大约有 45,000 项符合查询结果(耗时:0.0771秒) [XML]
How do I import an SQL file using the command line in MySQL?
... .sql file with an export from phpMyAdmin . I want to import it into a different server using the command line.
49 Answe...
What is the best extension for SQLite database files? [closed]
I know there is no specific naming convention, but what extension do you recommend when using SQLite?
5 Answers
...
Begin, Rescue and Ensure in Ruby?
... # code that deals with some other exception
else
# code that runs only if *no* exception was raised
ensure
# ensure that this code always runs, no matter what
# does not change the final value of the block
end
You can leave out rescue, ensure or else. You can also leave out the variables i...
Origin is not allowed by Access-Control-Allow-Origin
...
Since they are running on different ports, they are different JavaScript origin. It doesn't matter that they are on the same machine/hostname.
You need to enable CORS on the server (localhost:8080). Check out this site: http://enable-cors.org/
All ...
How to make asynchronous HTTP requests in PHP
...ait($url, $params)
{
foreach ($params as $key => &$val) {
if (is_array($val)) $val = implode(',', $val);
$post_params[] = $key.'='.urlencode($val);
}
$post_string = implode('&', $post_params);
$parts=parse_url($url);
$fp = fsockopen($parts['host'],
...
Appropriate hashbang for Node.js scripts
...
If your script is intended for use by Node developers, you should absolutely just use
#!/usr/bin/env node
and not bother trying for compatibility with people who only have Node installed as nodejs.
Rationale:
It's what ...
How To Test if Type is Primitive
...le Decimal and String.
Edit 1: Added sample code
Here is a sample code:
if (t.IsPrimitive || t == typeof(Decimal) || t == typeof(String) || ... )
{
// Is Primitive, or Decimal, or String
}
Edit 2: As @SLaks comments, there are other types that maybe you want to treat as primitives, too. I t...
public friend swap member function
In the beautiful answer to the copy-and-swap-idiom there is a piece of code I need a bit of help:
2 Answers
...
jQuery and AJAX response header
...e form of a 302 redirect. I'd like to take this redirect and load it in an iframe, but when I try to view the header info with a javascript alert, it comes up null, even though firebug sees it correctly.
...
To find whether a column exists in data frame or not
...and that your column name to check is "d", you can use the %in% operator:
if("d" %in% colnames(dat))
{
cat("Yep, it's in there!\n");
}
share
|
improve this answer
|
follo...
