大约有 44,000 项符合查询结果（耗时：0.0775秒） [XML]
How do I connect to a specific Wi-Fi network in Android programmatically?
I want to design an app which shows a list of Wi-Fi networks available and connect to whichever network is selected by the user.
...
How do you get the “object reference” of an object in java when toString() and hashCode() have been
...urantee, but the default implementation from Sun. Things like s = "Hello" and t = "Hello" would probably result in s and t having the same identityHashCode as they really are the same object.
– TofuBeer
Feb 24 '09 at 15:23
...
Pretty printing XML in Python
...ered Jul 30 '09 at 14:12
Ben NolandBen Noland
30.7k1616 gold badges4747 silver badges4949 bronze badges
...
Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
I have an R data frame containing a factor that I want to "expand" so that for each factor level, there is an associated column in a new data frame, which contains a 1/0 indicator. E.g., suppose I have:
...
Print a file's last modified date in Bash
...
You can use the
stat
command
stat -c %y "$entry"
More info
%y time of last modification, human-readable
share
|
improve this answer
...
What is `mt=8` in iTunes links for the App Store?
...menter above, in case you haven't figured out, ls=1 means the URL will try and open iTunes and follow the link. If ls=1 is not included it will simply load the web page for that particular media asset.
– Rog
Feb 3 '12 at 0:14
...
JavaScript equivalent of PHP’s die
...
this is absolutely the answer and works just like die(); however one should not care for the red "1 Error" of firebug!
– Alexar
Dec 21 '10 at 23:52
...
How do I parse a string to a float or int?
...
You should handle ValueError if you want to be safe
– Joe Bobson
Sep 9 '18 at 13:20
...
How to dynamically update a ListView on Android [closed]
On Android, how can I a ListView that filters based on user input, where the items shown are updated dynamically based on the TextView value?
...
How to find out what group a given user has?
In Unix/Linux, how do you find out what group a given user is in via command line?
5 Answers
...