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Sort a single String in Java
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toCharArray followed by Arrays.sort followed by a String constructor call:
import java.util.Arrays;
public class Test
{
public static void main(String[] args)
{
String original = "edcba";
char[] chars = original.toCharArray();
Arrays.sort(chars);
Strin...
hasNext in Python iterators?
...ethod to put the first element back after I have checked that it exists by calling next().
– Giorgio
Dec 24 '12 at 20:26
16
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Clear variable in python
...you were to overwrite keywords - then you would still get errors trying to call a none type. Use del variable
– Dustin K
Aug 21 '19 at 20:53
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node.js require all files in a folder?
... require is a synchronous function so there is no benefits from callback. I would use fs.readdirSync instead.
– Rafał Sobota
Jan 10 '12 at 22:35
4
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How can I get enum possible values in a MySQL database?
... want to populate my dropdowns with enum possible values from a DB automatically. Is this possible in MySQL?
24 Answers
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How to use OpenFileDialog to select a folder?
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Basically you need the FolderBrowserDialog class:
Prompts the user to select a folder. This class cannot be inherited.
Example:
using(var fbd = new FolderBrowserDialog())
{
DialogResult result = fbd.ShowDialog();
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How do I escape curly braces for display on page when using AngularJS?
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what if the {{value}} is inside of an input tag value?
– Timo Huovinen
Aug 21 '15 at 12:15
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Determine on iPhone if user has enabled push notifications
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Call enabledRemoteNotificationsTypes and check the mask.
For example:
UIRemoteNotificationType types = [[UIApplication sharedApplication] enabledRemoteNotificationTypes];
if (types == UIRemoteNotificationTypeNone)
// ...
Pro JavaScript programmer interview questions (with answers) [closed]
...ave that answer, and should probably mention function-level scope. Anyone calling themselves an "advanced" JS programmer should be prepared to talk about locals, implied globals, the window object, function-scope, declaration hoisting, and scope chains. Furthermore, I'd love to hear about [[DontDe...
How can I count all the lines of code in a directory recursively?
...es. That could be fixed by using print0 and --null with the find and xargs calls, respectively.
– Michael Wild
May 24 '16 at 5:01
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