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How to read data when some numbers contain commas as thousand separator?
... some of the numerical values are expressed as strings with commas as thousand separator, e.g. "1,513" instead of 1513 . What is the simplest way to read the data into R?
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node.js hash string?
...n satisfactory. Compatibility with the npm ecosystem
is a high priority, and will not be broken unless absolutely necessary.
So, it should be considered safe to use the native implementation, without external dependencies.
For reference, the modules mentioned bellow were suggested as alternativ...
Invalid date format specification in gemspec
I am getting the following error when I try to use gems in windows, and I also referred to
this stackoverflow post and updated rubygems and rails. But nothing could solve the problem.
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Best practices for adding .gitignore file for Python projects? [closed]
I'm trying to collect some of my default settings, and one thing I realized I don't have a standard for is .gitignore files. There's a great thread showing a good .gitignore for Visual Studio projects , but I don't see many recommendations for Python and related tools (PyGTK, Django).
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How to get the last value of an ArrayList
...seem very efficient to me. I come from C++, where there are actual front() and back() methods on the list object, that are internally implemented with head and tail references. Is there a similar mechanism in Java?
– Brady
Oct 13 '14 at 9:18
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How to escape braces (curly brackets) in a format string in .NET
...";
string v = String.Format(" foo {{{0}}}", t);
To output a { you use {{ and to output a } you use }}.
or Now, you can also use c# string interpolation like this (feature available in C# 6.0)
Escaping Brackets: String Interpolation $(""). it is new feature in C# 6.0
var inVal = "1, 2, 3";
var o...
How can I tell how many objects I've stored in an S3 bucket?
... no way, unless you
list them all in batches of 1000 (which can be slow and suck bandwidth - amazon seems to never compress the XML responses), or
log into your account on S3, and go Account - Usage. It seems the billing dept knows exactly how many objects you have stored!
Simply downloading th...
How to avoid long nesting of asynchronous functions in Node.js
... that data from my DB. I'm just a newbie in Node.js, so as far as I understand, if I want to use all of them in a single page (HTTP response) I'd have to nest them all:
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How do I create a comma-separated list from an array in PHP?
I know how to loop through items of an array using foreach and append a comma, but it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
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Detect enter press in JTextField
...r while typing in a JTextField in java? Without having to create a button and set it as the default.
10 Answers
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