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Linux bash: Multiple variable assignment
...into my mind:
read -r a b c <<<$(echo 1 2 3) ; echo "$a|$b|$c"
output is, unsurprisingly
1|2|3
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Purpose of Unions in C and C++
...iods of time. These people never meet, and generally don't know anything about each other. By properly managing the time-sharing of the rooms (i.e. by making sure different people don't get assigned to one room at the same time), a relatively small hotel can provide accommodations to a relatively la...
Where to define custom error types in Ruby and/or Rails?
...eirarchy can be helpful - namespaces are good at keeping redundant strings out of type names - but that's more a matter of taste - there's no need to go overboard provided you have at least one custom exception type in your app which you use throughout to differentiate between 'intentional' and 'acc...
See what process is using a file in Mac OS X
... using Finder to another folder. It showed up grey, so I used lsof to find out who had the file open: Finder. I tried force quitting Finder (which automatically relaunches it). That didn't work. I tried closing my laptop, figuring that would put everything to sleep and hopefully clearing the problem...
_=> what does this underscore mean in Lambda expressions?
...
That is a convention used when you don't care about the parameter.
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Where in memory are my variables stored in C?
...
For those future visitors who may be interested in knowing about those memory segments, I am writing important points about 5 memory segments in C:
Some heads up:
Whenever a C program is executed some memory is allocated in the RAM for the program execution. This memory is used for ...
What is the recommended way to delete a large number of items from DynamoDB?
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What I ideally want to do is call LogTable.DeleteItem(user_id) -
Without supplying the range, and have it delete everything for me.
An understandable request indeed; I can imagine advanced operations like these might get added over time by the AWS team (they have a history of starting with a...
Adding custom radio buttons in android
...n transparent:
<RadioButton
android:id="@+id/radio0"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@null"
android:button="@drawable/yourbuttonbackground"
android:checked="true"
android:text="RadioButton1" />
If you wou...
How to read and write INI file with Python3?
...nfigparser.MissingSectionHeaderError when using provided example files without the proper section headers.
– Jaakko
May 23 '18 at 11:31
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What is “Service Include” in a csproj file for?
...50-4B1E-B82E-3ADA8210C358}" />
</ItemGroup>
This inclusion turns out to be generated on purpose by VS2013 if you create an NUnit test project, but forget to tag it as test project, as described in this answer from Microsoft:
This behavior is intentional.
To support third-party test framew...