing","Test",[149,153,156,159,162,165],{"key":150,"name":151,"count":152},"csharp","C#\u002F.NET",450,{"key":154,"name":155,"count":152},"go","Go",{"key":157,"name":158,"count":152},"java","Java",{"key":160,"name":161,"count":152},"nodejs","Node.js",{"key":163,"name":164,"count":152},"php","PHP",{"key":166,"name":167,"count":152},"python","Python",[169,187,201,212,225,238],{"id":170,"topic":9,"difficulty":171,"body":172,"options":173,"correct_key":178,"explanation":186},"019f5b0c-5b4f-7430-af11-8848c8335a41",1,"Go'da bir slice değeri; bir pointer, bir length ve bir capacity içeren küçük bir header'dır. Capacity neyi ifade eder?",[174,177,180,183],{"key":175,"text":176},"a","Slice içinde şu anda depolanan eleman sayısı, yani length ile aynı şey",{"key":178,"text":179},"b","Slice'ın başlangıcından itibaren alttaki dizide sığan eleman sayısı",{"key":181,"text":182},"c","Slice header'ının kendisi için ayrılan toplam bellek miktarı (byte cinsinden)",{"key":184,"text":185},"d","Go'nun herhangi bir slice'a izin verdiği azami eleman sayısı","Length, slice'ın şu an gösterdiği eleman sayısıdır. Capacity ise alttaki dizinin slice'ın başlangıcından itibaren ne kadar ileri gittiğidir; bu sayede append, capacity dolana kadar yeni dizi ayırmadan bu alana büyüyebilir.",{"id":188,"topic":9,"difficulty":189,"body":190,"options":191,"correct_key":175,"explanation":200},"019f5b0c-5b50-71c3-8a92-7ffa421e8184",2,"Bu program ne yazdırır?\n\n```go\na := make([]int, 3, 3)\na[0], a[1], a[2] = 1, 2, 3\nb := append(a, 4)\nb[0] = 99\nfmt.Println(a[0])\n```",[192,194,196,198],{"key":175,"text":193},"1",{"key":178,"text":195},"99",{"key":181,"text":197},"4",{"key":184,"text":199},"Bu kod derlenmez","a'nın length'i 3, capacity'si de 3'tür; yani zaten doludur. append(a, 4) büyüyecek yer bulamaz, bu yüzden Go, b için yepyeni bir alttaki dizi ayırıp elemanları oraya kopyalar. b ile a artık aynı belleği paylaşmaz, dolayısıyla b[0]'ı değiştirmek a[0]'ı etkilemez, o hâlâ 1'dir.",{"id":202,"topic":9,"difficulty":203,"body":204,"options":205,"correct_key":181,"explanation":211},"019f5b0c-5b50-7b05-9273-821589407121",3,"Bu program ne yazdırır?\n\n```go\na := make([]int, 3, 5)\na[0], a[1], a[2] = 1, 2, 3\nb := append(a, 4)\nb[0] = 99\nfmt.Println(a[0])\n```",[206,207,208,209],{"key":175,"text":193},{"key":178,"text":197},{"key":181,"text":195},{"key":184,"text":210},"panic: index out of range","a'nın length'i 3 ama capacity'si 5'tir; yani yeni dizi ayırmadan bir eleman daha için yer vardır. append(a, 4), b için aynı alttaki diziyi yeniden kullanır; yani a ile b aynı belleği paylaşır (alias). b[0] = 99 yazımı bu paylaşılan diziyi değiştirdiği için a[0] de 99 olur.",{"id":213,"topic":9,"difficulty":189,"body":214,"options":215,"correct_key":184,"explanation":224},"019f5b0c-5b51-73f3-9409-5cfeaa39f56a","Bu program ne yazdırır?\n\n```go\nnums := []int{10, 20, 30, 40, 50}\nsub := nums[1:3]\nsub[0] = 999\nfmt.Println(nums[1])\n```",[216,218,220,222],{"key":175,"text":217},"20",{"key":178,"text":219},"0",{"key":181,"text":221},"30",{"key":184,"text":223},"999","sub := nums[1:3] hiçbir elemanı kopyalamaz; nums ile aynı alttaki diziye, indeks 1'den başlayarak işaret eden yeni bir slice header'dır. sub[0], nums[1] ile tamamen aynı bellek hücresine karşılık gelir; bu yüzden sub üzerinden yapılan yazım nums'ta da görünür.",{"id":226,"topic":9,"difficulty":189,"body":227,"options":228,"correct_key":178,"explanation":237},"019f5b0c-5b51-7cc6-9e17-18a906237376","Bu program ne yazdırır?