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Difference between matches() and find() in Java Regex
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matches tries to match the expression against the entire string and implicitly add a ^ at the start and $ at the end of your pattern, meaning it will not look for a substring. Hence the output of this code:
public static void main(String[] args) throws ParseException {
Pattern...
Efficiently convert rows to columns in sql server
...######################
--###| Step 2 - Preparing lists of column groups as strings:
--#######################################################################################################################
DECLARE @ColumnName nvarchar(128)
DECLARE @Destiny ...
iOS Equivalent For Android Shared Preferences
...:
NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
NSString *currentLevelKey = @"currentlevel";
if ([preferences objectForKey:currentLevelKey] == nil)
{
// Doesn't exist.
}
else
{
// Get current level
const NSInteger currentLevel = [preferences integerForKey:curr...
Set default syntax to different filetype in Sublime Text 2
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Edit the new Makefile.tmLanguage by adding the "firstLineMatch" key and string after the "fileTypes" section. In the example below, the last two lines are new (should be added by you). The <string> section holds the regular expression, that will enable syntax highlighting for the files that...
What is a StoryBoard ID and how can i use this?
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The storyboard ID is a String field that you can use to create a new ViewController based on that storyboard ViewController. An example use would be from any ViewController:
//Maybe make a button that when clicked calls this method
- (IBAction)bu...
How can I count the number of matches for a regex?
Let's say I have a string which contains this:
5 Answers
5
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jQuery Validate Required Select
...the most simple solution
just set the value of the first option to empty string value=""
<option value="">Choose...</option>
and jquery validation required rule will work
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Regular expression for letters, numbers and - _
...will be slightly more complicated.
The above regex also matches the empty string. If you need at least one character, then use + (one-or-more) instead of * (zero-or-more) for repetition.
In any case, you can further clarify your specification (always helps when asking regex question), but hopefull...
How to hash a string into 8 digits?
Is there anyway that I can hash a random string into a 8 digit number without implementing any algorithms myself?
4 Answers...
How do I use IValidatableObject?
...upedByMembers)
{
ModelState.AddModelError(
member.Key,
string.Join(". ", member.Select(m => m.Error)));
}
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