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AWK: Access captured group from line pattern
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That was a stroll down memory lane...
I replaced awk by perl a long time ago.
Apparently the AWK regular expression engine does not capture its groups.
you might consider using something like :
perl -n -e'/test(\d+)/ && print $1'
the -n flag causes perl to loop over every line li...
scipy.misc module has no attribute imread?
... using the scipy.misc.imresize. It doesn't work now, but I had used it sometime back. I wish You could correct me if what I said had any mistakes in that comment rather than saying it as a joke. I am open to learning from my mistakes. What is wrong in my comment? Thank you.
– s...
Disable validation of HTML5 form elements
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Wow! I was having a real tough time looking where my submit event was gone. Thank you sir!
– Gipsy King
Jul 27 '10 at 6:34
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What is the use case of noop [:] in bash?
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I sometimes use while : ; do ... ; done if I want a quick and dirty infinite loop. (Usually there's a sleep in the loop, and I type Ctrl-C to kill it.)
– Keith Thompson
May 12 '16 at 1:05
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
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Indeed. Noda Time doesn't want to get into the business of Unicode details :)
– Jon Skeet
Apr 18 '13 at 8:19
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annotation to make a private method public only for test classes [duplicate]
... private it will work (dp4j will inject the required reflection at compile-time). You may also use dp4j's @TestPrivates annotation to be more explicit.
If you insist on also annotating your private methods you may use Google's @VisibleForTesting annotation.
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How to write loop in a Makefile?
...lled all. If such a file exists, make then checks that file's last-changed-time, and the makefile will almost certainly not do what you intended. The .PHONY declaration tells make that all is a symbolic target. Make will therefore consider the all target to always be out of date. Perfect. See the ma...
How do you determine the ideal buffer size when using FileInputStream?
...ly inefficient (i.e. if you configured your buffer to read 4100 bytes at a time, each read would require 2 block reads by the file system). If the blocks are already in cache, then you wind up paying the price of RAM -> L3/L2 cache latency. If you are unlucky and the blocks are not in cache yet...
When do you need to explicitly call a superclass constructor?
...ss instead of the superclass constructor
You claim that:
At the same time I've also seen instances on here where someone's problem was not explicitly calling super().
Could you give any examples? I can't imagine how that's possible...
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Submit form on pressing Enter with AngularJS
...rective:
How can I detect onKeyUp in AngularJS?
EDIT (2014-08-28): At the time this answer was written, ng-keypress/ng-keyup/ng-keydown did not exist as native directives in AngularJS. In the comments below @darlan-alves has a pretty good solution with:
<input ng-keyup="$event.keyCode == 13 &...