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Preferred Java way to ping an HTTP URL for availability
...tInfo != null && netInfo.isConnectedOrConnecting();
}
they are a bit different but in the functionality for just checking the connection to internet the first method may become slow due to the connection variables.
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Why do most C developers use define instead of const? [duplicate]
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Expanding on R's answer a little bit: fieldWidth is not a constant expression; it's a const-qualified variable. Its value is not established until run-time, so it cannot be used where a compile-time constant expression is required (such as in an array decla...
Java generics - why is “extends T” allowed but not “implements T”?
...d methods that can accept any class that both axtends a base class and exhibits an interface not just interfaces that extend an interface. Then have the instantiation of the Genric test for the presense of interfaces AND have the actual class specified as a type parameter. Ideally I would want c...
PHP - concatenate or directly insert variables in string
...nce implications, those won't matter 1.
As a sidenote, so my answer is a bit more complete: the day you'll want to do something like this:
echo "Welcome $names!";
PHP will interpret your code as if you were trying to use the $names variable -- which doesn't exist.
- note that it will only work ...
Rails 4 image-path, image-url and asset-url no longer work in SCSS files
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I've been bitten by missing RAILS_ENV=production on several occasions.
– Sixty4Bit
Oct 4 '16 at 20:33
add a co...
How to return a result from a VBA function
...as a comment. I'm not sure what the proper etiquette is, I guess it was a bit rude to downvote for just that, because it is a good answer, but it won't let me undo it.
– Dan
May 6 '10 at 15:20
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EF Code First foreign key without navigation property
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102
Although this post is for Entity Framework not Entity Framework Core, It might be useful for s...
Programmatically get height of navigation bar
...w appears, you should insert the code into viewDidAppear. If you clarify a bit, it would make it easier to figure what you want to do.
– Sum
Sep 5 '11 at 23:13
2
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Mongoose (mongodb) batch insert?
...lacement and everything should work just fine (well, the return value is a bit different, but you're probably not using it anyway).
Reference
Mongo documentation
Aaron Heckman on Google Groups discussing bulk inserts
sha...
How can I unstage my files again after making a local commit?
...name. It can be, for example, git_unstage(num_of_commits). It might take a bit of effort as it might require passing an argument (number of commits), but it's possible.
– Andrey Deineko
Sep 21 at 7:46
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