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NSDate beginning of day and end of day
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Start Of Day / End Of Day — Swift 4
// Extension
extension Date {
var startOfDay: Date {
return Calendar.current.startOfDay(for: self)
}
var endOfDay: Date {
var components = DateComponents(...
Writing a compiler in its own language
...piler to another architecture of microprocessor the bootstrapping should restart from a working compiler for that architecture. Is this right? If this is right this means that is better to keep the first compiler as it could be useful to port your compiler to other architectures (especially if is wr...
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");
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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?
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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.
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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
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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
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