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Why JavaScript rather than a standard browser virtual machine?
Would it not make sense to support a set of languages (Java, Python, Ruby, etc.) by way of a standardized virtual machine hosted in the browser rather than requiring the use of a specialized language -- really, a specialized paradigm -- for client scripting only?
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What are the differences between Deferred, Promise and Future in JavaScript?
What are the differences between Deferreds, Promises and Futures?
Is there a generally approved theory behind all these three?
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Is there a read-only generic dictionary available in .NET?
...only view of a non read-only dictionary". Some other code might change the content of the original dictionary, and these changes will be reflected in the read-only dictionary. It could be the desired behavior, or not, depending on what you want to achieve...
– Thomas Levesque
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How do I use itertools.groupby()?
...iltin (list(), tuple()) or consumed in a loop/comprehension to display the contents. These are redundancies the author likely m>ex m>cluded to conserve space.
– pylang
Oct 25 '18 at 0:13
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What is the difference between \r and \n?
How are \r and \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure m>ex m>actly how they're different, and which to search for/match in regm>ex m>es.
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What is the difference between memmove and memcpy?
...[---- dst ---]
copying the first byte of src to dst already destroys the content of the last bytes of src before these have been copied. Only copying "back to front" will lead to correct results.
Now swap src and dst:
[---- dst ----]
[---- src ---]
In that case it's only safe to co...
Associative arrays in Shell scripts
...er and faster version of get() since it requires no iteration over the map contents:
get() {
mapName=$1; key=$2
map=${!mapName}
value="$(echo $map |sed -e "s/.*--${key}=\([^ ]*\).*/\1/" -e 's/:SP:/ /g' )"
}
sh...
Why use a READ UNCOMMITTED isolation level?
... data change. By reading these snapshots rather than live data at times of contention, Shared Locks are no longer needed on reads, and overall database performance may increase.
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“Insufficient Storage Available” even there is lot of free space in device memory
The total space of my app is 10 MB, and after installation it will take less than 20 MB. In Galaxy Note I , while updating my app, it's saying "Insufficient Storage Available", where there is 214 MB of free space in device memory (internal). It happens even trying to download a new app.
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What is token-based authentication?
...me than calculating an HMACSHA256 to
validate a token and parsing its contents.
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