\n\n```go\nsrc := []int{1, 2, 3, 4, 5}\ndst := make([]int, 3)\nn := copy(dst, src)\nfmt.Println(n, dst)\n```",[229,231,233,235],{"key":175,"text":230},"5 [1 2 3 4 5]",{"key":178,"text":232},"3 [1 2 3]",{"key":181,"text":234},"3 [1 2 3 4 5]",{"key":184,"text":236},"5 [1 2 3]","copy(dst, src), min(len(dst), len(src)) kadar elemanı kopyalar ve bu sayıyı döndürür; dst'yi asla büyütmez. Burada len(dst) 3 olduğundan src'nin yalnızca ilk 3 elemanı kopyalanır ve copy 3 döndürür.",{"id":239,"topic":9,"difficulty":171,"body":240,"options":241,"correct_key":175,"explanation":250},"019f5b0c-5b52-7486-ae72-795b1df90e5e","Bir fonksiyon, ekstra bellek ayırımlarından kaçınmak için her çağrıda aynı alttaki depolamayı kullanarak boş bir slice'tan başlamak istiyor. Yeni bir dizi ayırmadan bunu sağlayan teknik hangisidir?",[242,244,246,248],{"key":175,"text":243},"`s = s[:0]` ile sıfırlamak; bu, aynı alttaki diziyi ve capacity'yi korurken length'i sıfıra ayarlar",{"key":178,"text":245},"`s = []int{}` ile yeniden atamak; bu, öncekiyle aynı dizi pointer'ının kullanılacağını garanti eder",{"key":181,"text":247},"Her seferinde `s = make([]int, 0)` çağırmak; bu her zaman önceki alttaki diziyi yeniden kullanır",{"key":184,"text":249},"`s = nil` yapıp bir sonraki `append`'in serbest bırakılan diziyi yeniden kullanmasına güvenmek","s[:0], s'i sıfır uzunluğa yeniden dilimler ama aynı pointer'ı ve capacity'yi korur; böylece sonraki append'ler yeni bir bellek ayırımına gerek kalmadan eski capacity'ye kadar mevcut alttaki diziyi kullanabilir. []int{} ve make([]int, 0) ise her seferinde bağımsız, yepyeni bir slice oluşturur.",{"fields":252,"seniorities":421,"interview_shapes":422,"locales":427,"oauth":429,"question_count":432,"coach_enabled":433,"jd_match_enabled":433},[253,264,284,300,324,337,356,375,395,402,408,415],{"key":5,"name_tr":6,"name_en":6,"sort":171,"specializations":254},[255,258,259,260,261,262,263],{"key":256,"name":257,"field":5},"general","Genel",{"key":154,"name":155,"field":5},{"key":166,"name":167,"field":5},{"key":157,"name":158,"field":5},{"key":150,"name":151,"field":5},{"key":160,"name":161,"field":5},{"key":163,"name":164,"field":5},{"key":265,"name_tr":266,"name_en":266,"sort":189,"specializations":267},"frontend","Frontend",[268,269,272,275,278,281],{"key":256,"name":257,"field":265},{"key":270,"name":271,"field":265},"javascript","JavaScript",{"key":273,"name":274,"field":265},"typescript","TypeScript",{"key":276,"name":277,"field":265},"react","React",{"key":279,"name":280,"field":265},"vue","Vue",{"key":282,"name":283,"field":265},"angular","Angular",{"key":285,"name_tr":286,"name_en":286,"sort":203,"specializations":287},"fullstack","Fullstack",[288,289,290,291,292,293,294,295,296,297,298,299],{"key":256,"name":257,"field":285},{"key":154,"name":155,"field":5},{"key":166,"name":167,"field":5},{"key":157,"name":158,"field":5},{"key":150,"name":151,"field":5},{"key":160,"name":161,"field":5},{"key":163,"name":164,"field":5},{"key":270,"name":271,"field":265},{"key":273,"name":274,"field":265},{"key":276,"name":277,"field":265},{"key":279,"name":280,"field":265},{"key":282,"name":283,"field":265},{"key":301,"name_tr":302,"name_en":302,"sort":303,"specializations":304},"devops-cloud","DevOps \u002F Cloud",4,[305,306,309,312,315,318,321],{"key":256,"name":257,"field":301},{"key":307,"name":308,"field":301},"aws","AWS",{"key":310,"name":311,"field":301},"gcp","GCP",{"key":313,"name":314,"field":301},"azure","Azure",{"key":316,"name":317,"field":301},"kubernetes","Kubernetes",{"key":319,"name":320,"field":301},"terraform","Terraform",{"key":322,"name":323,"field":301},"linux","Linux",{"key":325,"name_tr":326,"name_en":326,"sort":327,"specializations":328},"ai-engineer","AI Engineer",5,[329,330,331,334],{"key":256,"name":257,"field":325},{"key":166,"name":167,"field":325},{"key":332,"name":333,"field":325},"llm-rag","LLM\u002FRAG",{"key":335,"name":336,"field":325},"mlops","MLOps",{"key":338,"name_tr":339,"name_en":340,"sort":341,"specializations":342},"database","Veritabanı","Database",6,[343,344,347,350,353],{"key":256,"name":257,"field":338},{"key":345,"name":346,"field":338},"postgresql","PostgreSQL",{"key":348,"name":349,"field":338},"mysql","MySQL",{"key":351,"name":352,"field":338},"mongodb","MongoDB",{"key":354,"name":355,"field":338},"redis","Redis",{"key":357,"name_tr":358,"name_en":359,"sort":360,"specializations":361},"mobile","Mobil","Mobile",7,[362,363,366,369,372],{"key":256,"name":257,"field":357},{"key":364,"name":365,"field":357},"ios-swift","iOS (Swift)",{"key":367,"name":368,"field":357},"android-kotlin","Android (Kotlin)",{"key":370,"name":371,"field":357},"flutter","Flutter",{"key":373,"name":374,"field":357},"react-native","React Native",{"key":143,"name_tr":144,"name_en":376,"sort":377,"specializations":378},"Security",8,[379,380,383,386,389,392],{"key":256,"name":257,"field":143},{"key":381,"name":382,"field":143},"appsec","AppSec",{"key":384,"name":385,"field":143},"offensive-pentest","Offensive \u002F Pentest",{"key":387,"name":388,"field":143},"cloud-security","Cloud Security",{"key":390,"name":391,"field":143},"devsecops","DevSecOps",{"key":393,"name":394,"field":143},"blue-team-incident","Blue Team \u002F Incident",{"key":396,"name_tr":397,"name_en":398,"sort":399,"specializations":400},"qa-test-automation","QA \u002F Test Otomasyonu","QA \u002F Test Automation",9,[401],{"key":256,"name":257,"field":396},{"key":403,"name_tr":404,"name_en":404,"sort":405,"specializations":406},"data-engineer","Data Engineer",10,[407],{"key":256,"name":257,"field":403},{"key":409,"name_tr":410,"name_en":411,"sort":412,"specializations":413},"game-dev","Oyun Geliştirme","Game Development",11,[414],{"key":256,"name":257,"field":409},{"key":416,"name_tr":417,"name_en":417,"sort":418,"specializations":419},"ml-engineer","ML Engineer",12,[420],{"key":256,"name":257,"field":416},[14,15,16],{"junior":423,"mid":425,"senior":426},{"questions":424,"median_sec":3},20,{"questions":424,"median_sec":3},{"questions":424,"median_sec":3},[10,428],"en",[430,431],"google","github",21750,true]