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Postgres dump of only parts of tables for a dev snapshot
...ction our database is a few hundred gigabytes in size. For development and testing, we need to create snapshots of this database that are functionally equivalent, but which are only 10 or 20 gigs in size.
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Eclipse: enable assertions
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If you want to solve this issue globally for all JUnit tests then go to Preferences > Java > JUnit and at the top click the checkbox for "Add 'ea' to VM arguments when creating new JUnit launch configuration" Now Eclipse won't bug you for every new test you want to run. For...
IntelliJ does not show 'Class' when we right click and select 'New'
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If it is your test directory, mark it as the Test Source Root (it will appear in green)
– Arnaud Denoyelle
Sep 17 '13 at 14:25
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Singleton: How should it be used
...ct of a type in system" - "...and never want to mock that object in a unit test."
– Cygon
Oct 19 '14 at 18:21
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POST data with request module on Node.JS
...type' : 'application/x-www-form-urlencoded'},
url: 'http://localhost/test2.php',
body: "mes=heydude"
}, function(error, response, body){
console.log(body);
});
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Passing arguments to C# generic new() of templated type
... question, but new answer ;-)
The ExpressionTree version: (I think the fastests and cleanest solution)
Like Welly Tambunan said, "we could also use expression tree to build the object"
This will generate a 'constructor' (function) for the type/parameters given. It returns a delegate and accept th...
Executing elements inserted with .innerHTML
...o it would look like this instead:
<img src="empty.gif" onload="alert('test');this.parentNode.removeChild(this);" />
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How do I determine scrollHeight?
...rollHeight is a regular javascript property so you don't need jQuery.
var test = document.getElementById("foo").scrollHeight;
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Getting Python error “from: can't read /var/mail/Bio”
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I ran into a similar error
"from: can't read /var/mail/django.test.utils"
when trying to run a command
>>> from django.test.utils import setup_test_environment
>>> setup_test_environment()
in the tutorial at https://docs.djangoproject.com/en/1.8/intro/tutorial05/
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Checking if an instance's class implements an interface?
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See: http://php.net/manual/en/function.class-implements.php
Performance Tests
Some simple performance tests show the costs of each approach:
Given an instance of an object
Object construction outside the loop (100,000 iterations)
____________________________________________
| class_implement...