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Removing fields from struct or hiding them in JSON Response
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A possible drawback of delete is that you sometimes might want to support multiple json views of your struct (map). For example json view for the client without a sensitive field, and json view for the database WITH the sensitive field. Fortunately it is still possible t...
What is the difference between single and double quotes in SQL?
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Single quotes delimit a string constant or a date/time constant.
Double quotes delimit identifiers for e.g. table names or column names. This is generally only necessary when your identifier doesn't fit the rules for simple identifiers.
See also:
Do different databases ...
python pandas remove duplicate columns
...ou already know the unique column names. If that's the case, then df = df['Time', 'Time Relative', 'N2'] would work.
If not, your solution should work:
In [101]: vals = np.random.randint(0,20, (4,3))
vals
Out[101]:
array([[ 3, 13, 0],
[ 1, 15, 14],
[14, 19, 14],
[19...
How to group time by hour or by 10 minutes
...0,1) * 5, so that when I look at the data it's correlated with the nearest time slot
– hdost
Aug 3 '15 at 15:46
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Is it possible to push a git stash to a remote repository?
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I'm learning a lot in little time, and I feel I should probably simply many command usages in my earlier approach, which I will try to do later.
– sehe
Mar 13 '11 at 2:00
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dispatch_after - GCD in Swift?
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A clearer idea of the structure:
dispatch_after(when: dispatch_time_t, queue: dispatch_queue_t, block: dispatch_block_t?)
dispatch_time_t is a UInt64. The dispatch_queue_t is actually type aliased to an NSObject, but you should just use your familiar GCD methods to get queues. The bloc...
NodeJS: How to get the server's port?
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In case when you need a port at the time of request handling and app is not available, you can use this:
request.socket.localPort
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What’s the best RESTful method to return total number of items in an object?
...nd affect my data. However, this data is paged (limited to 30 results at a time).
12 Answers
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How to dynamically insert a tag via jQuery after page load?
...cripts or bring their own, but these scripts do not need to be loaded everytime again. I am using this snippet since more than a year in production environment, it works like a charme. Commenting to myself: Yes I know, it would be more correct to ask if a function exists... :-)
if (!$('head > sc...
How to determine the first and last iteration in a foreach loop?
...ration of the loop - if it's both then that's 4 methods being called every time. Granted, those would be very lightweight operations and are probably just pointer lookups, but then the docs do go on to specify that reset() and end() modify the array's internal pointer - so is it quicker than a count...