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What is mutex and semaphore in Java ? What is the main difference?
What is mutex and semaphore in Java ? What is the main difference ?
11 Answers
11
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How to convert a Java 8 Stream to an Array?
What is the easiest/shortest way to convert a Java 8 Stream into an array?
10 Answers
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Reset keys of array elements in php?
The question is how to reset key e.g. for an array:
6 Answers
6
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How to redirect cin and cout to files?
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Here is an working example of what you want to do. Read the comments to know what each line in the code does. I've tested it on my pc with gcc 4.6.1; it works fine.
#include <iostream>
#include <fstream>
#include <string&...
Easiest way to open a download window without navigating away from the page
...:attachment in the headers) without navigating away from the current page, or opening popups, which doesn't work well in Internet Explorer(IE) 6.
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jQuery ajax error function
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The required parameters in an Ajax error function are jqXHR, exception and you can use it like below:
$.ajax({
url: 'some_unknown_page.html',
success: function (response) {
$('#post').html(response.responseText);
},
error: function (jqXHR...
PHP - Extracting a property from an array of objects
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If you have PHP 5.5 or later, the best way is to use the built in function array_column():
$idCats = array_column($cats, 'id');
But the son has to be an array or converted to an array
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Calling a Fragment method from a parent Activity
...reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() ."
12 Answers
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What are -moz- and -webkit-? [duplicate]
...was looking at some CSS code the other day, I found these lines. In the tutorials I used to learn CSS, I have never seen anything like these lines. Could someone please explain these lines to me or give me a source where I could learn to implement lines like these?
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How to open an elevated cmd using command line for Windows?
How do I open a elevated command prompt using command lines on a normal cmd?
22 Answers
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