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Principles for Modeling CouchDB Documents
... map/reduce as JSON arrays: ["a", "b", "c"]. Doing that would allow you to include a "tree" of sorts built out of array keys. Using your example above, we can output the post_id, then the type of thing we're referencing, then its ID (if needed). If we then output the id of the referenced document in...
Android accelerometer accuracy (Inertial navigation)
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I'm not sure how great your offset is, because you forgot to include units. ("Around 10 on each axis" doesn't say much. :P) That said, it's still likely due to inaccuracy in the hardware.
The accelerometer is fine for things like determining the phone's orientation relative to gravity...
Standard way to embed version into python package?
..., pbr is the 11th most used python package, and reaching this level didn't include any dirty tricks. It was only one thing -- fixing a common packaging problem in a very simple way.
pbr can do more of the package maintenance burden, and is not limited to versioning, but it does not force you to adop...
Unknown column in 'field list' error on MySQL Update query
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I too got the same error, problem in my case is I included the column name in GROUP BY clause and it caused this error. So removed the column from GROUP BY clause and it worked!!!
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How to measure time in milliseconds using ANSI C?
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#include <time.h>
clock_t uptime = clock() / (CLOCKS_PER_SEC / 1000);
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What's the difference between tilde(~) and caret(^) in package.json?
... documentation as well which describes all methods for version specificity including the ones referred to in the question -
https://docs.npmjs.com/files/package.json
https://docs.npmjs.com/misc/semver#x-ranges-12x-1x-12-
~version "Approximately equivalent to version" See npm semver - Tilde Rang...
How to select a single field for all documents in a MongoDB collection?
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From the MongoDB docs:
A projection can explicitly include several fields. In the following operation, find() method returns all documents that match the query. In the result set, only the item and qty fields and, by default, the _id field return in the matching documents.
db...
Can a local variable's memory be accessed outside its scope?
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A little addition to all the answers:
if you do something like that:
#include<stdio.h>
#include <stdlib.h>
int * foo(){
int a = 5;
return &a;
}
void boo(){
int a = 7;
}
int main(){
int * p = foo();
boo();
printf("%d\n",*p);
}
the output probably will b...
How do I revert to a previous package in Anaconda?
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This is buggy. Doesn't work. I lost my packages including numpy.
– Binu Jasim
Sep 14 '17 at 7:41
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