大约有 45,000 项符合查询结果（耗时：0.0489秒） [XML]
Efficiently test if a port is open on Linux?
...output connection
exec 6<&- # close input connection
To determine if someone is listening, attempt to connect by loopback. If it fails, then the port is closed or we aren't allowed access. Afterwards, close the connection.
Modify this for your use case, such as sending an email, exiting t...
Draw multi-line text to Canvas
...enient in case text doesn't have any line breaks at start or we don't know if it has them...
– Ewoks
Apr 18 '12 at 14:39
6
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Link to reload current page
...n also use .. to refer to the folder above the current path, for instance, if you have this file structure:
page1.html
folder1
page2.html
You can then in page2.html write:
<a href="../page1.html">link to page 1</a>
EDIT:
I'm not sure if the behaviour has changed or if it was a...
Generate list of all possible permutations of a string
...= *b;
*b = temp;
}
void print(char *a, int i, int n) {
int j;
if(i == n) {
printf("%s\n", a);
} else {
for(j = i; j <= n; j++) {
swap(a + i, a + j);
print(a, i + 1, n);
swap(a + i, a + j);
}
}
}
int main(void) {
...
URLEncoder not able to translate space character
...
This behaves as expected. The URLEncoder implements the HTML Specifications for how to encode URLs in HTML forms.
From the javadocs:
This class contains static methods for
converting a String to the
application/x-www-form-urlencoded MIME
format.
and from the HTML Specification...
In Java, is there a way to write a string literal without having to escape quotes?
...uotation marks inside it. You could escape them all, but it's a pain, and difficult to read.
8 Answers
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Export query result to .csv file in SQL Server 2008
...comma-delimited text.
To save the results of a query to a file: Ctrl + Shift + F
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Replace comma with newline in sed on MacOS?
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Verified working on OS X 10.7 with the given example. The -e part seems not necessary.
– Yongwei Wu
Jul 22 '16 at 6:53
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How do I create a foreign key in SQL Server?
...ect creation code for SQL Server and foreign key decleration is seemingly different between SQL Server and Postgres. Here is my sql so far:
...
How to clear Facebook Sharer cache?
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If you're still having trouble getting it to refresh, try adding a random query string parameter to the end of your URL.
– JD Smith
Jul 24 '14 at 15:40
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