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What and When to use Tuple? [duplicate]
May someone please explain what a Tuple is and how to use it in a Real World Scenario. I would like to find out how this can enrich my coding experience?
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Iteration over std::vector: unsigned vs signed index variable
What is the correct way of iterating over a vector in C++?
17 Answers
17
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Create directories using make file
I'm a very new to makefiles and i want to create directories using makefile. My project directory is like this
9 Answers
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How do I remove leading whitespace in Python?
...wline and tab characters on a string beginning:
>>> ' hello world!'.lstrip()
'hello world!'
Edit
As balpha pointed out in the comments, in order to remove only spaces from the beginning of the string, lstrip(' ') should be used:
>>> ' hello world with 2 spaces and a tab!...
How do you scroll up/down on the Linux console?
I recognize that Up / Down will give you the command history. But, how do you look at past output by scrolling up and down?
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R - Concatenate two dataframes?
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If you're getting the union of more than 2 data frames, you can use Reduce(rbind, list_of_data_frames) to mash them all together!
– Yourpalal
Aug 13 '15 at 21:12
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Ruby on Rails console is hanging when loading
For whatever reason, the Ruby on Rails console refuses to start; it just hangs. I haven't made any changes to my code, and other projects using the same version of Ruby and Ruby on Rails have no issue. When I finally Ctrl + C I get this stack trace, which points to Spring.
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Rails 4 - passing variable to partial
I am following the Ruby on Rails tutorial and have come across a problem while trying to pass variables to partials.
7 Answ...
Get second child using jQuery
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grab the second child:
$(t).children().eq(1);
or, grab the second child <td>:
$(t).children('td').eq(1);
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Get HTML Source of WebElement in Selenium WebDriver using Python
...u can read innerHTML attribute to get source of the content of the element or outerHTML for source with the current element.
Python:
element.get_attribute('innerHTML')
Java:
elem.getAttribute("innerHTML");
C#:
element.GetAttribute("innerHTML");
Ruby:
element.attribute("innerHTML")
JS:
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