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How can I call controller/view helper methods from the console in Ruby on Rails?
...iew methods that your helper likely uses. Then extending YourHelperModule mixes its methods into your object letting you view their return values.
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Removing all non-numeric characters from string in Python
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Just to add another option to the mix, there are several useful constants within the string module. While more useful in other cases, they can be used here.
>>> from string import digits
>>> ''.join(c for c in "abc123def456" if c in digits)...
Integrated Markdown WYSIWYG text editor
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It's not true WYSIWYG though. It mixes the markdown into the editor window. What is sought in this question is an editor that shows both finished view and source in separate views (with a 'source' button on the toolbar, for fidgeting).
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Merge two branch revisions using Subversion
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This works for me: svn merge --force --allow-mixed-revisions -r 10:HEAD branch-a
– Minh Nguyen
Jul 9 '15 at 12:28
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Read logcat programmatically within application
I want to read and react to logcat logs within my application.
6 Answers
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LPCSTR, LPCTSTR and LPTSTR
... the code myself it would certainly have used xxx_cast<> rather than mixing two different bracket-based casting styles!
– AAT
Oct 12 '18 at 12:59
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How to identify if a webpage is being loaded inside an iframe or directly into the browser window?
...t origin; that is, in cross-origin situations.
– Art3mix
Dec 7 '18 at 17:12
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How to implement onBackPressed() in Fragments?
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@MaximeJallu in Kotlin solution, mixing safe calls (.?) and enforcing non-nulls (!!) can lead to NPEs - the cast is not always safe. I'd rather write if ((fragment as? IOnBackPressed)?.onBackPressed()?.not() == true) { ... } or more kotliney (fragment as? IO...
What does the Visual Studio “Any CPU” target mean?
...agree. The irony is there is no technological reason for not being able to mix 32-bit and 64-bit dependencies (just the lack of a thunking layer in the CLR) and I was disappointed back in early days of .NET when I saw bit-ness was still something to consider when deploying (considering this is a VM ...
How to Flatten a Multidimensional Array?
...s ONLY when every element of the array is an array. If the array comprises mixed types, such as scalars, an error will occur.
– Otheus
Nov 26 '19 at 14:05
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