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How can I get last characters of a string
...stChar = id.substr(id.length - 1); // => "1"
This gets the characters starting at id.length - 5 and, since the second argument for .substr() is omitted, continues to the end of the string.
You can also use the .slice() method as others have pointed out below.
If you're simply looking to find ...
Error to run Android Studio
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This helped. On Ubuntu 15.10 I had to start studio with JAVA_HOME=/usr/lib/jvm/java-7-openjdk-amd64/ ./studio.sh
– rubo77
Feb 1 '16 at 22:43
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How to change time in DateTime?
...ese events as they occur.
This is the kind of thing which motivated me to start the Noda Time project, which is now production-ready. Its ZonedDateTime type is made "aware" by linking it to a tz database entry.
share
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Can't update Macports (with Mac OS X Mavericks)
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Installed 2.2.1, and everything started working again. Didn't have to remove anything. Thank you for the pointer.
– Alex Polkhovsky
Oct 29 '13 at 17:35
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Use CSS3 transitions with gradient backgrounds
...und-repeat: repeat-x;
filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff50abdf', endColorstr='#ff1f78aa', GradientType=0);
background-repeat: repeat-y;
background-size: 100% 90px;
background-position: 0 -30px;
-webkit-transition: all 0.2s linear;
-moz-transition: al...
Bomb dropping algorithm
...optimal solution. The first won't make sense without the second, so I'll
start with the why.
If you think of bombing the rectangle (assume a big rectangle - no edge cases yet)
you can see that the only way to reduce the hollow rectangle of squares on the
perimeter to 0 is to bomb either the peri...
Java equivalent of unsigned long long?
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This answer is a little outdated (it was posted 2009). Starting Java 8 (released March 2014), there is support for unsigned long. Check an example I posted below as an answer.
– Amr
Jan 19 '15 at 8:44
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Does Go provide REPL?
...omething in Go that I can't run in Playground I open a simple .go file and start coding and simply run the code. This will be even easier when the go command in Go 1 makes one-command build process possible and way easier.
UPDATE: Latest weekly release of Go added go command which can be used to ve...
Simulate limited bandwidth from within Chrome?
...set the peak detection window size to 100 KB. firefox tells the command to start firefox with all of this rate limiting applied to any sites it attempts to load.
Update
Chrome 38 is out now and includes throttling. To find it, bring up the Developer Tools: Ctrl+Shift+I does it on my machine, other...
Android: ScrollView force to bottom
I would like a ScrollView to start all the way at the bottom. Any methods?
16 Answers
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