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What is the difference between a mutable and immutable string in C#?
...e class string, once created, can never represent any value other than the one they were constructed with. All operations that seem to "change" a string instead produce a new one. This is inefficient with memory, but extremely useful with regard to being able to trust that a string won't change out ...
Create an Array of Arraylists
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As the others have mentioned it's probably better to use another list to store the ArrayList in but if you have to use an array:
ArrayList<Individual>[] group = (ArrayList<Individual>[])new ArrayList[4];
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Best explanation for languages without null
...so often when programmers are complaining about null errors/exceptions someone asks what we do without null.
11 Answers
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How to link to part of the same document in Markdown?
...as they please, which I found pretty simple. It should probably be git clone -ed into the lowest or outermost tmbundle directory, ~/Library/Application\ Support/TextMate/Bundles to simplify integration.
– applicative
May 14 '10 at 13:11
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How to change credentials for SVN repository in Eclipse?
...uments and Settings\%USER%\Application Data\Subversion\auth\svn.simple" in one of the files with a long HEX name. Opening them in notepad, locating the one with my colleagues credentials and deleting it solved the problem. Thanks for your help!
– Kirill Strizhak
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SQL-Server: Error - Exclusive access could not be obtained because the database is in use
I am actually trying to make a script (in Sql Server 2008) to restore one database from one backup file. I made the following code and I am getting an error -
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How to explain callbacks in plain english? How are they different from calling one function from ano
...to explain callbacks in plain English? How are they different from calling one function from another function taking some context from the calling function? How can their power be explained to a novice programmer?
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Mercurial - all files that changed in a changeset?
... too); 4. there are -a and -r flags which allow different filtering; 5. if one doesn't want the status prefix, there's -n option, which suppresses it.
– Michał Wróbel
Jan 26 '18 at 16:24
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Converting java.util.Properties to HashMap
...ing>. It is therefore incompatible.
You need to feed string properties one by one into your map...
For instance:
for (final String name: properties.stringPropertyNames())
map.put(name, properties.getProperty(name));
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Mapping many-to-many association table with extra column(s)
...d decompose the many to many association between User and Service into two OneToMany associations : One User has many UserServices, and one Service has many UserServices.
You haven't shown us the most important part : the mapping and initialization of the relationships between your entities (i.e. t...