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Firefox 'Cross-Origin Request Blocked' despite headers
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Can we omit parentheses when creating an object using the “new” operator?
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Quoting David Flanagan1:
As a special case, for the new operator only, JavaScript simplifies the grammar by allowing the parenthesis to be omitted if there are no arguments in the function call. Here are some examples using the new operator:
o = ...
Browse orphaned commits in Git
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136
Rather than leave this open I think I'll give an answer to my own question. Using git reflog -...
What does the question mark in Java generics' type parameter mean?
...technical terms, ? extends HasWord is a bounded wildcard, covered in Item 31 of Effective Java 3rd Edition, starting on page 139. The same chapter from the 2nd Edition is available online as a PDF; the part on bounded wildcards is Item 28 starting on page 134.
Update: PDF link was updated since Or...
C++ Modules - why were they removed from C++0x? Will they be back later on?
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answered Aug 29 '10 at 19:07
James McNellisJames McNellis
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CSS center display inline block?
...lay: inline-block to be both horizontally and vertically centered within a 100% width parent.
I used Flexbox's justify-content and align-items properties, which respectively allow you to center elements horizontally and vertically. By setting both to center on the parent, the child element (or eve...
find() with nil when there are no records
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173
Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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What does the keyword Set actually do in VBA?
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edited Feb 9 '17 at 20:42
TylerH
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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
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