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How to run a program without an operating system?
...ng?
Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU?
...
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 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....
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 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 ...
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
...
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'...
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...