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Fade Effect on Link Hover?
... |
edited Feb 24 '15 at 7:05
answered May 15 '11 at 12:37
M...
Clearing a string buffer/builder after loop
...ete method as follows:
StringBuffer sb = new StringBuffer();
for (int n = 0; n < 10; n++) {
sb.append("a");
// This will clear the buffer
sb.delete(0, sb.length());
}
Another option (bit cleaner) uses setLength(int len):
sb.setLength(0);
See Javadoc for more info:
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Scaling Node.js
...like to know what the general principles are for scaling node up to, say, 20 queries per second.
1 Answer
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Looping through array and removing items, without breaking for loop
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edited Dec 8 '17 at 17:03
community wiki
4 r...
How to fix the uninitialized constant Rake::DSL problem on Heroku?
...
205
Put this in your Rakefile above require 'rake':
require 'rake/dsl_definition'
...
Why is null an object and what's the difference between null and undefined?
...rs♦
839k212212 gold badges32183218 silver badges28092809 bronze badges
answered Apr 29 '09 at 13:31
RobRob
46.1k44 gold badges69...
Convert string to integer type in Go?
... "os"
"strconv"
)
func main() {
flag.Parse()
s := flag.Arg(0)
// string to int
i, err := strconv.Atoi(s)
if err != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
...
How to run cron job every 2 hours
...
Just do:
0 */2 * * * /home/username/test.sh
The 0 at the beginning means to run at the 0th minute. (If it were an *, the script would run every minute during every second hour.)
Don't forget, you can check syslog to see if it eve...
UITextfield leftView/rightView padding on iOS7
...
90
Was just working on this myself and used this solution:
- (CGRect) rightViewRectForBounds:(CGRe...
UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...y, by changing contentoffset
[self.tableView setContentOffset:CGPointMake(0, -self.refreshControl.frame.size.height) animated:YES];
I would guess the reason for this is that it could be undesirable to scroll to the refresh control when user is in the middle/bottom of the table view?
Swift 2.2 ve...