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Allgemein > Default > Flashcards

Default Flashcards

0
Q

Trüffel in Farsi?

A

قارچ دنبلان

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1
Q

Wie heißt das traditionelle Brot von Äthiopien?

A

Injera

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2
Q

When was Hitlers suicide?

A

30 April 1945

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3
Q

When was Hitlers suicide?

A

30 April 1945

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4
Q

Name of first program that won top checker players

A

Chinook

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5
Q

Author of first go program able to beat beginners

A

Albert zobrist

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6
Q

Wer hat die Blindenschrift erfunden und wann?

A

Louise Braile. 1825

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7
Q

CRISP-DM Stands for?

A

Cross Industry Standard Process for Data Mining

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8
Q

In java: Are thrad names mutable or not?

A

They are mutable. Because there is a method called setName to change the name of threads

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9
Q

In Java: Can two threads have the same name?

A

Yes. Their name is not the identifier!

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10
Q

In R: Which command do we use to plot a bar chart?

A

barplot (x, xlab=””, ylab=””, names.arg= c(“”, ““,…))

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11
Q

Where did Babbage born?

A

In England

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12
Q

What was the motivation behind inventing the machine by Babbage?

A

He was working on creating tables for astronomy and based on the project on de Prony has wanted to divide the taks into small and simple tasks. De Prony’s idea was based on the economic ideas of Adam Smith. But even Adam Smith’s ideas were being replaced by machines. So Babbage decided to make tables through machines.

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13
Q

What was the name of Babbage’s machine?

A

Deference Engine

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14
Q

What was the difference between analytical engine and difference engine?

A

Analytical engine was capable to perform any mathematical operation. Something like todays computers. But difference engine was very limited.

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15
Q

Who was Herman Hollerith?

A

He was an engineer who recognized the need to use machines for census problem and created the Tabulating machine company. He also laid the foundations of IBM.

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16
Q

What was the idea of Herman Hollerith to solve the census problem?

A

Store data in punch cards and use machine to count them

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17
Q

De->De

Von wegen!

A

Auf keinen Fall!

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18
Q

De->Fa

Der Segen

A

نعمت / برکت

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19
Q

De->Fa

Der Kreißsaal

A

اتاق زایمان

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20
Q

De->De

beistehen

A

helfen, zur Seite stehen

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21
Q

De->Fa

Die Wehe

A

انقباضات رحمی

Zusammenziehung der Muskulatur der Gebärmutter bei der Geburt

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22
Q

De->De

Die Hebamme

A

staatlich geprüfte Geburtshelferin

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23
Q

De->De

dämmern

A

jemandem langsam klar werden, bewusst werden

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24
De->De | strampeln
(mit dem Rad) fahren
25
RabbitMQ | Declaring a queue is idempotent. What does it mean?
it will only be created if it doesn't exist already
26
Rabbit | What if a consumer dies? What will happen to the message?
Using acknowledgments the rabbit can see that consumer is dead and will assign the message to another consumer (using RoundRobin)
27
Rabbit | What will happen if rabbit itself fails? Do we loose queues and messages?
If we make it durable we will no loose anything.
28
iOS Programming | What do we mean when we say sending a message to an object?
It means calling a method of the object
29
iOS programming | What is the syntax for sending messages to objects?
[somePerson sayHello] calling the sayHello method of the object somePerson
30
In which year did Donald Knuth publish TeX 1.0?
1982
31
RabbitMQ | What is the publish/subscribe pattern?
All consumers, consume the same messages
32
RabbitMQ | What are exchanges?
They are very similar to queus. They receve the messages from producer and put them into the queues.
33
RabbitMQ | What is a fanout exchange?
It broadcasts all the messages to all the queues it knows
34
RabbitMQ | What is a direct exchange?
a message goes to the queues whose binding key exactly matches the routing key of the message.
35
RabbitMQ | What is a topic queue?
It is very similar to a direct exchange. With topic exchange multiple routing keys can be modelled. Like x.y.z They must be separated by dot.
36
Fa-De | سنگ کیسه صفرا
Der Gallenstein
37
De->De | Die Yacht
schnelles [Segel]schiff für Sport, Erholung, Kreuzfahrten u. Ä.
38
De->De | Der Hafen
بندر
39
De->De | ocker (adj)
gelbbraun
40
De->Fa | Der Klumpen
توده/غده/بر آمدگی
41
Fa->De | کیسه صفرا
Gallenblase
42
Git | how to add a local repository to a remote repository?
git remote add origin remote repository URL
43
Git | How do I find the commit that caused problems?
find a good commit (you think everthing works here) and find a bad commit (the position that is not working). git bisect start git bisect good [hash] git bisect bad [hash] git makes a binary search and checks out the middle commit. It it was not the problem use git bisect good or if it was, use git bisect bad. Continue till u find the bad commit. git bisect reset to checkout master
44
De->De | Heu­schnup­fen, der
durch Überempfindlichkeit gegenüber Blütenstaub hervorgerufene allergische Erkrankung, die sich in heftigem Niesen sowie durch Jucken, Brennen und Tränen der Augen äußert
45
De->De | ich kribb[e]le; es kribbelt mich; es kribbelt und krabbelt
von einem prickelnden Gefühl befallen sein, jucken
46
De->Fa | Die Hasel
درخت فندوق
47
De->Fa | Ha­sel­nuss, die
فندوق
48
De->De | Pol­len, der
Blütenstaub
49
angularjs | What is a directive ?
Is an extension of the HTML vocabulary which allow to create new and reusable behaviour
50
angularjs | What is the ngApp directive?
We define the app usng this directive. Using we put it in html element.
51
angularjs | What is the role of the ngController directive?
It attaches a controller to the view so that thex share the same scope
52
angularjs | Is it necessary to use ngController directive when using the $route service?
No. It is not needed
53
angularjs | What is the role of the ngBind directive?
Is usually applied to a span element and replaces it content with the specified scope variable. ALternative use {{scopeVariable}}...

