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Regex lookahead, lookbehind and atomic groups
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Examples
Given the string foobarbarfoo:
bar(?=bar) finds the 1st bar ("bar" which has "bar" after it)
bar(?!bar) finds the 2nd bar ("bar" which does not have "bar" after it)
(?<=foo)bar finds the 1st bar ("bar" which has "foo" be...
How to remove all whitespace from a string?
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## [4] NA
The base R approach: gsub
gsub replaces all instances of a string (fixed = TRUE) or regular expression (fixed = FALSE, the default) with another string. To remove all spaces, use:
gsub(" ", "", x, fixed = TRUE)
## [1] "xy" "←→"
## [3] "\t...
How do I handle newlines in JSON?
..." : 1, "stack" : "sometext\\n\\n"}';
(You need to escape the "\" in your string (turning it into a double-"\"), otherwise it will become a newline in the JSON source, not the JSON data.)
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Static Vs. Dynamic Binding in Java
...le in Java
public class StaticBindingTest {
public static void main(String args[]) {
Collection c = new HashSet();
StaticBindingTest et = new StaticBindingTest();
et.sort(c);
}
//overloaded method takes Collection argument
public Collection sort(Collection ...
Store output of subprocess.Popen call in a string
I'm trying to make a system call in Python and store the output to a string that I can manipulate in the Python program.
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TypeError: Cannot read property 'then' of undefined
Above function return a string like "failed".
However, when I try to run then function on it, it will return error of
2 Ans...
require file as string
...sing node + express and I am just wondering how I can import any file as a string. Lets say I have a txt file all I want is to load it into a variable as such.
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How to add line break for UILabel?
Let see that I have a string look like this:
21 Answers
21
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How do I sort an observable collection?
...;Person>,IEquatable<Person>
{
public string Name { get; set; }
public int Age { get; set; }
public int CompareTo(Person other)
{
if (this.Age == other.Age) return 0;
ret...
How to find available versions for a bower dependency
...ecific to a package. bower search prints all packages that has the query string as a substring.
– Yiling
Aug 29 '15 at 16:15
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