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Difference between object and class in Scala
I'm just going over some Scala tutorials on the Internet and have noticed in some examples an object is declared at the start of the example.
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EF Code First foreign key without navigation property
...-IgnoreChanges SomeNewSchemaName. The migration will only contain empty Up and Down methods in this case.
Then you can modify the Up method by adding the follwing to it:
public override void Up()
{
// other stuff...
AddForeignKey("ChildTableName", "ParentId", "ParentTableName", "Id",
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How to insert element into arrays at specific position?
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array_slice() can be used to extract parts of the array, and the union array operator (+) can recombine the parts.
$res = array_slice($array, 0, 3, true) +
array("my_key" => "my_value") +
array_slice($array, 3, count($array)-3, true);
This example:
$array = array(
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Where is the “Fold” LINQ Extension Method?
... prod * next);
See MSDN for more information. It lets you specify a seed and then an expression to calculate successive values.
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Useful example of a shutdown hook in Java?
...ying to make sure my Java application takes reasonable steps to be robust, and part of that involves shutting down gracefully. I am reading about shutdown hooks and I don't actually get how to make use of them in practice.
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How do I revert all local changes in Git managed project to previous state?
...everal commits, I did git status which told me everything was up to date and there were no local changes.
14 Answers
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How to create id with AUTO_INCREMENT on Oracle?
It appears that there is no concept of AUTO_INCREMENT in Oracle, up until and including version 11g.
16 Answers
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Why does Git treat this text file as a binary file?
...most but not completely not wrong. Git did have inspected the actual files and have seen 'funny' characters there. However it does not "think" UTF-16 is binary. It is binary, because text is defined as ASCII-based (that's the only thing the built-in diff will give usable results for) and UTF-16 is n...
ASP.NET MVC passing an ID in an ActionLink to the controller
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How do you loop through each line in a text file using a windows batch file?
...ow how to loop through each line in a text file using a Windows batch file and process each line of text in succession.
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