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Generating all permutations of a given string
What is an elegant way to find all the permutations of a string. E.g. permutation for ba , would be ba and ab , but what about longer string such as abcdefgh ? Is there any Java implementation example?
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How to .gitignore all files/folder in a folder, but not the folder itself? [duplicate]
... something in it, even just an empty file.
For example, add an empty file called .gitkeep to the folder you want to keep, then in your .gitignore file write:
# exclude everything
somefolder/*
# exception to the rule
!somefolder/.gitkeep
Commit your .gitignore and .gitkeep files and this should re...
How to get a list of all valid IP addresses in a local network? [closed]
Is there a way to get a list of all valid IP addresses in a local network?
3 Answers
3...
Android Studio Collapse definitions and methods
How can I collapse all definitions and methods within the Android Studio editor?
14 Answers
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How to extract img src, title and alt from html using php? [duplicate]
I would like to create a page where all images which reside on my website are listed with title and alternative representation.
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How to remove all namespaces from XML with C#?
...oking for the clean, elegant and smart solution to remove namespacees from all XML elements? How would function to do that look like?
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How to check if multiple array keys exists
... check (like in the original question), it's probably easy enough to just call array_key_exists() twice to check if the keys exists.
if (array_key_exists("story", $arr) && array_key_exists("message", $arr)) {
// Both keys exist.
}
However this obviously doesn't scale up well to many k...
List of all index & index columns in SQL Server DB
How do I get a list of all index & index columns in SQL Server 2005+? The closest I could get is:
30 Answers
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Pandas: Setting no. of max rows
...s default value like this:
pd.reset_option('display.max_rows')
And reset all of them back:
pd.reset_option('all')
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How to remove all event handlers from an event
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I found a solution on the MSDN forums. The sample code below will remove all Click events from button1.
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
button1.Click += button1_Click;
button1.Click += button1_Click2;
button2.Clic...