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PHP function overloading
...------------------------------------------
#> 5. create your object
// Start
$t = new test;
#> 6. Call your method
// Call first method with no args:
$t->func();
// Output: func(void)
$t->func($val);
// Output: func(integer 10)
$t->func("hello");
// Output: func(string hello)
$...
Bash if [ false ] ; returns true
...strings. [[ x ]] is equivalent to [[ -n x ]] for any string x that doesn't start with a hyphen. bash doesn't have any Boolean constants in any context. Strings that look like integers are treated as such inside (( ... )) or with operators such as -eq or -lt inside [[ ... ]].
– ...
Convert Python dictionary to JSON array
...odeDecodeError: 'utf8' codec can't decode byte 0xff in position 0: invalid start byte
Ultimately you can't store raw bytes in a JSON document, so you'll want to use some means of unambiguously encoding a sequence of arbitrary bytes as an ASCII string - such as base64.
>>> import json
>...
What is the “right” way to iterate through an array in Ruby?
..., but don't worry, you can get by without knowing all of them. But as you start to learn and use the different methods, your code will become cleaner and clearer, and you'll be on your way to Ruby mastery.
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PHP's array_map including keys
... without splitting the keys and values. Using the function supplied at the start of this answer:
$test_array = ["first_key" => "first_value",
"second_key" => "second_value"];
$array_map_assoc = function (callable $f, array $a) {
return array_column(array_map($f, array_keys(...
How to define different dependencies for different product flavors
... the xxxCompile closures Gradle generates will not work if the flavor name starts with a capital letter.
– Jarett Millard
Jan 21 '15 at 17:44
2
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How to Create Deterministic Guids
...hat the original poster is after. UUID already has an algorithm for you to start with a string and convert it into a GUID. UUID version 3 hashes the string with MD5, while version 5 hashes it with SHA1. The important point in creating a "guid" is to makes it "unique" against other GUIDs. The algorit...
Check for column name in a SqlDataReader object
...ngeException)
{
return false;
}
}
Edit
Ok, this post is starting to garner a few down-votes lately, and I can't delete it because it's the accepted answer, so I'm going to update it and (I hope) try to justify the use of exception handling as control flow.
The other way of achiev...
How to reference generic classes and methods in xml documentation
...ntation, then insert the code you want to work out a link for, and put the start of an XML doc comment on it (///):
namespace Test
{
public class FancyClass<T>
{
///
public string FancyMethod<K>(T value) { return "something fancy"; }
}
public class Test
...
Landscape printing from HTML
...election of landscape or portrait in print preview (only the browser is re-started).
This article does have some suggested work arounds using JavaScript or ActiveX that send keys to the users browser although it they are not ideal and rely on changing the browsers security settings.
Alternately y...