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How do you use the “WITH” clause in MySQL?
...it in their release branch. Apparently they "showed off" this "feature" at PHPCONFERENCE2010 in London. This comment on that bug report is telling. [7 Oct 2008 19:57] Stuart Friedberg: "Valeriy, you guys must have an unbelieveable backlog. Thirty three months between filing a request and getting a ...
What's the “average” requests per second for a production web application?
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@JosephPersie Don't forget to look at the post date, hehe.
– Spectral
Oct 14 '19 at 23:56
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Working with time DURATION, not time of day
...underlaying value is correct.
To correctly display duration in hours and seconds (below or beyond a full day), you should use the custom format [h]:mm;@ In this case, 48 hours would be displayed as 48:00.
Cheers.
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MySQL ON vs USING?
... t select 1;create table t2 select*from t;
Query OK, 0 rows affected (0.11 sec)
Query OK, 1 row affected (0.00 sec)
Records: 1 Duplicates: 0 Warnings: 0
Query OK, 1 row affected (0.19 sec)
Records: 1 Duplicates: 0 Warnings: 0
mysql> select*from t join t2 on t.i=t2.i;
+------+------+
| i ...
Having both a Created and Last Updated timestamp columns in MySQL 4.0
...reated, stamp_updated) values(null, null);
Query OK, 1 row affected (0.06 sec)
mysql> select * from test_table;
+----+---------------------+---------------------+
| id | stamp_created | stamp_updated |
+----+---------------------+---------------------+
| 2 | 2009-04-30 09:44:35 |...
switch() statement usage
...ype == "trimmed") 3
}
system.time( for(i in 1:1e6) test1('mean') ) # 0.89 secs
system.time( for(i in 1:1e6) test2('mean') ) # 1.13 secs
system.time( for(i in 1:1e6) test1('trimmed') ) # 0.89 secs
system.time( for(i in 1:1e6) test2('trimmed') ) # 2.28 secs
Update With Joshua's comment in mind, I t...
Get the current time in C
...tm_year + 1900, timeinfo->tm_hour, timeinfo->tm_min, timeinfo->tm_sec);
}
More information about struct tm can be found here.
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How do you set a default value for a MySQL Datetime column?
..., ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP);
Query OK, 0 rows affected (0.00 sec)
mysql> desc test;
+-------+-------------+------+-----+-------------------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------+------+-----+-------------------+-------+
| s...
Add 10 seconds to a Date
How can I add 10 seconds to a JavaScript date object?
10 Answers
10
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The definitive guide to form-based website authentication [closed]
...ch POSTs the values to a script on the server side for authentication. The sections below will deal with patterns for sound practical auth, and how to avoid the most common security pitfalls.
To HTTPS or not to HTTPS?
Unless the connection is already secure (that is, tunneled through HTTPS using SSL...
