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run main class of Maven project [duplicate]
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You can also add -Dexec.classpathScope=test if the class is in the test directories
– M Smith
Mar 7 '14 at 22:47
1
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Is it safe to check floating point values for equality to 0?
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For your simple sample, that test is okay. But what about this:
bool b = ( 10.0 * .1 - 1.0 == 0.0 );
Remember that .1 is a repeating decimal in binary and can't be represented exactly. Then compare that to this code:
double d1 = 10.0 * .1; // make ...
Declaring Multiple Variables in JavaScript
...t point moot (as far as I can tell YUI will not do this, however I haven't tested extensively).
– bhuber
Feb 17 '14 at 15:58
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show 8 more c...
Understanding the main method of python [duplicate]
...alled from the command line. In many cases this is used for managing unit tests. If a particular file defines functionality which is only useful in the context of other components of a system then one can still use __name__ == "__main__" to isolate a block of code which calls a suite of unit tests...
Comments in Markdown
...atform-independent it also needs an empty line before the comment. See the tests: stackoverflow.com/a/32190021/2790048
– Nick Volynkin
Aug 24 '15 at 19:18
6
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Handling Dialogs in WPF with MVVM
...It is OK for a ViewModel to call a dialog directly. However, when you are testing a ViewModel , that means that the dialog will either pop up during your test, or fail all together (never really tried this).
So, what needs to happen is while testing is to use a "test" version of your dialog. Th...
MySQL: selecting rows where a column is null
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To search for column values that are NULL, you cannot use an expr = NULL test. The following statement returns no rows, because expr = NULL is never true for any expression
Solution
SELECT pid FROM planets WHERE userid IS NULL;
To test for NULL, use the IS NULL and IS NOT NULL operators.
opera...
How to properly reuse connection to Mongodb across NodeJs application and modules
...useNewUrlParser: true }, function( err, client ) {
_db = client.db('test_db');
return callback( err );
} );
},
getDb: function() {
return _db;
}
};
To use it, you would do this in your app.js:
var mongoUtil = require( 'mongoUtil' );
mongoUtil.connectToServer( function...
Is there a best practice for generating html with javascript
..., instead of the normal :
var s="";
for (var i=0; i < 200; ++i) {s += "testing"; }
use a temporary array:
var s=[];
for (var i=0; i < 200; ++i) { s.push("testing"); }
s = s.join("");
Using arrays is much faster, especially in IE. I did some testing with strings a while ago with IE7, Oper...
What is java interface equivalent in Ruby?
...ly the same as in Java: documentation.
Also, just like in Java, Acceptance Tests can be used to specify Interfaces as well.
In particular, in Ruby, the Interface of an object is determined by what it can do, not what class is is, or what module it mixes in. Any object that has a << method can ...