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Intersection of two lists in Bash
... comm requires the inputs to be sorted. In this case, ls automatically sorts its output, but other uses may need to do this: comm -12 <(some-command | sort) <(some-other-command | sort)
– Alexander Bird
Jan 15 '15 at 21:11
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When do you use varargs in Java?
...lso can receive an indeterminate number of objects but a varargs parameter allows more flexibility and convenience at the point of invocation. You can write code to build an array and pass it, or you can let Java do it for you when you choose to receive it in a varargs parameter.
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What is the usefulness of PUT and DELETE HTTP request methods?
...ver to apply then.
So, if you are building some sort of client for a REST API, you will likely make it send PUT and DELETE requests. This could be a client built inside a browser, e.g. sending requests via JavaScript or it could be some tool running on a server, etc.
For some more details visit:
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Difference between std::system_clock and std::steady_clock?
...11.7.1 [time.clock.system]/1:
Objects of class system_clock represent wall clock time from the system-wide realtime clock.
20.11.7.2 [time.clock.steady]/1:
Objects of class steady_clock represent clocks for which values of time_point never decrease as physical time advances and for which v...
API to automatically upload apk to Google Play? [closed]
Is there any API or tool that enables me to automatically upload an APK to Google Play? I want to automatically publish customized apps to my account without any manual steps or graphical interface.
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How to extract request http headers from a request using NodeJS connect
...this more helpful than the accepted answer above. The JSON.stringify makes all the difference.
– Patrick
Sep 8 '15 at 20:39
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Returning a C string from a function
...F-8 is an example of an mbcs. For the sake of intro, I quietly 'skip over' all of this.
Memory:
This means that a string like "my string" actually uses 9+1 (=10!) bytes. This is important to know when you finally get around to allocating strings dynamically.
So, without this 'terminating zero', y...
Reading in a JSON File Using Swift
I'm really struggling with trying to read a JSON file into Swift so I can play around with it. I've spent the best part of 2 days re-searching and trying different methods but no luck as of yet so I have signed up to StackOverFlow to see if anyone can point me in the right direction.....
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How can I get the count of milliseconds since midnight for the current?
...es?
Java SE 8 and SE 9 and later
Built-in.
Part of the standard Java API with a bundled implementation.
Java 9 adds some minor features and fixes.
Java SE 6 and SE 7
Much of the java.time functionality is back-ported to Java 6 & 7 in ThreeTen-Backport.
Android
The ThreeTenABP project...
Querying DynamoDB by date
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Updated Answer:
DynamoDB allows for specification of secondary indexes to aid in this sort of query. Secondary indexes can either be global, meaning that the index spans the whole table across hash keys, or local meaning that the index would exist w...