大约有 15,000 项符合查询结果（耗时：0.0150秒） [XML]
Delete duplicate rows from small table
...Tried rapimo's solution and it completed in about 10 seconds (deleted ~700,000 rows).
– Patrick
Jun 8 at 1:49
...
How can I check for an empty/undefined/null string in JavaScript?
...to Boolean, where str is a variable.
It returns false for null,undefined,0,000,"",false.
It returns true for string "0" and whitespace " ".
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foll...
PHP - concatenate or directly insert variables in string
...e!\n");' (Concatenation) actually loses by about 300 milliseconds (for 200.000 items, that's 1 miliseconf per thousand elements on your set...). That's statistical noise, it's impossible to even measure any difference. Considering it's more readable, time php -r '$string=""; for ($i=0;$i<199999;...
JS: iterating over result of getElementsByClassName using Array.forEach
...compared to other more intensive tasks like modifying DOM. If I execute 60,000 of these in 1 millisecond, I'm pretty sure it won't be an issue for any reasonable usage :)
– icl7126
Jul 31 '19 at 13:13
...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
...
Connection con = DriverManager.getConnection(
"jdbc:mysql://192.100.0.000:3306/DBname", "root", "root");
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How can I convert a zero-terminated byte array to string?
...= max { return max }
mid := (min + max) / 2
if b[mid] == '\000' {
max = mid
} else {
min = mid
}
}
return len(b)
}
func main() {
b := []byte{1, 2, 3, 0, 0, 0}
fmt.Println(FirstZero(b))
}
It may be faster just to naively scan t...
oh-my-zsh slow, but only for certain Git repo
... figured it out. My project had a rake folder with a ton of files (like 20,000). I have no idea what that folder was there for, but I deleted it, Zsh is no longer slow, and my app still seems to work.
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Get Android Device Name [duplicate]
...(consumer friendly) name of a device. It gets the correct name for over 10,000 devices and is constantly updated. If you wish to use my library click the link below:
AndroidDeviceNames Library on Github
If you do not want to use the library above, then this is the best solution for getting a consum...
Android Drawing Separator/Divider Line in Layout?
...th="match_parent"
android:layout_height="1dp"
android:background="#000" />
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Set up Heroku and GoDaddy? [closed]
... affiliated with Zerigo DNS - just a happy user. Any yeah it's free for 50,000 queries per month and for $20/month you get unlimited queries.
Hope this helps.
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