大约有 47,000 项符合查询结果（耗时：0.0419秒） [XML]
How can I check if a file exists in Perl?
...supported by the file system).
-p
File is a named pipe (FIFO), or Filehandle is a pipe.
-S
File is a socket.
-b
File is a block special file.
-c
File is a character special file.
-t
Filehandle is opened to a tty.
-u
File has setuid bit set.
-g
File has setgid bit set.
-...
Why doesn't indexOf work on an array IE8?
The below function works fine on Opera, Firefox and Chrome. However, in IE8 it fails on the if ( allowed.indexOf(ext[1]) == -1) part.
...
Stack Memory vs Heap Memory [duplicate]
I am programming in C++ and I am always wondering what exactly is stack memory vs heap memory. All I know is when I call new, I would get memory from heap. If if create local variables, I would get memory from stack. After some research on internet, the most common answer is stack memory is temporar...
How to convert a PNG image to a SVG? [closed]
...
There is a website where you can upload your image, and see the result.
http://vectormagic.com/home
But if you want to download your svg-image, you need to register.
(If you register, you get 2 images for free)
...
pythonic way to do something N times without an index variable?
Every day I love python more and more.
8 Answers
8
...
logger configuration to log to file and print to stdout
...
Just get a handle to the root logger and add the StreamHandler. The StreamHandler writes to stderr. Not sure if you really need stdout over stderr, but this is what I use when I setup the Python logger and I also add the FileHandler as w...
Command to list all files in a folder as well as sub-folders in windows
I tried searching for a command that could list all the file in a directory as well as subfolders using a command prompt command.
I have read the help for "dir" command but coudn't find what I was looking for.
Please help me what command could get this.
...
How does the Brainfuck Hello World actually work?
Someone sent this to me and claimed it is a hello world in Brainfuck (and I hope so...)
6 Answers
...
simple HTTP server in Java using only Java SE API
...just the Java SE API, without writing code to manually parse HTTP requests and manually format HTTP responses? The Java SE API nicely encapsulates the HTTP client functionality in HttpURLConnection, but is there an analog for HTTP server functionality?
...
top -c command in linux to filter processes listed based on processname
...any easy way to filter the processes based on processname listed under COMMAND column of the top output.
9 Answers
...