大约有 48,000 项符合查询结果（耗时：0.0550秒） [XML]
Chrome extension: accessing localStorage in content script
...tml
It is pretty easy to use like the other Chrome APIs and you can use it from any page context within Chrome.
// Save it using the Chrome extension storage API.
chrome.storage.sync.set({'foo': 'hello', 'bar': 'hi'}, function() {
console.log('Settings saved');
});
// Read it ...
scp (secure copy) to ec2 instance without password
...
from who understand how to connect to ec2 through ssh, just change the ssh command to scp and add the name file after the pem file.
– Claudio Santos
Sep 28 '13 at 12:08
...
Formatting floats without trailing zeros
...is:
'%g'%(3.140)
or, for Python 2.6 or better:
'{0:g}'.format(3.140)
From the docs for format: g causes (among other things)
insignificant trailing zeros [to be]
removed from the significand, and the
decimal point is also removed if there
are no remaining digits following it.
...
What does `someObject.new` do in Java?
...
It's the way to instantiate a non-static inner class from outside the containing class body, as described in the Oracle docs.
Every inner class instance is associated with an instance of its containing class. When you new an inner class from within its containing class it use...
How can I get a java.io.InputStream from a java.lang.String?
...
There is an adapter from Apache Commons-IO which adapts from Reader to InputStream, which is named ReaderInputStream.
Example code:
@Test
public void testReaderInputStream() throws IOException {
InputStream inputStream = new ReaderInputStr...
redirect COPY of stdout to log file from within bash script itself
...piers, which keeps STDERR
# as a separate stream - I did not want to steal from him by simply
# adding his answer to mine.
exec 2>&1
echo "foo"
echo "bar" >&2
Note that this is bash, not sh. If you invoke the script with sh myscript.sh, you will get an error along the lines of synta...
Remove all special characters from a string [duplicate]
...
Edit:
Hey, just a quick question, how can I prevent multiple hyphens from being next to each other? and have them replaced with just 1?
function clean($string) {
$string = str_replace(' ', '-', $string); // Replaces all spaces with hyphens.
$string = preg_replace('/[^A-Za-z0-9\-]/', ''...
how do i block or restrict special characters from input fields with jquery?
How do I block special characters from being typed into an input field with jquery?
19 Answers
...
How to remove/delete a large file from commit history in Git repository?
...ive to git-filter-branch specifically designed for removing unwanted files from Git history.
Carefully follow the usage instructions, the core part is just this:
$ java -jar bfg.jar --strip-blobs-bigger-than 100M my-repo.git
Any files over 100MB in size (that aren't in your latest commit) will b...
Listing and deleting Git commits that are under no branch (dangling?)
...
No output, nothing dangling (right?)
Note that commits referred to from your reflog are considered reachable.
What exactly is the state of that commit? How can I list all commits with similar state
Pass --no-reflogs to convince git fsck to show them to you.
How can I delete commits...