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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
... - I suggest you take a look at the Advanced Bash Scripting Guide for more info, specifically the extended test command section in Chapter 7. Tests.
Incidentally, as the guide notes, [[ ]] was introduced in ksh88 (the 1988 version of the Korn shell).
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My images are blurry! Why isn't WPF's SnapsToDevicePixels working?
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More information on this new property found here: blogs.msdn.com/text/archive/2009/08/27/layout-rounding.aspx
– Domokun
Apr 29 '10 at 6:27
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Understanding ibeacon distancing
... that's how it sets accuracy. I wouldn't exclude possibility that they use info form accelerometer to detect whether user is moving (and how fast) in order to reset the previous distribution distance values because they have certainly changed.
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Create aar file in Android Studio
...e AAR itself. You would typically set up a Maven pom file that has version info.
– Scott Barta
Apr 10 '15 at 2:13
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How to suppress GCC warnings from library headers?
...like to use -Wall and/or -Wextra as usual on project code without relevant info being obscured. I currently use grep on make output but I'd like something better.
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Max retries exceeded with URL in requests
...>: [Errno -2] Name or service not known) part. "gai" stands for getaddrinfo, and the probable related error is: EAI_NONAME The node or service is not known; or both node and service are NULL; or AI_NUMERICSERV was specified in hints.ai_flags and service was not a numeric port-number string. It...
How to print out the contents of a vector?
...eginners may fall into reinventing themselves. Read Joshua's post for more info.
overload std::ostream::operator<<
See Chris's answer, this is more a complement to the other answers since you will still need to implement one of the solutions above in the overloading. In his example he used a c...
Ruby: How to post a file via HTTP as multipart/form-data?
... adding the gem install rest-client and require 'rest_client' parts. That info is left off of too many ruby examples.
– dansalmo
Mar 1 '18 at 20:09
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In Firebase, is there a way to get the number of children of a node without loading all the node dat
...nction (current_value) {
return (current_value || 0) + 1;
});
For more info, see https://www.firebase.com/docs/transactions.html
UPDATE:
Firebase recently released Cloud Functions. With Cloud Functions, you don't need to create your own Server. You can simply write JavaScript functions and uplo...
Where does Console.WriteLine go in ASP.NET?
...n the output window (dc is the DataContext).
Have a look at this for more info: http://damieng.com/blog/2008/07/30/linq-to-sql-log-to-debug-window-file-memory-or-multiple-writers
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