大约有 40,800 项符合查询结果(耗时:0.0583秒) [XML]
How to remove duplicate white spaces in string using Java?
...
Like this:
yourString = yourString.replaceAll("\\s+", " ");
For example
System.out.println("lorem ipsum dolor \n sit.".replaceAll("\\s+", " "));
outputs
lorem ipsum dolor sit.
What does that \s+ mean?
\s+ is a regular...
How can I parse a JSON file with PHP? [duplicate]
...terator::SELF_FIRST);
foreach ($jsonIterator as $key => $val) {
if(is_array($val)) {
echo "$key:\n";
} else {
echo "$key => $val\n";
}
}
Output:
John:
status => Wait
Jennifer:
status => Active
James:
status => Active
age => 56
count => 10
progress...
Grant **all** privileges on database
...
GRANT ALL PRIVILEGES ON mydb.* TO 'myuser'@'%' WITH GRANT OPTION;
This is how I create my "Super User" privileges (although I would normally specify a host).
IMPORTANT NOTE
While this answer can solve the problem of access, WITH GRANT OPTION creates a MySQL user that can edit the permissions ...
Insert a line at specific line number with sed or awk
...
sed -i '8i8 This is Line 8' FILE
inserts at line 8
8 This is Line 8
into file FILE
-i does the modification directly to file FILE, no output to stdout, as mentioned in the comments by glenn jackman.
...
How can I redirect HTTP requests made from an iPad?
...
The way to get around this limitation of the iPad is to use a HTTP proxy server, such as Squid running on another machine where you can edit the hosts file.
On the iPad Under Settings -> Network -> Wi-Fi -> (Your network) There is a HTTP P...
Xcode : failed to get the task for process
This is for an existing app that compiled and distributed multiple times. Since updating to Xcode 5 I have this error popping.
...
Converting between strings and ArrayBuffers
Is there a commonly accepted technique for efficiently converting JavaScript strings to ArrayBuffers and vice-versa? Specifically, I'd like to be able to write the contents of an ArrayBuffer to localStorage and to read it back.
...
Bad value X-UA-Compatible for attribute http-equiv on element meta
I have used the same meta that HTML5 Boilerplate is using, and the W3C HTML validator complains:
8 Answers
...
What is path of JDK on Mac ? [duplicate]
...ind it anywhere. I was looking at the internet for the solution, but there is no folder Libraries/Java.
5 Answers
...
How to determine a user's IP address in node
...
In your request object there is a property called connection, which is a net.Socket object. The net.Socket object has a property remoteAddress, therefore you should be able to get the IP with this call:
request.connection.remoteAddress
See documentati...
