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Real World Example of the Strategy Pattern
...he cipher.
I hope this helps.
( I don't even know if Cipher is the right word :P )
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What is the meaning and difference between subject, user and principal?
...ng to a human operator. The distinction is blurring over time because the words "user" or "user ID" are commonly interchanged with "account". However, when you need to make the distinction between the broad class of things that are principals and the subset of these that are interactive operators ...
Position an element relative to its container
...n:
position: relative will layout an element relative to itself. In other words, the elements is laid out in normal flow, then it is removed from normal flow and offset by whatever values you have specified (top, right, bottom, left). It's important to note that because it's removed from flow, othe...
How to save an activity state using save instance state?
... called in every situation as described
in its documentation.
In other words, put your save/restore code for persistent data in onPause() and onResume()!
EDIT: For further clarification, here's the onSaveInstanceState() documentation:
This method is called before an activity may be killed s...
Parse usable Street Address, City, State, Zip from a string [closed]
...s going to be the state, and it'll be either in a two-letter format, or as words. You know what these will be, too -- there's only 50 of them. Also, you could soundex the words to help compensate for spelling errors.
before that is the city, and it's probably on the same line as the state. You could...
What is Gradle in Android Studio?
...
This answer is completely wrong in the way it is worded. Gradle is the packaging tool that comes bundled with Android Studio, so what it takes care of is building the apk. The source code is always being built by the compiler and nothing else.
– Aut...
Does Java SE 8 have Pairs or Tuples?
... Pair<Integer, Integer> consumes three objects instead of two 32-bit words. Furthermore, these objects must reside on the heap and will incur GC overhead.
It would seem clear that, like Streams, it would be essential for there to be primitive specializations for Pairs. Do we want to see:
Pai...
When are you truly forced to use UUID as part of the design?
... possibility of collision, but that is not what UUIDs are for.
Anyways, a word on the probability of collision, taken from Wikipedia:
To put these numbers into perspective, one's annual risk of being hit
by a meteorite is estimated to be one chance in 17 billion, equivalent
to the odds of c...
How do you make a HTTP request with C++?
...nHost: " + url + "\r\nConnection: close\r\n\r\n";
if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0){
cout << "WSAStartup failed.\n";
system("pause");
//return 1;
}
Socket=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
host = gethostbyname(url.c_str());
...
What does multicore assembly language look like?
...that basically just works:
MOV ESI, ICR_LOW ; Load address of ICR low dword into ESI.
MOV EAX, 000C4500H ; Load ICR encoding for broadcast INIT IPI
; to all APs into EAX.
MOV [ESI], EAX ; Broadcast INIT IPI to all APs
; 10-millisecond delay loop.
MOV EAX, 000C46XXH ; L...