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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...et/manual/en/function.random-bytes.php
PHP 5 (outdated)
I was just looking into how to solve this same problem, but I also want my function to create a token that can be used for password retrieval as well. This means that I need to limit the ability of the token to be guessed. Because uniqid is bas...
Can I multiply strings in Java to repeat sequences? [duplicate]
...the rest.
Here's a sample to copy and paste:
public static String repeat(int count, String with) {
return new String(new char[count]).replace("\0", with);
}
public static String repeat(int count) {
return repeat(count, " ");
}
public static void main(String[] args) {
for (int n = 0; ...
How to get Spinner value?
... String that is displayed to the user), but not its value if you mapped an int array onto the spinner for example.
– A. Steenbergen
Feb 5 '15 at 13:58
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Remove the last three characters from a string
...ove the last three characters from the string you can use string.Substring(Int32, Int32) and give it the starting index 0 and end index three less than the string length. It will get the substring before last three characters.
myString = myString.Substring(0, myString.Length-3);
String.Substri...
How do I add the contents of an iterable to a set?
...
You can use the set() function to convert an iterable into a set, and then use standard set update operator (|=) to add the unique values from your new set into the existing one.
>>> a = { 1, 2, 3 }
>>> b = ( 3, 4, 5 )
>>> a |= set...
Why should I use core.autocrlf=true in Git?
...les from the repo (which should have LF line endings in this scenario) are converted to CRLF line endings on checkout to a Windows PC. All files are converted back to LF line endings on commit from a Windows PC. The way to get in trouble is to checkout initially to a Windows PC with the wrong core...
Runtime vs. Compile time
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The difference between compile time and run time is an example of what pointy-headed theorists call the phase distinction. It is one of the hardest concepts to learn, especially for people without much background in programming languages. To approach this problem, I find it helpful to ask
What...
What's the simplest way to print a Java array?
In Java, arrays don't override toString() , so if you try to print one directly, you get the className + '@' + the hex of the hashCode of the array, as defined by Object.toString() :
...
Find CRLF in Notepad++
... Format. In that case you can always go to Edit -> EOL Conversion -> Convert to Unix Format, and after the replacement switch it back and Edit -> EOL Conversion -> Convert to Windows Format.
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How do I have an enum bound combobox with custom string formatting for enum values?
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You could write an TypeConverter that reads specified attributes to look them up in your resources. Thus you would get multi-language support for display names without much hassle.
Look into the TypeConverter's ConvertFrom/ConvertTo methods, and u...