大约有 192 项符合查询结果（耗时：0.0252秒） [XML]
what is faster: in_array or isset? [closed]
... because
It uses an O(1) hash search on the key whereas in_array must check every value until it finds a match.
Being an opcode, it has less overhead than calling the in_array built-in function.
These can be demonstrated by using an array with values (10,000 in the test below), forcing in_array ...
How to “log in” to a website using Python's Requests module?
...on the page you are directed to immediately after login...
Lets call your ck variable payload instead, like in the python-requests docs:
payload = {'inUserName': 'USERNAME/EMAIL', 'inUserPass': 'PASSWORD'}
url = 'http://www.locationary.com/home/index2.jsp'
requests.post(url, data=payload)
Otherw...
Remove non-utf8 characters from string
...xxx.
return "\xC3".chr(ord($captures[3])-64);
}
}
preg_replace_callback($regex, "utf8replacer", $text);
EDIT:
!empty(x) will match non-empty values ("0" is considered empty).
x != "" will match non-empty values, including "0".
x !== "" will match anything except "".
x != "" seem the best...
Android webview slow
...en bug related hardware accelerated WebViews, as stated in the question stackoverflow.com/q/17059899/225341
– Victor Ionescu
Sep 2 '13 at 12:57
1
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Go to particular revision
...
Use git checkout <sha1> to check out a particular commit.
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How to find first element of array matching a boolean condition in JavaScript?
... inefficient when posting a solution to a simple problem somewhere like Stack Overflow. Lots of people will copy and paste the code from here into a utility function, and some of them will, at some point, end up using that utility function in a context where performance matters without thinking abou...
Two sets of parentheses after function call
...nswered Aug 14 '13 at 14:35
Ja͢ckJa͢ck
157k3232 gold badges230230 silver badges287287 bronze badges
...
Is there a method to generate a UUID with go language
...ugh.
If you are on linux, you can alternatively call /usr/bin/uuidgen.
package main
import (
"fmt"
"log"
"os/exec"
)
func main() {
out, err := exec.Command("uuidgen").Output()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", out)
}
Which yields:
$ go run u...
startsWith() and endsWith() functions in PHP
...
function startsWith( $haystack, $needle ) {
$length = strlen( $needle );
return substr( $haystack, 0, $length ) === $needle;
}
function endsWith( $haystack, $needle ) {
$length = strlen( $needle );
if( !$length ) {
return true...
Catch Ctrl-C in C
...ust missed that one. Now, since we are talking: would you like me to rollback my latest edit? No hard feelings there it would be perfectly understandable from your point of view :)
– Peter Varo
May 18 '17 at 22:51
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