大约有 40,000 项符合查询结果（耗时：0.0423秒） [XML]
Import CSV to mysql table
...ocalhost';
$user = 'root';
$pass = '';
$database = 'database';
$db = mysql_connect($host, $user, $pass);
mysql_query("use $database", $db);
/********************************************************************************/
// Parameters: filename.csv table_name
$argv = $_SERVER[argv];
if($argv[1...
Programmatically selecting text in an input field on iOS devices (mobile Safari)
How do you programmatically select the text of an input field on iOS devices, e.g. iPhone, iPad running mobile Safari?
10 A...
Very simple log4j2 XML configuration file using Console and File appender
...n" />
</Console>
<File name="MyFile" fileName="all.log" immediateFlush="false" append="false">
<PatternLayout pattern="%d{yyy-MM-dd HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
</File>
</Appenders>
<Loggers>
...
Get push notification while App in foreground iOS
... app received push notifications in foreground
func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void)
{
completionHandler([.alert, .badge, .sound...
How to temporarily exit Vim and go back
... Can use $ ps to find whether we're in a vim sub-shell before calling $ exit to avoid closing the terminal accidentally. Found this here (I haven't tried the prompt indicator mentioned on the website).
– Daniel
May 2 '19 at 10:07
...
how to make svn diff show only non-whitespace line changes between two revisions
... can use
svn diff -r 100:200 -x -b > file.diff
If you want to ignore all whitespaces:
svn diff -x -w | less
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Algorithm to detect intersection of two rectangles?
... if you can find a line that separates the two objects. e.g. the objects / all points of an object are on different sides of the line.
The fun thing is, that it's sufficient to just check all edges of the two rectangles. If the rectangles don't overlap one of the edges will be the separating axis....
Malloc vs new — different padding
...or high-performance computing (10^5 - 10^6 cores). The code is intended to allow for communications between (potentially) different machines on different architectures. He's written a comment that says something along the lines of:
...
Setting Authorization Header of HttpClient
...ent = new HttpClient())
{
client.DefaultRequestHeaders.Authorization = _username.ToAuthHeaderValue(_password);
}
Again I think 2 above options make the client using statement a bit less repetitive. Keep in mind that it's best practice to reuse the HttpClient if you are making multiple http ca...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...
You are so close! All you need to do is select BOTH the home and its max date time, then join back to the topten table on BOTH fields:
SELECT tt.*
FROM topten tt
INNER JOIN
(SELECT home, MAX(datetime) AS MaxDateTime
FROM topten
GR...