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How is “int main(){(([](){})());}” valid C++?
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The code essentially calls an empty lambda.
Let's start from the beginning: [](){} is an empty lambda expression.
Then, in C and C++, you can wrap expressions in parens and they behave exactly the same† as if written without them, so that's what the first pair of parens around ...
Why is Magento so slow? [closed]
...ayout tree) are huge. Also, unless caching is on, these tree are built up from files on disk and on each request.
Magento uses its configuration system to allow you to override classes. This is a powerful feature, but it means anytime a model, helper, or controller is instantiated, extra PHP instr...
How can I capture the result of var_dump to a string?
... in spirit, as it makes more sense generally.
– Josh from Qaribou
Jun 6 '14 at 18:17
1
@AlbertHen...
No Activity found to handle Intent : android.intent.action.VIEW
... a must. file:// was missing in my case until I changed Uri.parse() to Uri.fromFile().
– Stan
Apr 12 '16 at 9:55
@Stan...
git status shows modifications, git checkout — doesn't remove them
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I have tried multiple suggestions from this and other questions. This is the only fix that worked for me. I had no attribute file and I already started with core.autocrlf at false.
– BrotherOdin
Oct 26 '15 at 12:38
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Copy array items into another array
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Found an elegant way from MDN
var vegetables = ['parsnip', 'potato'];
var moreVegs = ['celery', 'beetroot'];
// Merge the second array into the first one
// Equivalent to vegetables.push('celery', 'beetroot');
Array.prototype.push.apply(vegetab...
How do I check two or more conditions in one ?
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Just in case somebody needs to check the condition from session.Usage of or
<c:if test="${sessionScope['roleid'] == 1 || sessionScope['roleid'] == 4}">
share
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improv...
Can my enums have friendly names? [duplicate]
...reates his own version of Description attribute which would pick up values from the corresponding resource manager.
http://www.codeproject.com/KB/WPF/FriendlyEnums.aspx
Although the article is around a problem that's generally faced by WPF developers when binding to enums, you can jump directly to...
Is there a better way to do optional function parameters in JavaScript? [duplicate]
...ou need to chuck a literal NULL in, then you could have some issues. Apart from that, no, I think you're probably on the right track.
The other method some people choose is taking an assoc array of variables iterating through the argument list. It looks a bit neater but I imagine it's a little (ver...
Understanding scala enumerations
...I don't understand Scala enumeration classes. I can copy-paste the example from documentation, but I have no idea what is going on.
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