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do..end vs curly braces for blocks in Ruby
... invocation has parameters that are not enclosed in parentheses, the brace form of a block will bind to the last parameter, not to the overall invocation. The do form will bind to the invocation.
So the code
f param {do_something()}
Binds the block to the param variable while the code
f param ...
How to make a cross-module variable?
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I don't endorse this solution in any way, shape or form. But if you add a variable to the __builtin__ module, it will be accessible as if a global from any other module that includes __builtin__ -- which is all of them, by default.
a.py contains
print foo
b.py contains
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How can I limit possible inputs in a HTML5 “number” element?
...a popup telling him to enter a value within this range upon submitting the form as shown in this screenshot:
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How can I see which Git branches are tracking which remote / upstream branch?
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The first method above doesn't provide the desired information for me. The second ... seems overkill, esp since Kubi's answer works. Am I missing something?
– garyp
Aug 29 '12 at 13:24
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Add text to Existing PDF using Python
...u modify the code to put something on the second page of the pdf? I have a form that uses two pages and I am stuck on the first page. Thanks in advance.
– DavidV
Feb 12 '19 at 19:23
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Why does range(start, end) not include end?
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@marcog - when you know the two forms exist your eyes attune to the difference :)
– Skilldrick
Dec 21 '10 at 23:48
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Why use apparently meaningless do-while and if-else statements in macros?
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Note: the if(1) {...} else void(0) form is safer than the do {...} while(0) for macros whose parameters are code that is included in the macro expansion, because it doesn't alter the behavior of the break or continue keywords. For example: for (int i = 0; i &l...
Strip HTML from strings in Python
...g to find a way to only show the contents of each HTML element and not the formatting itself. If it finds '<a href="whatever.com">some text</a>' , it will only print 'some text', '<b>hello</b>' prints 'hello', etc. How would one go about doing this?
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Linq with group by having count
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Thanks for providing both forms of syntax! :D
– Jess
Nov 17 '15 at 20:38
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val() vs. text() for textarea
...sted in Chrome 33)
What's best is that .val() works seamlessly with other form elements too (like input) whereas .text() fails.
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