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How can you use an object's property in a double-quoted string?
...ck); e.g.:
"`$HOME's value: `"$HOME`""
For anything else, including using array subscripts and accessing an object variable's properties, you must enclose the expression in $(...), the subexpression operator (e.g., "PS version: $($PSVersionTable.PSVersion)" or "1st el.: $($someArray[0])")
Using $...
XML Serialization - Disable rendering root element of array
...endering of root element of collection, you must replace the attribute [XmlArrayItem] with [XmlElement] in your code.
For removing the xsi and xsd namespaces, create an XmlSerializerNamespaces instance with an empty namespace and pass it when you need to serialize your object.
Take a look on this ...
What is console.log?
...wise the whole page will crash. Whether what you're logging is a variable, array, object or DOM element, it will give you a full breakdown including the prototype for the object as well (always interesting to have a poke around). You can also include as many arguments as you want, and they will be r...
Java, List only subdirectories from a directory, not files
... return new File(current, name).isDirectory();
}
});
System.out.println(Arrays.toString(directories));
Update
Comment from the author on this post wanted a faster way, great discussion here:
How to retrieve a list of directories QUICKLY in Java?
Basically:
If you control the file structure...
Loop through each row of a range in Excel
...ike to use the built in functionality of assigning a range to an multi-dim array (I guess it's also the JS Programmer in me).
I frequently write code like this:
Sub arrayBuilder()
myarray = Range("A1:D4")
'unlike most VBA Arrays, this array doesn't need to be declared and will be automatically d...
Using Linq to get the last N elements of a collection?
...lem with most enumerables; in fact, optimizations exist already for Lists, Arrays, and even EF queries to evaluate the Count() operation in O(1) time.
If, however, you must use a forward-only enumerable and would like to avoid making two passes, consider a one-pass algorithm like Lasse V. Karlsen o...
Django select only rows with duplicate field values
...an do something like this:
from django.contrib.postgres.aggregates import ArrayAgg
from django.db.models import Func, Value
duplicate_ids = (Literal.objects.values('name')
.annotate(ids=ArrayAgg('id'))
.annotate(c=Func('ids', Value(1), function='array_length'))
...
Two-way encryption: I need to store passwords that can be retrieved
...param string $key The supplied key to encrypt with
*
* @returns array An array of keys (a cipher key, a mac key, and a IV)
*/
protected function getKeys($salt, $key) {
$ivSize = mcrypt_get_iv_size($this->cipher, $this->mode);
$keySize = mcrypt_get_key_size($...
Jackson how to transform JsonNode to ArrayNode without casting?
...JsonNode has most of the functions that you would typically associate with array nodes from other API's. As such, you do not need to cast to an ArrayNode to use. Here's an example:
JSON:
{
"objects" : ["One", "Two", "Three"]
}
Code:
final String json = "{\"objects\" : [\"One\", \"Two\", \"T...
How to output numbers with leading zeros in JavaScript [duplicate]
...d(num, places) {
var zero = places - num.toString().length + 1;
return Array(+(zero > 0 && zero)).join("0") + num;
}
zeroPad(5, 2); // "05"
zeroPad(5, 4); // "0005"
zeroPad(5, 6); // "000005"
zeroPad(1234, 2); // "1234" :)
...