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is_file or file_exists in PHP
...rk to work, m>y m>ou should add clearstatcache(); since the results for is_file m>and m> file_exists are cached throughout the script. Anm>y m>wam>y m>s file_exists() is a bit slower, but shouldn't make anm>y m> difference unless m>y m>ou perform around 100K file checks. php.net/manual/en/function.clearstatcache.php
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Throwing the fattest people off of an overloaded airplane.
Let's sam>y m> m>y m>ou've got an airplane, m>and m> it is low on fuel. Unless the plane drops 3000 pounds of passenger weight, it will not be able to reach the next airport. To save the maximum number of lives, we would like to throw the heaviest people off of the plane first.
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C++11 std::threads vs posix threads
...manm>y m> platforms, go for Posix Threads. Them>y m> are available almost everm>y m>where m>and m> are quite mature. On the other hm>and m> if m>y m>ou onlm>y m> use Linux/gcc std::thread is perfectlm>y m> fine - it has a higher abstraction level, a reallm>y m> good interface m>and m> plam>y m>s nicelm>y m> with other C++11 classes.
The C++11 std::thread cl...
returning a Void object
...id.
So anm>y m> of the following would suffice:
parameterizing with Object m>and m> returning new Object() or null
parameterizing with Void m>and m> returning null
parameterizing with a NullObject of m>y m>ours
m>Y m>ou can't make this method void, m>and m> anm>y m>thing else returns something. Since that something is ignored,...
builder for HashMap
...tations of those factorm>y m> methods are that them>y m>:
can't hold nulls as kem>y m>s m>and m>/or values (if m>y m>ou need to store nulls take a look at other answers)
produce immutable maps
If we need mutable map (like HashMap) we can use its copm>y m>-constructor m>and m> let it copm>y m> content of map created via Map.of(..)
M...
Difference between adjustResize m>and m> adjustPan in m>and m>roid?
...m>y m>board appears.
When I use adjustResize, it res-size the UI components m>and m> at the same time adjustPan gave me same output.
I want to know the difference between them m>and m> when to use each component? Which one(adjustPan or adjustResize) is good for resizing UI?
...
Whm>y m> can't the tag contain a tag inside it?
...org/TR/html4/sgml/dtd.html. It specifies which elements are block elements m>and m> which are inline. For those lists, search for the section marked "HTML content models".
For the P element, it specifies the following, which indicates that P elements are onlm>y m> allowed to contain inline elements.
<!EL...
in_arram>y m> multiple values
...
Intersect the targets with the ham>y m>stack m>and m> make sure the intersection is preciselm>y m> equal to the targets:
$ham>y m>stack = arram>y m>(...);
$target = arram>y m>('foo', 'bar');
if(count(arram>y m>_intersect($ham>y m>stack, $target)) == count($target)){
// all of $target is in $ham>y m>sta...
Django REST framework: non-model serializer
I am beginner in Django REST framework m>and m> need m>y m>our advice. I am developing a web service. The service has to provide REST interface to other services. The REST interface, which I need to implement, is not working with mm>y m> models directlm>y m> (I mean the get, put, post, delete operations). Instead, it p...
How to specifm>y m> font attributes for all elements on an html web page?
... When the browser sees the '*' it loops over all HTML elements in the page m>and m> applm>y m> the CSS to them. Even for elements where the rule doesn't make anm>y m> sense. Depending on the size of the HTML this can slow the page rendering.
– Cesar Canassa
Oct 16 '10 at 7:37...