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How to sort Map values by key in Java?
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Short answer
Use a TreeMap. This is precisely what it's for.
If this map is passed to you and you cannot determine the type, then you can do the following:
SortedSet<String> keys = new TreeSet<>(map.keySet());
for (String key : keys) {
String value = map.get(key);
/...
Convert PHP closing tag into comment
... you can put / and > in their own character class.
Fix using the /x modifier
The x modifier - aka PCRE_EXTENDED - ignores spaces and newlines in a regular expression (except when they occur inside a character class); this makes it possible to add spaces to separate the problematic characters. T...
Troubleshooting “Illegal mix of collations” error in mysql
... two strings of incompatible collation or by attempting to select data of different collation into a combined column.
The clause COLLATE allows you to specify the collation used in the query.
For example, the following WHERE clause will always give the error you posted:
WHERE 'A' COLLATE latin1_g...
C pointer to array/array of pointers disambiguation
What is the difference between the following declarations:
13 Answers
13
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Node.js version on the command line? (not the REPL)
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The command line for that is:
node -v
Or
node --version
Note:
If node -v doesn't work, but nodejs -v does, then something's not set up quite right on your system. See this other question for ways to fix it.
shar...
Inconsistent Accessibility: Parameter type is less accessible than method
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If sounds like the type ACTInterface is not public, but is using the default accessibility of either internal (if it is top-level) or private (if it is nested in another type).
Giving the type the public modifier would fix i...
MySQL Error 1093 - Can't specify target table for update in FROM clause
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Update: This answer covers the general error classification. For a more specific answer about how to best handle the OP's exact query, please see other answers to this question
In MySQL, you can't modify the same table which you use in the SELECT part.
This behaviour is doc...
Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)
...ne something like this:
_mockArticleDao = new Mock<ArticleDAO>();
If you want to keep it as so, you need to mark the GetArticle method virtual:
public class ArticleDAO : GenericNHibernateDAO(IArticle, int>, IArticleDAO
{
public virtual IArticle GetByTitle(string title)
{
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Android ViewPager - Show preview of page on left and right
...viewpager.setClipToPadding(false);
viewpager.setPadding(left,0,right,0);
If you need space between two pages in the viewpager then add
viewpager.setPageMargin(int);
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How can I open Windows Explorer to a certain directory from within a WPF app?
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note: It will throw an exception if it's not there. Try Process.Start("explorer", @"c:\test"); instead, if you don't want to handle the exception. It will open a default window. Often it will be better to handle the exception, however.
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