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How to loop through an associative array and get the key? [duplicate]
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Nobody answered with regular for loop? Sometimes I find it more readable and prefer for over foreach
So here it is:
$array = array('key1' => 'value1', 'key2' => 'value2');
$keys = array_keys($array);
for($i=0; $i < count($keys); ++$i) {
echo $keys[$i] . ' ' . $array[$keys[$i]] . "...
How do I reverse an int array in Java?
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And I would like to put validData.length / 2 part to the outside of the for-loop.
– Jin Kwon
Mar 10 '14 at 3:28
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Do sealed classes really offer performance Benefits?
...ther.
There are complex rules regarding calling type, virtual/nonvirtual, and I don't know them all so I can't really outline them for you, but if you google for sealed classes and virtual methods you might find some articles on the topic.
Note that any kind of performance benefit you would obtain...
Remove .php extension with .htaccess
Yes, I've read the Apache manual and searched here. For some reason I simply cannot get this to work. The closest I've come is having it remove the extension, but it points back to the root directory. I want this to just work in the directory that contains the .htaccess file.
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Difference between .on('click') vs .click()
...s.
I would prefer .on over .click because the former can use less memory and work for dynamically added elements.
Consider the following html:
<html>
<button id="add">Add new</button>
<div id="container">
<button class="alert">alert!</button>
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How to overwrite the previous print to stdout in python?
...w that Python 2 is EOL, a Python 3 answer makes more sense. For Python 3.5 and earlier:
for x in range(10):
print('{}\r'.format(x), end="")
print()
In Python 3.6 and later, f-strings read better:
for x in range(10):
print(f'{x}\r', end="")
print()
Of course, as Tim Seguine points out in th...
Swift double to string
...ntrolled with the printf formatting options, see: String Format Specifiers and printf(3).
– zaph
Mar 21 '15 at 13:14
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How to change plot background color?
I am making a scatter plot in matplotlib and need to change the background of the actual plot to black. I know how to change the face color of the plot using:
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Difference between a Postback and a Callback
I keep on hearing this words ' callback ' and ' postback ' tossed around.
What is the difference between two ?
6 Answers...
Dependency Injection vs Factory Pattern
... when it comes to usage/design the difference between dependency injection and factory is blurred or thin.
28 Answers
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