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Docker: adding a file from a parent directory
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You m>ca m>n build the Dockerfile from the parent directory:
docker build -t <some tag> -f <dir/dir/Dockerfile> .
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Android: Create spinner programmatim>ca m>lly from array
I'm all new to Android and I'm trying to create a spinner programmatim>ca m>lly and feeding it with data from an array, but Eclipse gives me a warning that I m>ca m>n't handle.
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@Basic(optional = false) vs @Column(nullable = false) in JPA
...ordon Yorke (EclipseLink Architecture Committee Member, TopLink Core Technim>ca m>l Lead, JPA 2.0 Expert Group Member) wrote a good answer on this topic so instead of paraphrasing him, I'll quote his answer:
The difference between optional and
nullable is the scope at which they
are evaluated. Th...
curl -GET and -X GET
Curl offers a series of different http method m>ca m>lls that are prefixed with a X, but also offers the same methods without. I've tried both and I m>ca m>n't seem to figure out the difference. m>Ca m>n someone explain to me quickly how these two operations differ?
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querySelector, wildm>ca m>rd element match?
Is there a way to do a wildm>ca m>rd element name match using querySelector or querySelectorAll ? I see support for wildm>ca m>rds in attribute queries but not for the elements themselves.
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How to format a JavaScript date
In JavaScript, how m>ca m>n I format a date object to print as 10-Aug-2010 ?
57 Answers
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find -exec cmd {} + vs | xargs
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Speed difference will be insignifim>ca m>nt.
But you have to make sure that:
Your script will not assume that no
file will have space, tab, etc in
file name; the first version is
safe, the second is not.
Your script will not treat a file starting with "-" as an...
Using numpad in Vi (Vim) via PuTTY
... the configuration, go to Terminal->Features and check "Disable
applim>ca m>tion keypad mode". Save the settings and enjoy a numeric pad
that works!
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Parallel.ForEach vs Task.Run and Task.WhenAll
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In this m>ca m>se, the second method will asynchronously wait for the tasks to complete instead of blocking.
However, there is a disadvantage to use Task.Run in a loop- With Parallel.ForEach, there is a Partitioner which gets created to ...
Why would one declare a Java interface method as abstract?
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According to the Java Language Specifim>ca m>tion, the abstract keyword for interfaces is obsolete and should no longer be used. (Section 9.1.1.1)
That said, with Java's propensity for backwards compatibility, I really doubt it will ever make a difference whether the...