大约有 49,000 项符合查询结果（耗时：0.0360秒） [XML]
How can one check to see if a remote file exists using PHP?
...ms a good idea if it turns out to be too slow.
HEAD checks the time of the file, and returns it in the headers. You can do like browsers and get the CURLINFO_FILETIME of the icon.
In your cache you can store the URL => [ favicon, timestamp ]. You can then compare the timestamp and reload the fav...
A Windows equivalent of the Unix tail command [closed]
...of the Unix 'tail' command that will allow me to watch the output of a log file while it is being written to.
26 Answers
...
Need to ZIP an entire directory using Node.js
... using node-zip and each time the process runs it generates an invalid ZIP file (as you can see from this Github issue ).
...
How do I read CSV data into a record array in NumPy?
I wonder if there is a direct way to import the contents of a CSV file into a record array, much in the way that R's read.table() , read.delim() , and read.csv() family imports data to R's data frame?
...
How can I extract a good quality JPEG image from a video file with ffmpeg?
... This seems to have no effect for me-- qscale 1 and 2 both give identical file sizes and (to my naked eye) appear the same as without qscale at all.
– felwithe
Jan 28 '15 at 23:03
...
Receive JSON POST with PHP
...
Try;
$data = json_decode(file_get_contents('php://input'), true);
print_r($data);
echo $data["operacion"];
From your json and your code, it looks like you have spelled the word operation correctly on your end, but it isn't in the json.
EDIT
Maybe...
How to use Java property files?
...f key/value pairs of configuration values I want to store as Java property files, and later load and iterate through.
17 An...
How do I add PHP code/file to HTML(.html) files?
...
You can't run PHP in .html files because the server does not recognize that as a valid PHP extension unless you tell it to. To do this you need to create a .htaccess file in your root web directory and add this line to it:
AddType application/x-httpd-...
What's the difference between eval, exec, and compile?
...') # you cannot evaluate a statement
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1
a = 47
^
SyntaxError: invalid syntax
The compile in 'exec' mode compiles any number of statements into a bytecode that implicitly a...
How do you determine the ideal buffer size when using FileInputStream?
I have a method that creates a MessageDigest (a hash) from a file, and I need to do this to a lot of files (>= 100,000). How big should I make the buffer used to read from the files to maximize performance?
...