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How to use the “number_to_currency” helper method in the model rather than view?
...ed it for you. This is still not great, as you shouldn’t access a helper from a model.
Violate MVC & SRP. See fguillen’s answer for how to do this. I won’t echo it here because I don’t agree with it. Even more so, though, do I disagree with polluting your model with presentation methods ...
Is there a way to escape a CDATA end token in xml?
...ed JavaScript which removes spaces, you could be accessing a field by name from an array of names by index, such as "if(fields[fieldnames[0]]>3)" and now you have to change it to "if(fields[fieldnames[0]]]]><![CDATA[>3)", which defeats of purpose of using CDATA to make it more readable, ...
Convert SVG image to PNG with PHP
... ie8 or lower without requiring the user to install an svg viewer plugin - from SVG Wikipedia page: "All major modern web browsers, support and render SVG markup directly with the very notable exception of Microsoft Internet Explorer (IE)[3] The Internet Explorer 9 beta supports the basic SVG featur...
Index all *except* one item in python
...ething similar can be achieved using itertools without numpy
>>> from itertools import compress
>>> arr = range(1,10)
>>> mask = [1]*len(arr)
>>> mask[5]=0
>>> list(compress(arr,mask))
[1, 2, 3, 4, 5, 7, 8, 9]
...
How to show git log history for a sub directory of a git repo?
...
From directory foo/, use
git log -- A
You need the '--' to separate <path>.. from the <since>..<until> refspecs.
# Show changes for src/nvfs
$ git log --oneline -- src/nvfs
d6f6b3b Changes for Mac OS X...
When to use symbols instead of strings in Ruby?
... saving memory. So every time the interpreter reads :my_key it can take it from memory instead of instantiate it again. This is less expensive than initializing a new string every time.
You can get a list all symbols that are already instantiated with the command Symbol.all_symbols:
symbols_count...
Algorithm to detect corners of paper sheet in photo
...of a rush, so the code needs some errr...decoding...
I'll give a few tips from what I've seen you doing already, and then sort my code on my day off tomorrow.
First tip, OpenCV and python are awesome, move to them as soon as possible. :D
Instead of removing small objects and or noise, lower the c...
Automatically capture output of last command into a variable using Bash?
...t know of any variable that does this automatically. To do something aside from just copy-pasting the result, you can re-run whatever you just did, eg
vim $(!!)
Where !! is history expansion meaning 'the previous command'.
If you expect there to be a single filename with spaces or other characte...
Sleeping in a batch file
...
UPDATE
The timeout command, available from Windows Vista and onwards should be the command used, as described in another answer to this question. What follows here is an old answer.
Old answer
If you have Python installed, or don't mind installing it (it has oth...
How to avoid the need to specify the WSDL location in a CXF or JAX-WS generated webservice client?
When I generate a webservice client using wsdl2java from CXF (which generates something similar to wsimport), via maven, my services starts with codes like this:
...