大约有 46,000 项符合查询结果（耗时：0.0466秒） [XML]
What is the use case of noop [:] in bash?
...can discover that : ignores them. Mostly, you are just making the shell do extra work in expanding * to a list of files in the current directory; it won't actually affect how the script works.
– chepner
Nov 5 '14 at 14:48
...
Managing Sessions in Node.js? [closed]
...chalabs.github.com/connect/
Connects is like Rack in Ruby. It gives you an extra layer where you can "play" with authentication, sessions, cookies, among others.
Other option is to use frameworks:
Express.js: http://expressjs.com/
It seems to be the most used node.js framework. Is like Sinatra fo...
Check if a given key already exists in a dictionary
...
this also avoids an extra allocation. (important for making tight loops a bit faster)
– nurettin
Dec 9 '18 at 9:19
add a...
How to strike through obliquely with css
...e a border, then rotate it with a CSS transform. Doing it this way adds no extra elements to the DOM, and adding/removing the strikethrough is a simple as adding/removing the class.
Here's a demo
Caveats
This will only work down to IE8. IE7 does not support :before, however will degrade graceful...
Android: how to make keyboard enter button say “Search” and handle its click?
..."match_parent"
android:layout_height="wrap_content"
android:hint="@string/search"
android:imeOptions="actionSearch"
android:inputType="text"
android:maxLines="1" />
share
|
i...
android fragment- How to save states of views in a fragment when another fragment is pushed on top o
... data:
public class FragmentA extends Fragment {
private static final String PERSISTENT_VARIABLE_BUNDLE_KEY = "persistentVariable";
private EditText persistentVariableEdit;
public FragmentA() {
setArguments(new Bundle());
}
@Override
public View onCreateView(Layou...
Javascript - Append HTML to container element without innerHTML
...L() method. Check it out here. The first parameter is where you want the string appended and takes ("beforebegin", "afterbegin", "beforeend", "afterend"). In the OP's situation you would use "beforeend". The second parameter is just the html string.
Basic usage:
var d1 = document.getElementByI...
Python add item to the tuple
...
>>> x = (u'2',)
>>> x += u"random string"
Traceback (most recent call last):
File "<pyshell#11>", line 1, in <module>
x += u"random string"
TypeError: can only concatenate tuple (not "unicode") to tuple
>>> x += (u"random string", ...
Can I change multiplier property for NSLayoutConstraint?
...NSLayoutConstraint to respond for bounds change or device rotation without extra code.
– tzaloga
Jul 5 '16 at 14:40
...
Android: Is it possible to display video thumbnails?
...use since API level 8 (2.2)
public static Bitmap createVideoThumbnail (String filePath, int kind)
Android documentation
The following code runs perfectly:
Bitmap bMap = ThumbnailUtils.createVideoThumbnail(file.getAbsolutePath(), MediaStore.Video.Thumbnails.MICRO_KIND);
...