大约有 15,000 项符合查询结果（耗时：0.0343秒） [XML]
Linux delete file with size 0 [duplicate]
...ies are marked to be of size zero.
The dot . (current directory) is the starting search directory. If you have GNU find (e.g. not Mac OS), you can omit it in this case:
find -type f -empty -delete
From GNU find documentation:
If no files to search are specified, the current directory (.) i...
What is the easiest way to get the current day of the week in Android?
...
I'm not sure why, but in my case day numbers starts from 1, not from 0. So, my array looks like this: String[] days = {"?", "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
– Dr. Failov
Mar 17 '17 at 17:10
...
Apache: client denied by server configuration
...ctions that originate either from the local host or from ip addresses that start with "192.168.1".
There is also a new module available that makes Apache 2.4 recognise the old syntax if you don't want to update your configuration right away:
sudo a2enmod access_compat
...
Why does mongoose always add an s to the end of my collection name
...
Starting from mongoose 5.x you can disable it completely:
mongoose.pluralize(null);
share
|
improve this answer
...
Regex for numbers only
...ny numeric representations other than just digits (like decimal values for starters), then see @tchrist's comprehensive guide to parsing numbers with regular expressions.
share
|
improve this answer...
How can I kill a process by name instead of PID?
Sometimes when I try to start Firefox it says "a Firefox process is already running". So I have to do this:
18 Answers
...
Remove all whitespaces from NSString
...encesOfString will replace all white space with in the string non only the starting and end
Use
[YourString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]
share
|
...
boost::flat_map and its performance compared to map and unordered_map
...at some crossing point, they will lose, because the contained overall size starts to "leak" to main memory and cause cache misses, that plus the fact that the asymptotic complexity can start to be felt.
Point 5 is about compilers being able to elide stuff that are empty or trivial at compile time. ...
Convert data.frame column to a vector?
...ax returns a vector. I used this syntax for a long time, but when I had to start using df['name'] or df[n] to retrieve columns, I hit problems when I tried to send them to functions that expected vectors. Using df[[n]] or df[['x']] cleared things right up.
– rensa
...
Build a simple HTTP server in C [closed]
...
Open a TCP socket on port 80, start listening for new connections, implement this.
Depending on your purposes, you can ignore almost everything. At the easiest, you can send the same response for every request, which just involves writing text to the sock...