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How to clone a Date object?
Assigning a Date variable to another one will copy the reference to the same instance. This means that changing one will change the other.
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What's the main difference between Java SE and Java EE? [duplicate]
... changes. Java EE has access to all of the SE libraries. However EE adds a set of libraries for dealing with enterprise applications.
Java EE is more like a "platform" or an general area of development.
In Java SE you write applications that run as standalone java programs or as Applets. In JavaEE...
Specifying column name in a “references” migration
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Initial Definition:
If you are defining your Post model table, you can set references, index and foreign_key in one line:
t.references :author, index: true, foreign_key: { to_table: :users }
Update Existing:
If you are adding references to an existing table, you can do this:
add_reference...
How to access command line arguments of the caller inside a function?
I'm attempting to write a function in bash that will access the scripts command line arguments, but they are replaced with the positional arguments to the function. Is there any way for the function to access the command line arguments if they aren't passed in explicitly?
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CSS: center element within a element
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Set text-align:center; to the parent div, and margin:auto; to the child div.
#parent {
text-align:center;
background-color:blue;
height:400px;
width:600px;
}
.block {
height:100px;
width:2...
C# namespace alias - what's the point?
Where or when would one would use namespace aliasing like
11 Answers
11
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Error: Could not find or load main class [duplicate]
I am having trouble compiling and running my Java code, intended to allow me to interface Java with a shared object for Vensim, a simulation modeling package.
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JavaScript - get the first day of the week from current date
... day + (day == 0 ? -6:1); // adjust when day is sunday
return new Date(d.setDate(diff));
}
getMonday(new Date()); // Mon Nov 08 2010
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Why doesn't JavaScript have a last method? [closed]
...ue,
get: function() {
return this[this.length - 1];
},
set: undefined
});
var arr = [1, 2, 5];
arr.last; // 5
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Print array to a file
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Either var_export or set print_r to return the output instead of printing it.
Example from PHP manual
$b = array (
'm' => 'monkey',
'foo' => 'bar',
'x' => array ('x', 'y', 'z'));
$results = print_r($b, true); // $results...