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GLib compile error (ffi.h), but libffi is installed

... If you have a Debian-based Linux OS with apt-get: sudo apt-get install libffi-dev With a Redhat-base OS: yum install libffi-devel With Alpine Linux: apk add libffi-dev share | improve...
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WCF timeout exception detailed investigation

... It only took a year, but I finally ran another stress test on the application with this flag set. The issue appears solved, so I am giving you the best answer. I would not be surprised that this was the last piece of the puzzle that was required but that ...
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Recommended date format for REST GET API

... REST doesn't have a recommended date format. Really it boils down to what works best for your end user and your system. Personally, I would want to stick to a standard like you have for ISO 8601 (url encoded). If not having ugly URI is a concern (e.g. not including th...
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What's the difference between “Write-Host”, “Write-Output”, or “[console]::WriteLine”?

... but not necessarily want to display it on screen. The pipeline will eventually write it to out-default if nothing else uses it first. Write-Host should be used when you want to do the opposite. [console]::WriteLine is essentially what Write-Host is doing behind the scenes. Run this demonstratio...
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How to do a scatter plot with empty circles in Python?

... colored disks already plotted by scatter() , so as to highlight them, ideally without having to redraw the colored circles. ...
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What is the difference between a port and a socket?

...because a connection is identified by both its local and remote endpoints, allowing traffic to be routed to a specific service instance. There can only be one listener socket for a given address/port combination. Exposition This was an interesting question that forced me to re-examine a number of...
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What is the difference between `after_create` and `after_save` and when to use which?

... readers should note that, according to the docs, ActiveRecord's update_all does not invoke any callbacks, including after_* – user2426679 Jan 10 at 19:34 add a comment ...
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Match multiline text using regular expression

...erwise they only match at the start/end of the entire string). Pattern.DOTALL or (?s) tells Java to allow the dot to match newline characters, too. Second, in your case, the regex fails because you're using the matches() method which expects the regex to match the entire string - which of course d...
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What are the mathematical/computational principles behind this game?

My kids have this fun game called Spot It! The game constraints (as best I can describe) are: 9 Answers ...
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When should I use Struct vs. OpenStruct?

... @IvanKolmychek: Cool, actually I prefer the block approach. – tokland Mar 9 '16 at 18:21 ...