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.toArray(new MyClass[0]) or .toArray(new MyClass[myList.size()])?

...llection to an array: either using a pre-sized array (like c.toArray(new String[c.size()])) or using an empty array (like c.toArray(new String[0]). In older Java versions using pre-sized array was recommended, as the reflection call which is necessary to create an array of proper size ...
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How to combine date from one field with time from another field - MS SQL Server

... This saved me! I was converting both to chars and then concating and then back to DATETIME, but then I couldn't index it, because SQL said it was non-deterministic. This apparently IS deterministic!!! THANK !!! YOU !!! – eidylon ...
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C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?

...following types: bool, byte, char, double, float, int, long, sbyte, short, string, uint, ulong, ushort. The type object. The type System.Type. An enum type. (provided it has public accessibility and the types in which it is nested (if any) also have public accessibility) Single-dimensional...
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Auto layout constraints issue on iOS7 in UITableViewCell

...issue: - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { self = [super initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseIdentifier]; if (self) { self.contentView.autoresizingMask = UIViewAutoresizingFlexibleHeight|UIViewA...
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Does Java have something like C#'s ref and out keywords?

...u can simulate reference with wrappers. And do the following: void changeString( _<String> str ) { str.s("def"); } void testRef() { _<String> abc = new _<String>("abc"); changeString( abc ); out.println( abc ); // prints def } Out void setString( _<Strin...
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Can I use a function for a default value in MySql?

...m literal constant default values. CREATE TABLE t1 ( uuid_field VARCHAR(32) DEFAULT (uuid()), binary_uuid BINARY(16) DEFAULT (UUID_TO_BIN(UUID())) ); share | improve this answer ...
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Python: Tuples/dictionaries as keys, select, sort

... would be sqlite. You can keep the whole thing in memory by passing in the string ':memory:' instead of a filename. If you do want to continue down this path, you can do it with the extra attributes in the key or the value. However a dictionary can't be the key to a another dictionary, but a tuple ...
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Mongoose populate after save

...: 'User', get: get_creator, set: set_creator }, description: String, }); NOTE: I didn't test it and it might work strangely with .populate and when setting pure id. share | improve t...
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What's the difference between Task.Start/Wait and Async/Await?

...he calling thread will not block and continue executing. static void Main(string[] args) { WriteOutput("Program Begin"); // DoAsTask(); DoAsAsync(); WriteOutput("Program End"); Console.ReadLine(); } static void DoAsTask() { WriteOutput("1 - Starting"); var t = Task.Fact...
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What is a simple command line program or script to backup SQL server databases?

... the following to backup all Databases: Use Master Declare @ToExecute VarChar(8000) Select @ToExecute = Coalesce(@ToExecute + 'Backup Database ' + [Name] + ' To Disk = ''D:\Backups\Databases\' + [Name] + '.bak'' With Format;' + char(13),'') From Master..Sysdatabases Where [Name] Not In ('te...