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Difference between local and global indexes in DynamoDB
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Here is the formal definition from the documentation:
Global secondary index — an index with a hash and range key that can
be different from those on the table. A global secondary index is
considered "global" because queries on the index can spa...
How to remove leading and trailing white spaces from a given html string?
...d be sample code in JavaScript to remove leading and trailing white spaces from this string?
7 Answers
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Java: difference between strong/soft/weak/phantom reference
...is useful only to know exactly when an object has been effectively removed from memory: normally they are used to fix weird finalize() revival/resurrection behavior, since they actually do not return the object itself but only help in keeping track of their memory presence.
Weak Reference Objects a...
How to use permission_required decorators on django class-based views
... do this:
Applying a method_decorator to your CBV dispatch method e.g.,
from django.utils.decorators import method_decorator
@method_decorator(login_required, name='dispatch')
class ViewSpaceIndex(TemplateView):
template_name = 'secret.html'
If you're using Django < 1.9 (which you shou...
JSON to pandas DataFrame
What I am trying to do is extract elevation data from a google maps API along a path specified by latitude and longitude coordinates as follows:
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How to get Erlang's release version number from a shell?
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From the docs for erlang:system_info: As from OTP 17, the OTP release number corresponds to the major OTP version number. No erlang:system_info() argument gives the exact OTP version. See my answer below for an even uglier co...
What's the difference between a single precision and double precision floating point operation?
..., cache, and bandwidth, thereby reducing the overall system performance.
From Webopedia:
The term double precision is something of a misnomer because the precision is not really double.
The word double derives from the fact that a double-precision number uses twice as many bits as a regular ...
How to find an available port?
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How do I find this port from client? ;)
– ed22
Jun 29 '18 at 9:48
add a comment
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How do I merge a specific commit from one branch into another in Git?
...git cherry-pick <commit> command allows you to take a single commit (from whatever branch) and, essentially, rebase it in your working branch.
Chapter 5 of the Pro Git book explains it better than I can, complete with diagrams and such. (The chapter on Rebasing is also good reading.)
Lastly,...
How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
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This answer was the key to getting ssh from the windows command line using passwordless keys for me (specifically for git access). Would have saved me hours of pain if I had seen it earlier! Thanks!
– cori
Jan 25 '13 at 12:20...