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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...
Print an integer in binary format in Java
...ming you mean "built-in":
int x = 100;
System.out.println(Integer.toBinaryString(x));
See Integer documentation.
(Long has a similar method, BigInteger has an instance method where you can specify the radix.)
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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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Cannot convert lambda expression to type 'string' because it is not a delegate type [duplicate]
...t please described on Kendo UI : Cannot convert lambda expression to type 'string' because it is not a delegate type? Thanks in advance.
– Jack
Feb 5 '15 at 14:31
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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.
15...
How to get just the parent directory name of a specific file
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Use File's getParentFile() method and String.lastIndexOf() to retrieve just the immediate parent directory.
Mark's comment is a better solution thanlastIndexOf():
file.getParentFile().getName();
These solutions only works if the file has a parent file (e.g.,...
PowerShell equivalent to grep -f
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The -Pattern parameter in Select-String supports an array of patterns. So the one you're looking for is:
Get-Content .\doc.txt | Select-String -Pattern (Get-Content .\regex.txt)
This searches through the textfile doc.txt by using every regex(one per line)...
Android get color as string value
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This is your answer
colorStr=getResources().getString(R.color.someColor);
you will get
colorStr = "#123456"
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f...
Why should hash functions use a prime number modulus?
... by taking the "component parts" of the input (characters in the case of a string), and multiplying them by the powers of some constant, and adding them together in some integer type. So for example a typical (although not especially good) hash of a string might be:
(first char) + k * (second char)...
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...