大约有 7,700 项符合查询结果（耗时：0.0374秒） [XML]
How to include file in a bash shell script
...
Yes, use source or the short form which is just .:
. other_script.sh
share
|
improve this answer
|
follow
|
...
is there a require for json in node.js
...
well formed json helps too
– sdeburca
May 14 '15 at 9:44
|
show 6 more...
NSString property: copy or retain?
...
For attributes whose type is an immutable value class that conforms to the NSCopying protocol, you almost always should specify copy in your @property declaration. Specifying retain is something you almost never want in such a situation.
Here's why you want to do that:
NSMutableStrin...
Conceptually, how does replay work in a game?
...s already solved. Another method may be to treat random numbers as another form of input and save those alongside keypresses and the like.
– Kylotan
Jun 28 '10 at 11:00
1
...
Why does writeObject throw java.io.NotSerializableException and how do I fix it?
...ch do not implement Serializable. In your case the offending class is TransformGroup. How to solve it?
if the class is yours, make it Serializable
if the class is 3rd party, but you don't need it in the serialized form, mark the field as transient
if you need its data and it's third party, conside...
How to remove unreferenced blobs from my git repo
...efs/original/ .git/refs/remotes/ .git/*_HEAD .git/logs/
git for-each-ref --format="%(refname)" refs/original/ | xargs -n1 --no-run-if-empty git update-ref -d
You might also need to remove some tags, thanks Zitrax:
git tag | xargs git tag -d
I put all this in a script: git-gc-all-ferocious.
...
Rails: convert UTC DateTime to another time zone
...
I'm using simple_form in Rails 4 and I just added the input field as
<%= f.input :time_zone, :as => :time_zone %>
with the migration
class AddTimeZoneColumnToTextmessage < ActiveRecord::Migration
def change
add_colum...
Why do some websites add “Slugs” to the end of URLs? [closed]
...
I recently changed my website url format from:
www.mywebsite.com/index.asp?view=display&postid=100
To
www.mywebsite.com/this-is-the-title-of-the-post
and noticed that click through rates to article increased about 300% after the change. It cer...
Only one expression can be specified in the select list when the subquery is not introduced with EXI
...to the column on the other side of the IN. So the query needs to be of the form:
SELECT * From ThisTable WHERE ThisColumn IN (SELECT ThatColumn FROM ThatTable)
You also want to add sorting so you can select just from the top rows, but you don't need to return the COUNT as a column in order to do ...
Forcing child to obey parent's curved borders in CSS
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
...