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Practical uses of different data structures [closed]

...they have a continuous memory for them: boolean, char, int, float, double, string. composite data structures are data structures that are composed of more than one primitive data types.class, structure, union, array/record. abstract datatypes are composite datatypes that have way to access them effi...
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Best practices for circular shift (rotate) operations in C++

...n-circular shifts work on that target. Current x86 compilers still use an extra instruction to mask a variable count for 8 and 16-bit rotates, probably for the same reason they don't avoid the AND on ARM. This is a missed optimization, because performance doesn't depend on the rotate count on any ...
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Checking network connection

...or as err: return False Currently, 216.58.192.142 is one of the IP addresses for google.com. Change http://216.58.192.142 to whatever site can be expected to respond quickly. This fixed IP will not map to google.com forever. So this code is not robust -- it will need constant maintenanc...
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Linux command to translate DomainName to IP [closed]

Is there any Linux command to translate domain name to IP? 2 Answers 2 ...
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What do people find difficult about C pointers? [closed]

...started working with them, the biggest problem I had was the syntax. int* ip; int * ip; int *ip; are all the same. but: int* ip1, ip2; //second one isn't a pointer! int *ip1, *ip2; Why? because the "pointer" part of the declaration belongs to the variable, and not the type. And then derefe...
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Possible reasons for timeout when trying to access EC2 instance

...he same problem, and the solution ended up being adding my local machine's IP to the list of inbound rules in the active security group. In the inbound dialog below, enter 22 in the port range, your local IP/32 in the source field, and leave 'custom tcp rule' in the dropdown. ...
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How can I list ALL DNS records?

... Oct 11 '13 at 18:30 denis phillipsdenis phillips 11.7k55 gold badges3030 silver badges4747 bronze badges ...
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Binding IIS Express to an IP Address [duplicate]

...twork. Out of the box it can do localhost but I am trying to bind it to an IP address. 5 Answers ...
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How to get the value from the GET parameters?

... JavaScript itself has nothing built in for handling query string parameters. Code running in a (modern) browser you can use the URL object (which is part of the APIs provided by browsers to JS): var url_string = "http://www.example.com/t.html?a=1&b=3&c=m2-m3-m4-m5"; /...
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Connect Device to Mac localhost Server? [closed]

How do I allow any device, e.g., iPhone, to connect over a WLAN to my Mac's localhost server? 14 Answers ...