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find: paths must precede expression:” How do I specify a recursive search that also finds files in

I am having a hard time getting find to look for matches in the current directory as well as its subdirectories. 6 Answe...
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

...00000000040ED948]: # tracemem[00000000040ED948 -> 00000000040ED830]: .Call copy $<-.data.table $<- .Internal(inspect(DT)) # @0000000003B7E2A0 19 VECSXP g0c7 [OBJ,NAM(2),TR,ATT] (len=2, tl=100) # @00000000040C2288 14 REALSXP g0c2 [NAM(2)] (len=2, tl=0) 1,2 # @00000000040C2250 14 REALS...
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Checking Bash exit status of several commands efficiently

Is there something similar to pipefail for multiple commands, like a 'try' statement but within bash. I would like to do something like this: ...
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Azure SQL Database Bacpac Local Restore

... see any errors and the data seems to be there. Somebody mentions that installing newer version of SQL Server Data Tools helped them (but they are not referring to Management Studio) social.msdn.microsoft.com/Forums/windowsazure/en-US/… – Juha Palomäki Oct 2...
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How do I get the object if it exists, or None if it does not exist?

... python is to wrap it in a try catch: try: go = SomeModel.objects.get(foo='bar') except SomeModel.DoesNotExist: go = None What I did do, is to subclass models.Manager, create a safe_get like the code above and use that manager for my models. That way you can write: SomeModel.objects.safe_...
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Stateless vs Stateful - I could use some concrete information

...programming. I'm interested because I want to learn more about it, but I really can't find any good articles about it. I've read dozens of articles on the web which vaguely discuss the subject, or they're talking about web servers and sessions - which are also 'bout stateful vs stateless, but I'm in...
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What is the EAFP principle in Python?

What is meant by "using the EAFP principle" in Python? Could you provide any examples? 3 Answers ...
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iterating over each character of a String in ruby 1.8.6 (each_char)

...m new to ruby and currently trying to operate on each character separately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like: ...
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How to upgrade rubygems

I need to upgrade gems to 1.8 i tried installing the respective debian packages but it seems its not getting upgraded 8 An...
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deny direct access to a folder and file by htaccess

...you can put a .htaccess file in that folder that contains just: deny from all That way you cannot open any file from that folder, but you can include them in php without any problems. share | imp...