大约有 30,000 项符合查询结果（耗时：0.0489秒） [XML]
Using the scrollwheel in GNU screen
...ng lines. In fact, I'm using screen via Konsole in KDE (tabbed xterm, basically), and the scrollbar for the Konsole window works the same way. But there's a problem: If you switch between screen's windows (^A-n, ^A-p), your scrollback buffer gets messed up. The contents of any windows you switch i...
Does python have an equivalent to Java Class.forName()?
...asy to shoot yourself in the foot by overwriting names in your scope dynamically and just as easy to open a security flaw the size of Rhode Island.
– Serafina Brocious
Jan 17 '09 at 8:52
...
Effective way to find any file's Encoding
... var encoding = reader.CurrentEncoding;
}
The trick is to use the Peek call, otherwise, .NET has not done anything (and it hasn't read the preamble, the BOM). Of course, if you use any other ReadXXX call before checking the encoding, it works too.
If the file has no BOM, then the defaultEncodin...
finding and replacing elements in a list
...
This is a bad and very un-pythonic solution. Consider using list comprehension.
– AdHominem
Dec 31 '16 at 11:56
233
...
Print a string as hex bytes?
...e sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
...
Python int to binary string?
...
typically one would use 4/8/... bit representation: "{:08b}".format(37)
– Sparkler
Aug 14 '18 at 21:51
3
...
XmlSerializer giving FileNotFoundException at constructor
... I think Hans' suggestion below is more valuable - use a different method call that does not produce this exception at all: XmlSerializer serializer = XmlSerializer.FromTypes(new[] { typeof(MyType) })[0];
– bright
Jun 9 '12 at 7:47
...
Will iOS launch my app into the background if it was force-quit by the user?
...
Unlike the application:didReceiveRemoteNotification: method, which is
called only when your app is running in the foreground, the system
calls this method when your app is running in the foreground or
background. In addition, if you enabled the remote notifications
background mode, the sy...
How do I create a list of random numbers without duplicates?
...h more efficient to do this than to seek back to the start of the file and call f1.readlines() again for each loop iteration.
share
|
improve this answer
|
follow
...
Delete all but the most recent X files in bash
...ter first translating newlines to NUL (0x0) chars., which also passes (typically) all filenames at once (will also work with GNU xargs):
ls -tp | grep -v '/$' | tail -n +6 | tr '\n' '\0' | xargs -0 rm --
Explanation:
ls -tp prints the names of filesystem items sorted by how recently they were m...