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Bash script processing limited number of commands in parallel
... shell would wait until those are completed before starting the next set.
From the GNU manual:
wait [jobspec or pid ...]
Wait until the child process specified by each process ID pid or job specification jobspec exits and return the exit status of the last
command waited for. If a job spe...
How to copy yanked text to VI command prompt
...n paste it with shift-insert in the commandline.
Similarly, you can paste from the clipboard like this:
"*p
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What is the `sensor` parameter for in the Google Places API?
...to detect someone's location, then use sensor=true, even if they drag away from the map. If you instantiate a map that does not use the sensor to detect the location, then set it to false
– Mano Marks
Sep 20 '12 at 22:17
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return query based on date
...ives us current time in milliseconds
We want to subtract 5 minutes (in ms) from that: 5*60*1000 -- I just multiply by 60 seconds so its easy to change. I can just change 5 to 120 if I want 2 hours (120 minutes).
new Date().getTime()-60*5*1000 gives us 1484383878676 (5 minutes ago in ms)
Now we nee...
How to get .pem file from .key and .crt files?
How can I create a PEM file from an SSL certificate?
10 Answers
10
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Creating a new directory in C
...dy exists, in much the same way as if you had attempted the same operation from the command line.
– Paul R
Jan 18 '17 at 21:54
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Usage of sys.stdout.flush() method
...after each print you won't see the output immediately. Remove the comment from the sys.stdout.flush() line to see the difference.
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Difference between `set`, `setq`, and `setf` in Common Lisp?
... SETQ are atrophied remains of older dialects, and will probably be booted from eventual successors of Common Lisp.
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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
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Where it is documented:
From the API documentation under the has_many association in "Module ActiveRecord::Associations::ClassMethods"
collection.build(attributes = {}, …)
Returns one or more new objects of the
collection type that have be...
How to initialize a struct in accordance with C programming language standards
...oesn't answer the question at all. OP wants to separate the initialization from the declaration.
– osvein
Apr 4 '18 at 20:09
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