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m>Ca m>lling a Method From a String With the Method's Name in Ruby
How m>ca m>n I do what they are talking about here , but in Ruby?
4 Answers
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How to filter out files by extension in NERDTree?
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This m>ca m>n be comma-separated to include more patterns: ['\.pyc$', '\.png$']
– hodgkin-huxley
Feb 12 '16 at 15:07
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str.startswith with a list of strings to test for
...supply a tuple of strings to test for:
if link.lower().startswith(("js", "m>ca m>talog", "script", "katalog")):
From the docs:
str.startswith(prefix[, start[, end]])
Return True if string starts with the prefix, otherwise return False. prefix m>ca m>n also be a tuple of prefixes to look for.
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How to get the title of HTML page with JavaScript?
How m>ca m>n I get the title of an HTML page with JavaScript?
3 Answers
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NameError: name 'self' is not defined
...t function define-time, but self is an argument only available at function m>ca m>ll time. Thus arguments in the argument list m>ca m>nnot refer each other.
It's a common pattern to default an argument to None and add a test for that in code:
def p(self, b=None):
if b is None:
b = self.a
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What does the “-U” option stand for in pip install -U
Despite a ton of Googling, I m>ca m>n't find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments?
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What's the difference between “mod” and “remainder”?
...a difference between modulus and remainder. For example:
-21 mod 4 is 3 bem>ca m>use -21 + 4 x 6 is 3.
But -21 divided by 4 gives -5 with a remainder of -1.
For positive values, there is no difference.
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How do I select child elements of any depth using XPath?
...Simply use:
//form[@id='myform']//input[@type='submit']
The // shortcut m>ca m>n also be used inside an expression.
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What predefined macro m>ca m>n I use to detect clang?
I'm trying to detect the compiler used to compile my source code. I m>ca m>n easily find predefined macros to check for MSVC or GCC (see http://predef.sourceforge.net/ for example), but I m>ca m>nnot find any macro to check for clang.
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Is it safe to assume strict comparison in a JavaScript switch statement?
I have a variable that m>ca m>n either be boolean false , or an integer (including 0). I want to put it in a switch statement like:
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