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public friend swap member function
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f5695548%2fpublic-friend-swap-member-function%23new-answer', 'question_page');
}
);
...
Collections.emptyList() vs. new instance
...plicitly state differently.
In addition, emptyList() might not create a new object with each call.
Implementations of this method need not create a separate List object for each call. Using this method is likely to have comparable cost to using the like-named field. (Unlike this method, the f...
Can't install PIL after Mac OS X 10.9
...o pip install pil
UPDATE:
But there is more correct solution below, provided by Will.
open your terminal and execute:
xcode-select --install
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Converting a Java collection into a Scala collection
Related to Stack Overflow question Scala equivalent of new HashSet(Collection) , how do I convert a Java collection ( java.util.List say) into a Scala collection List ?
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Spring MVC: How to return image in @ResponseBody?
...
if you are using Spring version of 3.1 or newer you can specify "produces" in @RequestMapping annotation. Example below works for me out of box. No need of register converter or anything else if you have web mvc enabled (@EnableWebMvc).
@ResponseBody
@RequestMapping...
How to get month name from Calendar
...int num) {
String month = "wrong";
DateFormatSymbols dfs = new DateFormatSymbols();
String[] months = dfs.getMonths();
if (num >= 0 && num <= 11 ) {
month = months[num];
}
return month;
}
...
Android: ScrollView force to bottom
... to inflate fully, just simplifying ademar answer. scrollView.postDelayed(new Runnable() { @Override public void run() { scrollView.fullScroll(View.FOCUS_UP // Or Down); } }, 1000);
– EngineSense
De...
Converting a List to a comma separated string
...
Simple solution is
List<int> list = new List<int>() {1,2,3};
string.Join<int>(",", list)
I used it just now in my code, working funtastic.
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How to avoid reverse engineering of an APK file?
... permanent damage outside the bounds of that single machine).
You already knew all this; that's why you're trying to protect the code of your application. But, therein lies the first problem; obfuscation tools can make the code a mess for a human to try to dig through, but the program still has to r...
Group a list of objects by an attribute : Java
... locationID as key.
HashMap<Integer, List<Student>> hashMap = new HashMap<Integer, List<Student>>();
Iterate over this code and add students to the HashMap:
if (!hashMap.containsKey(locationId)) {
List<Student> list = new ArrayList<Student>();
list.add...