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Creating Multifield Indexes in Mongoose / MongoDB
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@DamonYuan They set the sort order of the fields in the index. 1 is ascending, -1 would be descending.
– JohnnyHK
Oct 27 '15 at 0:05
1...
How to Compare Flags in C#?
...al times and got ~500ms for HasFlags and ~32ms for bitwise. While still an order of magnitude faster with bitwise, HasFlags was an order of magnitude down from your test. (Ran the test on a 2.5GHz Core i3 and .NET 4.5)
– MarioVW
Jun 26 '13 at 17:13
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Convert object to JSON in Android
...elimiters of objects and arrays.
The tokens are traversed in depth-first order, the same order that
they appear in the JSON document. Within JSON objects, name/value
pairs are represented by a single token.
share
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How to use Git?
... your questions directly rather than pointing you at documentation:
1) In order to keep it up to date, do a git pull and that will pull down the latest changes in the repository, on the branch that you're currently using (which is generally master)
2) I don't think there's something (widely availa...
How to terminate a python subprocess launched with shell=True
...rapper for something else, do call the final binary there with exec too in order to have only one subprocess.
– Nicolinux
Aug 4 '16 at 17:51
1
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Eclipse menus don't show up after upgrading to Ubuntu 13.10
... that the fact that it is installed there forces me to run sudo eclipse in order to get the menus, or else it doesn't work. However, when I just copy-pasted your file content without modifying it, the menus work without sudo priviliges, even though I of course have no directory name /home/USERNAME.....
form_for with nested resources
...POST /comments
post :create, :comment => {:article_id=>42, ...}
In order to test the route that they may prefer, they need to do it this way:
# POST /articles/42/comments
post :create, :article_id => 42, :comment => {...}
I learned this because my unit-tests started failing when I s...
How is the fork/join framework better than a thread pool?
...ypical FJ usage cuts the problem into tiny pieces. Doing these in a random order requires much co-ordination at a hardware level. The overheads would be a killer. In FJ, tasks are put onto a queue that the thread reads off in Last In First Out order (LIFO/stack), and work stealing (in core work, gen...
How to run function in AngularJS controller on document ready?
...sample page with 4 components all of which build HTML from a template, the order of events was
$document ready
$onInit
$postLink
(and these 3 were repeated 3 more times in the same order for the other 3 components)
$viewContentLoaded (repeated 3 more times)
$timeout execution (repeated 3 more times...
Floating point vs integer calculations on modern hardware
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This "benchmark" has no data parallelism for out-of-order execution, because every operation is done with the same accumulator (v). On recent Intel designs, divide isn't pipelined at all (divss/divps has 10-14 cycle latency, and the same reciprocal throughput). mulss however...