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Safe integer parsing in Ruby
I have a string, say '123' , and I want to convert it to the integer 123 .
8 Answers
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How do I find the last occurrence of a substring in an NSString?
How would I get the last occurrence of an NSString within another NSString? For example, in "abc def ghi abc def ghi," I want to find the index of the second "abc," not the first. I know I could do this with a bunch of rangeOfStrings, but is there already a function for that?
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The simplest way to comma-delimit a list?
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Java 8 and later
Using StringJoiner class :
StringJoiner joiner = new StringJoiner(",");
for (Item item : list) {
joiner.add(item.toString());
}
return joiner.toString();
Using Stream, and Collectors:
return list.stream().
map(Object...
Java split() method strips empty strings at the end? [duplicate]
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You can specify to apply the pattern as often as possible with:
String[] de = data.split(";", -1);
See the Javadoc for the split method taking two arguments for details.
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How can I easily view the contents of a datatable or dataview in the immediate window
...izers. These are the text, HTML, and XML visualizers, all of which work on string objects, and the dataset visualizer, which works for DataSet, DataView, and DataTable objects.
To use it, break into your code, mouse over your DataSet, expand the quick watch, view the Tables, expand that, then view ...
Logging raw HTTP request/response in ASP.NET MVC & IIS7
...m = inner;
this.CopyStream = new MemoryStream();
}
public string ReadStream()
{
lock (this.InnerStream)
{
if (this.CopyStream.Length <= 0L ||
!this.CopyStream.CanRead ||
!this.CopyStream.CanSeek)
{
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In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
...the comparison is performed.
When you do: if ("0") console.log("ha"), the string value is being tested. Any non-empty string is true, while an empty string is false.
Equal (==)
If the two operands are not of the same type, JavaScript converts the operands then applies strict comparison. If...
Any gotchas using unicode_literals in Python 2.6?
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The main source of problems I've had working with unicode strings is when you mix utf-8 encoded strings with unicode ones.
For example, consider the following scripts.
two.py
# encoding: utf-8
name = 'helló wörld from two'
one.py
# encoding: utf-8
from __future__ import unic...
How to grep Git commit diffs or contents for a certain word?
...it contents).
Note that -G by default accepts a regex, while -S accepts a string, but can be modified to accept regexes using the --pickaxe-regex.
To illustrate the difference between -S<regex> --pickaxe-regex and -G<regex>, consider a commit with the following diff in the same file...
How to check if variable is string with python 2 and 3 compatibility
...: isinstance(x, str) in python-3.x but I need to check if something is a string in python-2.x as well. Will isinstance(x, str) work as expected in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
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