大约有 6,600 项符合查询结果（耗时：0.0380秒） [XML]
Single script to run in both Windows batch and Linux Bash?
Is it possible to write a single script file which executes in both Windows (treated as .bat) and Linux (via Bash)?
11 Answ...
UDP vs TCP, how much faster is it? [closed]
For general protocol message exchange, which can tolerate some packet loss. How much more efficient is UDP over TCP?
15 An...
How should I read a file line-by-line in Python?
...ion. Other, hypothetical implementations of Python will not necessarily close the file "quickly enough" without the with block if they use some other scheme to reclaim memory.
In such an implementation, you might get a "too many files open" error from the OS if your code opens files faster than th...
How to get my IP address programmatically on iOS/macOS?
...
The following code finds all IPv4 and IPv6 addresses on an iOS or OSX device. The first getIPAddress method acts more or less as the older code in this answer: you can prefer either one or the other type address, and it always prefers WIFI over cellular (obviously you could change thi...
Casting vs using the 'as' keyword in the CLR
... so if you really care about introducing the smallest number of variables possible in every scope, you might still want to use is followed by a cast.
I don't think any of the answers so far (at the time of starting this answer!) have really explained where it's worth using which.
Don't do this:...
What's the difference between getRequestURI and getPathInfo methods in HttpServletRequest?
...need to match request paths to different handlers (actions) in order to choose the correct one.
4 Answers
...
Android : Check whether the phone is dual SIM
...icial multiple SIM API is available now from Android 5.1 onwards
Other possible option :
You can use Java reflection to get both IMEI numbers.
Using these IMEI numbers you can check whether the phone is a DUAL SIM or not.
Try following activity :
import android.app.Activity;
import androi...
In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
...a, and distribution builds. Each of these schemes would have a set of macros that were defined to gate certain behaviors at the project level. The simplest example is the DEBUG=1 macro that is defined by default for all Xcode projects in the default scheme for the Run build. One could query #ifde...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
...ur file
In the import wizard change the File_Origin to "65001 UTF" (or choose correct language character identifier)
Change the Delimiter to comma
Select where to import to and Finish
This way the special characters should show correctly.
...
How do I expand the output display to see more columns of a pandas DataFrame?
...hether to print out the full DataFrame repr for wide DataFrames
across multiple lines, `max_columns` is still respected, but the output will
wrap-around across multiple "pages" if it's width exceeds `display.width`.
display.float_format: [default: None] [currently: None]
: callable
...