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How can I call controller/view helper methods from the console in Ruby on Rails?

....response # you now have a rails response object much like the integration tests > response.body # get you the HTML > response.cookies # hash of the cookies # etc, etc share | ...
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Copy constructor for a class with unique_ptr

...nique_ptr is not copyable, it is only moveable. This will directly affect Test, which is, in your second, example also only moveable and not copyable. In fact, it is good that you use unique_ptr which protects you from a big mistake. For example, the main issue with your first code is that the po...
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How can I check if a file exists in Perl?

... Test whether something exists at given path using the -e file-test operator. print "$base_path exists!\n" if -e $base_path; However, this test is probably broader than you intend. The code above will generate output if a p...
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Best way to alphanumeric check in JavaScript

... /^[a-z0-9]+$/i.test( TCode ) – Alex V Oct 14 '13 at 18:12 3 ...
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Right way to initialize an OrderedDict using its constructor such that it retains order of initial d

...ly maintains an order. Since a dict has an unpredictable order, what if my test vectors luckily has the same initial order as the unpredictable order of a dict?. For example, if instead of d = OrderedDict({'b':2, 'a':1}) I write d = OrderedDict({'a':1, 'b':2}), I can wrongly conclude that the order ...
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How to debug a bash script? [closed]

...teresting https://github.com/koalaman/shellcheck A little example: $ cat test.sh ARRAY=("hello there" world) for x in $ARRAY; do echo $x done $ shellcheck test.sh In test.sh line 3: for x in $ARRAY; do ^-- SC2128: Expanding an array without an index only gives the first element. ...
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Count immediate child div elements using jQuery

...$('#foo').children().size() for better performance. I've created a jsperf test to see the speed difference and the children() method beaten the child selector (#foo > div) approach by at least 60% in Chrome (canary build v15) 20-30% in Firefox (v4). By the way, needless to say, these two approa...
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Java Reflection Performance

...alled frequently in performance-sensitive applications. Here's a simple test I hacked up in 5 minutes on my machine, running Sun JRE 6u10: public class Main { public static void main(String[] args) throws Exception { doRegular(); doReflection(); } public static ...
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Argparse: Required argument 'y' if 'x' is present

...n and proxy ports') That saves your users typing. It is just as easy to test if args.prox is not None: as if args.prox:. share | improve this answer | follow ...
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Using os.walk() to recursively traverse directories in Python

... ┃ ┣━modules.xml ┃ ┣━vcs.xml ┃ ┗━workspace.xml ┣━[test1] ┃ ┗━test1.txt ┣━[test2] ┃ ┣━[test2-2] ┃ ┃ ┗━[test2-3] ┃ ┃ ┣━test2 ┃ ┃ ┗━test2-3-1 ┃ ┗━test2 ┣━folder_tree_maker.py ┗━tree.py ...