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What is the difference between require_relative and require in Ruby?
...t is relative to the file containing the require_relative statement.
For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directory, then you might use a line like this in a test case:
require_relative "data/customer_data_1"
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abort: no username supplied (see “hg help config”)
I have added repository and at the time of commit I get error as
6 Answers
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Is MD5 still good enough to uniquely identify files?
...ood enough method to uniquely identify it given all the breaking of MD5 algorithm and security issues etc? Security is not my primary concern here, but uniquely identifying each file is.
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Circle-Rectangle collision detection (intersection)
...ith the rectangle:
Either the circle's centre lies inside the rectangle, or
One of the edges of the rectangle has a point in the circle.
Note that this does not require the rectangle to be axis-parallel.
(One way to see this: if none of the edges has a point in the circle (if all the edges a...
setResult does not work when BACK button pressed
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You need to overide the onBackPressed() method and set the result before the call to superclass, i.e
@Override
public void onBackPressed() {
Bundle bundle = new Bundle();
bundle.putString(FIELD_A, mA.getText().toString());
Intent mIntent = new Intent();
mIntent.putExtras(b...
How to replace (or strip) an extension from a filename in Python?
Is there a built-in function in Python that would replace (or remove, whatever) the extension of a filename (if it has one) ?
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Why can't I forward-declare a class in a namespace using double colons?
...o "reopen" the namespace again. You can define it in the global namespace (or any namespace enclosing your Namespace) as
class Namespace::Class {
/* whatever */
};
Since you are referring to an entity that has already been declared in namespace Namespace, you can use qualified name Namespace::C...
Using :before CSS pseudo element to add image to modal
...et image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly.
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How to automatically convert strongly typed enum into int?
...rongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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Instantiating a generic class in Java [duplicate]
I know Java's generics are somewhat inferior to .Net's.
10 Answers
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