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In which scenario do I use a particular STL container?

... any, then a vector is what you want. It's the default replacement for a C array, and it works like one, but doesn't overflow. You can set its size beforehand as well with reserve(). If you want to store an undetermined number of objects, but you'll be adding them and deleting them, then you probab...
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Convert Enumeration to a Set/List

... How about this: Collections.list(Enumeration e) returns an ArrayList<T> share | improve this answer | follow | ...
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static allocation in java - heap, stack and permanent generation

... 2) All the information related to a class like name of the class, Object arrays associated with the class, internal objects used by JVM (like java/lang/Object) and optimization information goes into the Permanent Generation area. More or less, yes. I'm not sure what you mean by some of those th...
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How to set selected item of Spinner by value, not by position?

..."some value" in the Spinner use this: String compareValue = "some value"; ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.select_state, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); mSp...
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How can I convert an Integer to localized month name in Java?

... Do you not need 'month-1', since the array is zero based ? atomsfat wants 1 -> January etc. – Brian Agnew Jun 24 '09 at 14:04 7 ...
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Get cookie by name

... One approach, which avoids iterating over an array, would be: function getCookie(name) { const value = `; ${document.cookie}`; const parts = value.split(`; ${name}=`); if (parts.length === 2) return parts.pop().split(';').shift(); } Walkthrough Splitting a st...
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Is it better to use std::memcpy() or std::copy() in terms to performance?

...sts that std::copy could not use in my MD5 tests. In the SHA-2 tests, both arrays were created in the same function that called std::copy / memcpy. In my MD5 tests, one of the arrays was passed in to the function as a function parameter. I did a little bit more testing to see what I could do to mak...
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Get Base64 encode file-data from Input Form

...y: If you want to try it the hard way (or it doesn't work), look at readAsArrayBuffer(). This will give you a Uint8Array and you can use the method specified. This is probably only useful if you want to mess with the data itself, such as manipulating image data or doing other voodoo magic before yo...
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Shuffling a list of objects

... is there an option that doesn't mutate the original array but return a new shuffled array? – Charlie Parker Mar 29 '17 at 17:57 5 ...
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What's the cleanest way of applying map() to a dictionary in Swift?

...ng elements, grouping values (converting a collection into a dictionary of arrays, keyed by the result of mapping the collection over some function), and more. During discussion of the proposal, SE-0165, that introduced these features, I brought up this Stack Overflow answer several times, and I th...