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How can I assign the output of a function to a variable using bash?
...here any way to do it in the same shell?
– Limited Atonement
May 2 '18 at 15:58
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Why is spawning threads in Java EE container discouraged?
One of the first things I've learned about Java EE development is that I shouldn't spawn my own threads inside a Java EE container. But when I come to think about it, I don't know the reason.
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How to print third column to last column?
...how an alternative way of doing the task. Wouldn't you be thankful if someone showed you a simpler and quicker way to do the same task? Maybe the poster thought awk is the only way to do this because of number of 'not incorrect, but certainly improvable upon' answers to other questions?
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PhantomJS failing to open HTTPS site
...nore-ssl-errors=true will ignore (duh) all ssl errors, including malicious ones.
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__getattr__ on a module
...ort time) should be no longer necessary.
In Python 3.7+, you just use the one obvious way. To customize attribute access on a module, define a __getattr__ function at the module level which should accept one argument (name of attribute), and return the computed value or raise an AttributeError:
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How to profile a bash shell script slow startup?
...noseconds timestamp of each command that was executed. The difference from one time to the next is the amount of time that the intervening step took.
As you narrow things down, you can move set -x later and set +x earlier (or bracket several sections of interest selectively).
Although it's not as ...
How does TransactionScope roll back transactions?
...Transaction Scope) and if so enlist with it. Caution if there are more the one connection to the same SQL server this will escalate to a Distribtued Transaction.
What happens since you're using a using block you are ensuring dispose will be called even if an exception occurs. So if dispose is call...
Allow multiple roles to access controller action
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This is okay if you only have one controller that you need to authorize. If you have more than one, you're duplicating those string constants (yuck). I much prefer the static class that has the role names. My pet hate is duplicate strings... so so bad.
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Is there a JSON equivalent of XQuery/XPath?
...vides for Javascript and PHP. If you need a Java implementation, there’s one here: code.google.com/p/json-path
– Matthias Ronge
Nov 16 '12 at 7:20
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unix - head AND tail of file
...e.g. output from a command), you can use 'tee' to fork the stream and send one stream to head and one to tail. This requires using either the '>( list )' feature of bash (+ /dev/fd/N):
( COMMAND | tee /dev/fd/3 | head ) 3> >( tail )
or using /dev/fd/N (or /dev/stderr) plus subshells wit...