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Difference between matches() and find() in Java Regex
...tch 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 p = Pattern.compile("\\d\\d\\d");
...
How can I change the color of a part of a TextView?
...Network DEF");
String str = spannable.toString();
iStart = str.indexOf("In-Network");
iEnd = iStart + 10;/*10 characters = in-network. */
SpannableString ssText = new SpannableString(spannable);
ClickableSpan clickableSpan = new ClickableS...
How to make an Android device vibrate?
...
Grant Vibration Permission
Before you start implementing any vibration code, you have to give your application the permission to vibrate:
<uses-permission android:name="android.permission.VIBRATE"/>
Make sure to include this line in your AndroidManifest....
How to create an installer for a .net Windows Service using Visual Studio
...ing. Here's a bit of sample code from one of my services you can use as a starting point.
public static int Main(string[] args)
{
if (System.Environment.UserInteractive)
{
// we only care about the first two characters
string arg = args[0].ToLowerInvariant().Substring(0, 2)...
MySQL: Transactions vs Locking Tables
...eiver, and your telephone gets repossessed.
So... enter transactions. You start a transaction, you debit your account $20, you try to credit the receiver with $20... and something blows up again. But this time, instead of exit(), the code can just do rollback, and poof, your $20 is magically added ...
eclipse stuck when building workspace
...on:
mv .metadata\.plugins\org.eclipse.core.resources\.projects projects
Start and exit Eclipse, then move the .projects folder back to where it was originally:
mv projects .metadata\.plugins\org.eclipse.core.resources\.projects
Use at your own risk, of course.
...
How do I run Redis on Windows?
...e. I just copied c:\program files\Redis\conf\redis-dist.conf. Then I could start the service from the services control panel (or 'net start redis' from a command line)
– solublefish
May 24 '13 at 3:49
...
GroupBy pandas DataFrame and select most common value
...k, fiddle with the implementation of foo for a bit. If you're still having starting trouble, I recommend opening a new Q.
– cs95
Mar 26 '19 at 10:51
1
...
How to use Elasticsearch with MongoDB?
...sources list.
echo 'deb http://downloads-distro.mongodb.org/repo/ubuntu-upstart dist 10gen' | sudo tee /etc/apt/sources.list.d/mongodb.list
Get the 10gen package.
sudo apt-get install mongodb-10gen
Then pick your version if you don't want the most recent. If you are setting your environment up...
How to replace all occurrences of a character in string?
... str, const std::string& from, const std::string& to) {
size_t start_pos = 0;
while((start_pos = str.find(from, start_pos)) != std::string::npos) {
str.replace(start_pos, from.length(), to);
start_pos += to.length(); // Handles case where 'to' is a substring of 'from'...