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How can I sort arrays and data in PHP?
...ion. The above sort and related functions work on simple values that they know how to compare and sort. PHP does not simply "know" what to do with a complex value like array('foo' => 'bar', 'baz' => 42) though; so you need to tell it.
To do that, you need to create a comparison function. That ...
Too much data with var_dump in symfony2 doctrine2
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With Symfony 2.6 you can now just use dump($var) in your controller and {{ dump(var) }} in twig.
Make sure to add this to your AppKernal.php file, in the array('dev', 'test') section.
$bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
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Code snippet or shortcut to create a constructor in Visual Studio
...out the quotes), IntelliSense should load, showing you "ctor" in the list. Now press TAB twice, and you should have generated an empty constructor.
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How can I list the contents of a directory in Python?
...go, pathlib has been added to Python. My preferred way to list a directory now usually involves the iterdir method on Path objects:
from pathlib import Path
print(*Path("/home/username/www/").iterdir(), sep="\n")
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Converting Integer to Long
...though you can convert from int to long. For an individual value which is known to be a number and you want to get the long value, you could use:
Number tmp = getValueByReflection(inv.var1(), classUnderTest, runtimeInstance);
Long value1 = tmp.longValue();
For arrays, it will be trickier...
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what is the difference between const_iterator and iterator? [duplicate]
...r (or dereferencing it) will probably trigger the copy. (Some obsolete and now disallowed implementations of std::string use COW.)
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Printing the last column of a line in a file
...e column may not appear in the window that raw tail gives you. Unless you know it is going to appear with a certain frequency, it would be safer to awk '/A1/ {print $NF}' file | tail -n1.
– Mitchell Tracy
Feb 8 '19 at 16:28
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Check if a value exists in ArrayList
...sedOnProp = selectedR.stream().map(Request::getDesc).anyMatch(cn::equals); now I need it to extract that item! is it possible ??
– maryem neyli
Jun 15 at 12:05
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What is (functional) reactive programming?
...Keep deconstructing into pieces that are more general/simple.
So that you know you're on solid ground, give the whole model a compositional foundation, using the technique of denotational semantics, which just means that (a) each type has a corresponding simple & precise mathematical type of "me...
PHP “pretty print” json_encode [duplicate]
I'm working on a script that creates a JSON file. Right now I'm just using json_encode (PHP 5.2.x) to encode an array into JSON output. Then I print the returned value to a file and save it. Problem is that the client wants to be able to open these JSON files for readability, so I'd like to add li...