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What is the easiest way to initialize a std::vector with hardcoded elements?
...= {16,2,77,29};
vector<int> vec (arr, arr + sizeof(arr) / sizeof(arr[0]) );
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How to convert string to Title Case in Python?
...eded).
– Andrew Clark
Dec 1 '11 at 20:10
18
For the record, a neater way to do the last CamelCase...
PHP: How to remove all non printable characters in a string?
I imagine I need to remove chars 0-31 and 127,
17 Answers
17
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How to convert string to char array in C++?
...
Simplest way I can think of doing it is:
string temp = "cat";
char tab2[1024];
strcpy(tab2, temp.c_str());
For safety, you might prefer:
string temp = "cat";
char tab2[1024];
strncpy(tab2, temp.c_str(), sizeof(tab2));
tab2[sizeof(tab2) - 1] = 0;
or could be in this fashion:
string temp = "ca...
Find first element by predicate
...imply do the following test:
List<Integer> list = Arrays.asList(1, 10, 3, 7, 5);
int a = list.stream()
.peek(num -> System.out.println("will filter " + num))
.filter(x -> x > 5)
.findFirst()
.get();
System.out.println(a);
Which output...
Explanation of strong and weak storage in iOS5
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509
The difference is that an object will be deallocated as soon as there are no strong pointers to...
What is the difference between a HashMap and a TreeMap? [duplicate]
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edited Mar 15 '10 at 0:08
answered Mar 15 '10 at 0:02
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To ternary or not to ternary? [closed]
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Use it for simple expressions only:
int a = (b > 10) ? c : d;
Don't chain or nest ternary operators as it hard to read and confusing:
int a = b > 10 ? c < 20 ? 50 : 80 : e == 2 ? 4 : 8;
Moreover, when using ternary operator, consider formatting the code in a way t...
How can I represent an 'Enum' in Python?
...gt;>> Numbers = enum('ZERO', 'ONE', 'TWO')
>>> Numbers.ZERO
0
>>> Numbers.ONE
1
Support for converting the values back to names can be added this way:
def enum(*sequential, **named):
enums = dict(zip(sequential, range(len(sequential))), **named)
reverse = dict((val...
What is the difference between Strategy pattern and Dependency Injection?
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109
DI and Strategy work in the same way, but Strategy is used for more fine-grained and short-live...