大约有 40,000 项符合查询结果（耗时：0.0253秒） [XML]
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock'
I installed LAMP on Ubuntu 12.04 LTS (Precise Pangolin) and then set root password on phpMyAdmin . I forgot the password and now I am unable to login. When I try to change password through terminal I get:
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
I installed MySQL on Mac OS X Mountain Lion with homebrew install mysql , but when I tried mysql -u root I got the following error:
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How do I format a number with commas in T-SQL?
...onstrates adding commas:
PRINT FORMATMESSAGE('The number is: %s', format(5000000, '#,##0'))
-- Output
The number is: 5,000,000
Demo 2
Demonstrates commas and decimal points. Observe that it rounds the last digit if necessary.
PRINT FORMATMESSAGE('The number is: %s', format(5000000.759145678, '#...
How to count string occurrence in string?
...is 25 chars length. with 2 occurences of the character 'o'. I
executed 1 000 000 times in Safari.
Safari 5.1
Benchmark> Total time execution: 5617 ms (regexp)
Benchmark> Total time execution: 881 ms (my function 6.4x faster)
Firefox 4
Benchmark> Total time execut...
Guid.NewGuid() vs. new Guid()
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new Guid() makes an "empty" all-0 guid (00000000-0000-0000-0000-000000000000 is not very useful).
Guid.NewGuid() makes an actual guid with a unique value, what you probably want.
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How should I ethically approach user password storage for later plaintext retrieval?
...e: LinkedIn slapped with $5 million class action lawsuit; Sony fined £250,000 over PlayStation data hack. If I recall correctly, LinkedIn was actually encrypting its users' passwords, but the encryption it was using was too weak to be effective.
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Two color borders
... just takes a little CSS trickery!
div.border {
border: 1px solid #000;
position: relative;
}
div.border:before {
position: absolute;
display: block;
content: '';
border: 1px solid red;
height: 100%;
width: 100%;
box-sizing: border-box;
-moz-box-sizing: border-...
Best way to display decimal without trailing zeroes
...g[] args)
{
var dList = new decimal[] { 20, 20.00m, 20.5m, 20.5000m, 20.125m, 20.12500m, 0.000m };
foreach (var d in dList)
Console.WriteLine(d.ToString("0.#####"));
}
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Is it possible to apply CSS to half of a character?
...r-events: none; /* so the base char is selectable by mouse */
color: #000; /* for demo purposes */
text-shadow: 2px 2px 0px #0af; /* for demo purposes */
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p>Single Characters:&l...
Scraping html tables into R data frames using the XML package
... 148 150 38.3%
2 Paraguay 72 44 17 11 160 61 61.1%
3 Uruguay 72 33 19 20 127 93 45.8%
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