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A Regex that will never be matched by anything

...plementation / flags*: $a Will match a character a after the end of the string. Good luck. WARNING: This expression is expensive -- it will scan the entire line, find the end-of-line anchor, and only then not find the a and return a negative match. (See comment below for more detail.) * Origi...
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Save string to the NSUserDefaults?

How to save a string into the NSUserDefaults ? 15 Answers 15 ...
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Does python have an equivalent to Java Class.forName()?

I have the need to take a string argument and create an object of the class named in that string in Python. In Java, I would use Class.forName().newInstance() . Is there an equivalent in Python? ...
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How to customize a Spinner in Android

... adapter like as Spinner spinner = (Spinner) findViewById(R.id.spinner1); String[] years = {"1996","1997","1998","1998"}; ArrayAdapter<CharSequence> langAdapter = new ArrayAdapter<CharSequence>(getActivity(), R.layout.spinner_text, years ); langAdapter.setDropDownViewResource(R.layout.s...
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C# Test if user has write access to a folder

...ate in the day for this post, but you might find this bit of code useful. string path = @"c:\temp"; string NtAccountName = @"MyDomain\MyUserOrGroup"; DirectoryInfo di = new DirectoryInfo(path); DirectorySecurity acl = di.GetAccessControl(AccessControlSections.All); AuthorizationRuleCollection rule...
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Creating a BLOB from a Base64 string in JavaScript

I have Base64-encoded binary data in a string: 12 Answers 12 ...
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How do I delete multiple rows in Entity Framework (without foreach)

... list of IDs, use a WHERE IN ({0}), and then the second argument should be String.Join(",", idList). – Langdon Jul 25 '16 at 22:06 ...
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Implements vs extends: When to use? What's the difference?

...public interface ExampleInterface { public void doAction(); public String doThis(int number); } public class sub implements ExampleInterface { public void doAction() { //specify what must happen } public String doThis(int number) { //specfiy what must happen ...
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How to push both value and key into PHP array

...like this array (size=3) 'type' => array (size=3) 0 => string 'text' (length=4) 1 => string 'text' (length=4) 2 => string 'text' (length=4) 'class' => array (size=3) 0 => string 'myclass1' (length=8) 1 => string 'myclass2' (length=8) ...
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Format a datetime into a string with milliseconds

I want to have a datetime string from the date with milliseconds. This code is typical for me and I'm eager to learn how to shorten it. ...