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Replacement for deprecated sizeWithFont: in iOS 7?
...n the main thread (like any other UIKit functionality), you'll get unpredictable behaviors. In particular, if you ran the function on multiple threads simultaneously, it'll probably crash your app. This is why in iOS 6, they introduced a the boundingRectWithSize:... method for NSAttributedString. ...
Better techniques for trimming leading zeros in SQL Server?
...eading-zero's.
If you plan on reusing it a lot, then place it in an Inline-Table-Valued-Function (ITVF).
Your concerns about performance problems with UDF's is understandable.
However, this problem only applies to All-Scalar-Functions and Multi-Statement-Table-Functions.
Using ITVF's is perfectly fi...
best practice to generate random token for forgot password
...rch in about a week's time for a low-budget attacker:
mt_rand() is predictable (and only adds up to 31 bits of entropy)
uniqid() only adds up to 29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Since a 56-bit DES key can be brute-forced in about 24 hours, and an a...
In the shell, what does “ 2>&1 ” mean?
...ing both streams to the same destination.
Here is how the file descriptor table looks like after Bash has redirected both streams:
As you can see, both stdout and stderr now point to file. So anything written to stdout and stderr gets written to file.
There are several ways to redirect both str...
What does the KEY keyword mean?
In this MySQL table definition:
2 Answers
2
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SQL UPDATE all values in a field with appended string CONCAT not working
...rver 'data' was a keyword. Maybe a less ambiguous example would be: UPDATE table SET column_name=concat(column_name, 'string');
– Kiky Rodriguez
Dec 11 '18 at 19:09
add a comm...
How can I deserialize JSON to a simple Dictionary in ASP.NET?
..."id\":\"13\", \"value\": true}";
var jss = new JavaScriptSerializer();
var table = jss.Deserialize<dynamic>(json);
Console.WriteLine(table["id"]);
Console.WriteLine(table["value"]);
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...ysql.server stop
Start it in safe mode:
$ sudo mysqld_safe --skip-grant-tables --skip-networking
(above line is the whole command)
This will be an ongoing command until the process is finished so open another shell/terminal window, log in without a password:
$ mysql -u root
mysql> UPDATE ...
SQL Server Escape an Underscore
...teral character, enclose the wildcard character in brackets. The following table shows several examples of using the LIKE keyword and the [ ] wildcard characters.
For your case:
... LIKE '%[_]d'
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What methods of ‘clearfix’ can I use?
...one css statement. Additionally, using display: block (instead of display: table) allows margins to collapse properly when elements with clearfix are siblings.
.container::after {
content: "";
display: block;
clear: both;
}
This is the most modern version of the clearfix.
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