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Can comments be used in JSON?
...r supports them. JSON is used a lot for application data and configuration settings, so comments are necessary now. The "official spec" is a nice idea, but it's insufficient and obsolete, so too bad. Minify your JSON if you're concerned about payload size or performance.
– Tri...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
...il return. It then goes on and returns an empty array if the second arg is set to zero. while if 5 is passed in, there are not 5 elements in the array, so it returns nil before the zero arg is evaluated. code here at line 944.
I believe this to be a bug, or at least unpredictable and not the 'Princ...
How can I add “href” attribute to a link dynamically using JavaScript?
...ectly access the attributes as fields (compare to my solution below, using setAttribute). Does anybody know if this approach is standard?
– mgiuca
Jan 14 '11 at 8:53
...
Why does mongoose always add an s to the end of my collection name
...el name. If you don't like this behavior, either pass a collection name or set your schemas collection name option.
Example:
var schema = new Schema({ name: String }, { collection: 'actor' });
or
schema.set('collection', 'actor');
or
var collectionName = 'actor'
var M = mongoose.model('Actor...
Obtain Bundle Identifier programmatically
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Why does modern Perl avoid UTF-8 by default?
...?????????? ????????????????????????????????????????????????????????????
Set your PERL_UNICODE envariable to AS. This makes all Perl scripts decode @ARGV as UTF‑8 strings, and sets the encoding of all three of stdin, stdout, and stderr to UTF‑8. Both these are global effects, not lexical ones....
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...on which was done was loop invariant code motion. This can be done using a set of techniques.
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Faster s3 bucket duplication
...x_concurrent_requests to reduce the impact of latency. Eg:
aws configure set default.s3.max_concurrent_requests 200
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Is there a concurrent List in Java's JDK?
... thread-safe variant of ArrayList in which
all mutative operations (add, set, and so on) are implemented by
making a fresh copy of the underlying array.
CopyOnWriteArrayList is a concurrent alternative of synchronized List implements List interface and its part of java.util.concurrent packagea...
jQuery - selecting elements from inside a element
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