54
angularjs | How to bind html content?
use ng-bind-html
55
angularjs | What is the ng-repeat directive?
to iterate over an object. car in cars in the general syntax. variable in array
56
angularjs | What is the role of the ng-model directive?
It attaches an element to a property in the scope
57
``` angularjs What is the role of ng-class directive? ```
is used every time you need to dynamically apply a class to an element by providing the name of the class in a data-binding expression
58
angularjs | What is the role of ng-show directive?
changes the visibility of an element based on its display property
59
Whatis the difference between terminal and shell?
Terminal is the name of the application where you type your commands but shell is the name of the interpreter. Bash is an implementation of shell.
60
Who were the authors of principia mathematica?
Bertrand Russell and Alfred Whitehead
61
En->En | lynching
to put to death especially by hanging without legal authority
62
What is the translation of deja vu from french?
already seen
63
Which package should I use in Latex to avoid text overflow the margins?
\usepackage{microtype}
64
What is the difference between a LinkedHashMap and a TreeMap?
A LinkedHashMap keeps the keys in the order they were inserted, while a TreeMap is kept sorted via a Comparator or the natural Comparable ordering of the elements.
65
How to clear the current line in terminal from the position of the courser to the begin of the line?
Ctrl + u
66
how to delete words backwards one by one using the terminal?
Ctrl +w
67
What is a strongly connected graph?
A directed graph is said to be strongly connected if we can reach any vertex from every other vertex in the given graph.
68
Is Redis a NoSQL data base?
yes
69
How to store a key/value set in redis?
SET key value
70
How to get the value of a key?
GET key
71
how to delete a key with its associated value in redis?
DEL key
72
How to increment the integer stored in a key in redis?
INCR key
73
Why do we have a INCR command in redis? We could instead use: x = GET count x = x + 1 SET count x
This will work if we have only one client. INCR should be an atomic operation. So that if one client uses it, others are blocked.
74
How to set a expire time for a key in redis?
EXPIRE key seconds
75
How to get the time to live (TTL) of a key?
TTL key
76
What does a value of -1 for TTL mean?
Key will never expire
77
What does a value of -2 for TTL mean?
key does not exist anymore
78
Redis | Can a key be also a list?
yes
79
Redis | How to push an element to the left of a key which is a list?
LPUSH key element
80
Redis | How to push an element to the right of a key which is a list?
RPUSH key element
81
Redis | How to get elements of a list key in a specific range?
LRANGE key startIndex endIndex
82
Redis | How to get the length of a key which is a list?
LLENGTH key
83
Redis | How to remove the first element of a key which is a list?
LPOP key
84
Redis | How to remove the last key of a key which is a list?
RPOP key
85
Redis | Can a key also be a set?
yes
86
Redis | How to add values to a key which is a set?
SADD key element
87
Redis | How to remove an element from a set?
SREM key element
88
Redis | How to test if an element is in the set or not?
SISMEMBER key element | returns 0 or 1
89
Redis | How to get all memebers of a key set?
SMEMBERS key
90
Redis | How to get the union of two sets?
SUNION key1 key2
91
Redis | Do we also have sorted sets in redis?
yes!
92
Redis | How to add values to a sorted set?
ZADD key score element | score is an integer to sort the set
93
What is demand paging in operating systems?
A process is devided into several pages and is put on the disk and only required pages will be put into memory on demand.
94
What are autoencoders in machine learning?
A neural network based unsupervised algorithm for dimensionality reduction. Like PCA
95
Who is credited for coining the term "data science"?
Dj Patil
96
Ruby | How to check if a number is even?
2.even? | returns true or false
97
Ruby | How to get the consecutive number of a number x?
2.next | returns 2
98
Ruby | How to see all the methods of an object?
1.methods | returns all the methods of object 1
99
Ruby | How do we define regular expressions in ruby?
By putting it between a pair of regular slashes | 'RubyMonk'.gsub(/[aeiou]/,'1')

Allgemein (2 decks)

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