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How would you count occurrences of a string (actually a char) within a string?
...want to be able to search for whole strings, and not just characters:
src.Select((c, i) => src.Substring(i))
.Count(sub => sub.StartsWith(target))
Read as "for each character in the string, take the rest of the string starting from that character as a substring; count it if it starts wi...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
... general application may be Brute Force here.
Bubble Sort
Insertion Sort
Selection Sort
Traversing a simple 2D array
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Bash Templating: How to build configuration files from templates with Bash?
...omprehensive solution: These otherwise handy solutions do not allow you to selectively protect variable references from expansion (such as by \ -escaping them).
– mklement0
Mar 25 '15 at 21:48
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Remove duplicate lines without sorting [duplicate]
... sort by prepended number
Use cut to remove the line numbering (-f2- says 'select field 2 till end')
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Does Python SciPy need BLAS?
...tp://www.netlib.org/blas/blas.tgz
tar xzf blas.tgz
cd BLAS-*
## NOTE: The selected Fortran compiler must be consistent for BLAS, LAPACK, NumPy, and SciPy.
## For GNU compiler on 32-bit systems:
#g77 -O2 -fno-second-underscore -c *.f # with g77
#gfortran -O2 -std=legacy -fno-seco...
How to programmatically take a screenshot on Android?
How can I take a screenshot of a selected area of phone-screen not by any program but from code?
24 Answers
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How to enumerate an enum
...xample dummy = EnumExample.Combi;
/// foreach (var item in dummy.GetAllSelectedItems<EnumExample>())
/// {
/// Console.WriteLine(item);
/// }
/// </code>
/// </example>
public static IEnumerable<T> GetAllSelectedItems<T>(this Enum value)
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How do I add a class to a given element?
...').addClass('wait');
Removing the class
Performance
Using jQuery selectively is the best method for removing a class if your concerned with performance
var a = document.body, c = ' classname';
$(a).removeClass(c);
Without jQuery it's 32% slower
var a = document.body, c = ' classnam...
How do I force a favicon refresh?
...wing you will get an instant favicon refresh:
Hover over tab
Right Click
Select reload
Your favicon should now be refreshed
This is the easiest way I've found to refresh the favicon locally.
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How do I manually create a file with a . (dot) prefix in Windows? For example, .htaccess
...
Within Notepad select File > Save As...
File name: ".whatever you want" (with the leading dot)
You can do it in Explorer (in Windows 7) by adding a period at the end of the filename:
.whatever you want.
Windows will automatically re...