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Is there a common Java utility to break a list into batches?
I wrote myself a utility to break a list into batches of given size. I just wanted to know if there is already any apache commons util for this.
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Is there a range class in C++11 for use with range based for loops?
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There has been much progress lately to get ranges into the standard (N4128). See github.com/ericniebler/range-v3 for a proposal and reference implementation.
– Ela782
Feb 21 '15 at 19:27
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Parsing a comma-delimited std::string [duplicate]
...mbers, what's the simplest way to parse out the numbers and put them in an integer array?
18 Answers
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How to find all combinations of coins when given some dollar value
I found a piece of code that I was writing for interview prep few months ago.
35 Answers
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Format date to MM/dd/yyyy in JavaScript [duplicate]
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@Ore4444, you are converting month to string before you add 1, that's why @Code Monkey says you are returning 15 instead of six. It should be var month = (1 + date.getMonth()).toString();
– Moses Machua
J...
Why can I initialize a List like an array in C#?
...f the initializer.
Thus, these two blocks are roughly identical:
List<int> a = new List<int> { 1, 2, 3 };
And
List<int> temp = new List<int>();
temp.Add(1);
temp.Add(2);
temp.Add(3);
List<int> a = temp;
You can call an alternate constructor if you want, for examp...
Contains case insensitive
...r.search(new RegExp("Ral", "i")) == -1) { ...
It looks more elegant then converting the whole string to lower case and it may be more efficient.
With toLowerCase() the code have two pass over the string, one pass is on the entire string to convert it to lower case and another is to look for the d...
C++ sorting and keeping track of indexes
...alues) : _values(values) {} public: bool operator() (const int& a, const int& b) const { return (_values)[a] > (_values)[b]; } };
– Yoav
Oct 18 '12 at 7:47
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How to display long messages in logcat
...u want to log with String.subString() and log it in pieces. For example:
int maxLogSize = 1000;
for(int i = 0; i <= veryLongString.length() / maxLogSize; i++) {
int start = i * maxLogSize;
int end = (i+1) * maxLogSize;
end = end > veryLongString.length() ? veryLongString.length()...
How to iterate through SparseArray?
...iced the keyAt(index) function.
So I'll go with something like this:
for(int i = 0; i < sparseArray.size(); i++) {
int key = sparseArray.keyAt(i);
// get the object by the key.
Object obj = sparseArray.get(key);
}
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