大约有 35,483 项符合查询结果（耗时：0.0455秒） [XML]
How do I clear all options in a dropdown box?
...DropList");
var length = select.options.length;
for (i = length-1; i >= 0; i--) {
select.options[i] = null;
}
share
|
improve this answer
|
follow
|
...
Android accelerometer accuracy (Inertial navigation)
...useless in practice.
Here is an explanation why (Google Tech Talk) at 23:20. I highly recommend this video.
It is not the accelerometer noise that causes the problem but the gyro white noise, see subsection 6.2.3 Propagation of Errors. (By the way, you will need the gyroscopes too.)
As for indoor...
Using awk to print all columns from the nth to the last
...
will print all but very first column:
awk '{$1=""; print $0}' somefile
will print all but two first columns:
awk '{$1=$2=""; print $0}' somefile
share
|
improve this answer
...
close vs shutdown socket?
... |
edited Feb 14 at 9:08
red0ct
3,94333 gold badges1212 silver badges3434 bronze badges
answered Nov...
How to backup a local Git repository?
... if we are inside a git repo
`git status 2>&1`
if $?.exitstatus != 0
puts 'fatal: Not a git repository: .git or at least cannot get zero exit status from "git status"'
exit 2
else # git status success
until File::directory?( Dir.pwd + '/' + git_dir_name ) \
...
Is AngularJS just for single-page applications (SPAs)?
...
Ben LeshBen Lesh
104k4747 gold badges242242 silver badges231231 bronze badges
...
PHP cURL custom headers
...
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'X-Apple-Tz: 0',
'X-Apple-Store-Front: 143444,12'
));
http://www.php.net/manual/en/function.curl-setopt.php
share
|
improve this a...
How can I exclude some folders from my Eclipse project?
...
answered Jul 27 '09 at 12:30
Rich SellerRich Seller
78.3k2222 gold badges167167 silver badges173173 bronze badges
...
What does it mean if a Python object is “subscriptable” or not?
... |
edited Apr 2 at 14:10
BiAiB
9,22466 gold badges3535 silver badges5454 bronze badges
answered Oct 1...
SQL - many-to-many table primary key
...
|
edited Apr 30 '15 at 3:16
answered Feb 3 '10 at 7:20
...