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How can I insert values into a table, using a subquery with more than one result?
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150
You want:
insert into prices (group, id, price)
select
7, articleId, 1.50
from article w...
How do I Convert DateTime.now to UTC in Ruby?
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156
d = DateTime.now.utc
Oops!
That seems to work in Rails, but not vanilla Ruby (and of course ...
Get a random boolean in python?
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Adam's answer is quite fast, but I found that random.getrandbits(1) to be quite a lot faster. If you really want a boolean instead of a long then
bool(random.getrandbits(1))
is still about twice as fast as random.choice([True, False])
Both solutions need to import random
If utmost spe...
OpenShift rhc setup using multiple accounts
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181
rhc command line tools come with the global option "-l, --rhlogin LOGIN". You have two options...
Python: List vs Dict for look up table
I have about 10million values that I need to put in some type of look up table, so I was wondering which would be more efficient a list or dict ?
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Java ArrayList replace at specific index
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edited May 15 '18 at 17:48
answered Sep 17 '11 at 5:58
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Best approach to converting Boolean object to string in java
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145
I don't think there would be any significant performance difference between them, but I would ...
Mounting multiple volumes on a docker container?
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Pass multiple -v arguments.
For instance:
docker -v /on/my/host/1:/on/the/container/1 \
-v /on/my/host/2:/on/the/container/2 \
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improve this answer
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How to display length of filtered ng-repeat data
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For Angular 1.3+ (credits to @Tom)
Use an alias expression (Docs: Angular 1.3.0: ngRepeat, scroll down to the Arguments section):
<div ng-repeat="person in data | filter:query as filtered">
</div>
For Angular prior to 1.3...
FB OpenGraph og:image not pulling images (possibly https?)
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105
I ran into the same problem and reported it as a bug on the Facebook developer site. It seems ...