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Programmatically find the number of cores on a machine

... BullyWiiPlaza 10.9k66 gold badges7171 silver badges106106 bronze badges answered Sep 29 '08 at 22:14 paxos1977paxos1977...
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Inserting multiple rows in a single SQL query? [duplicate]

...S ( Value1, Value2 ), ( Value1, Value2 ) For reference to this have a look at MOC Course 2778A - Writing SQL Queries in SQL Server 2008. For example: INSERT INTO MyTable ( Column1, Column2, Column3 ) VALUES ('John', 123, 'Lloyds Office'), ('Jane', 124, 'Lloyds Office'), ('Billy', 125, ...
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What's wrong with Java Date & Time API? [closed]

Very often I come across negative feedback on Java Date and other date-time-related classes. Being a .NET developer, I cannot fully (without having used them) understand, what's actually wrong with them. ...
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How to convert a JSON string to a Map with Jackson JSON

I'm trying to do something like this but it doesn't work: 10 Answers 10 ...
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How to calculate an angle from three points? [closed]

...the angle that P1 is the vertex of then using the Law of Cosines should work: arccos((P122 + P132 - P232) / (2 * P12 * P13)) where P12 is the length of the segment from P1 to P2, calculated by sqrt((P1x - P2x)2 + (P1y - P2y)2) ...
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What does “=>” mean in PHP?

...or associative arrays. In the context of that foreach loop, it assigns the key of the array to $user and the value to $pass. Example: $user_list = array( 'dave' => 'apassword', 'steve' => 'secr3t' ); foreach ($user_list as $user => $pass) { echo "{$user}'s pass is: {$pass}\n"...
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Dealing with commas in a CSV file

I am looking for suggestions on how to handle a csv file that is being created, then uploaded by our customers, and that may have a comma in a value, like a company name. ...
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How can I get the current user directory?

... May be this will be a good solution: taking in account whether this is Vista/Win7 or XP and without using environment variables: string path = Directory.GetParent(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData)).FullName; if ( Environment.OSV...
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JUnit 4 compare Sets

... You can assert that the two Sets are equal to one another, which invokes the Set equals() method. public class SimpleTest { private Set<String> setA; private Set<String> setB; @Before public void setUp() { setA = new HashSet<String>(); setA....
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No empty constructor when create a service

... You need to add an empty constructor to your class i.e. one that takes no arguments: public ReminderService() { super("ReminderService"); } Explanation from the documentation: The name is used to name the worker thread. NOTE: this is only applicable to intent service. ...