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MySQL: how to get the difference between two timestamps in seconds
...
You could use the TIMEDIFF() and the TIME_TO_SEC() functions as follows:
SELECT TIME_TO_SEC(TIMEDIFF('2010-08-20 12:01:00', '2010-08-20 12:00:00')) diff;
+------+
| diff |
+------+
| 60 |
+------+
1 row in set (0.00 sec)
You could also use the UNIX_TIMESTAMP() function as @Amber suggested in a...
iOS 7 - How to display a date picker in place in a table view?
...hose values.
As a delegate to this table, the sample uses the method "didSelectRowAtIndexPath" to open the UIDatePicker control.
For iOS 6.x and earlier, UIViewAnimation is used for sliding the UIDatePicker up on-screen and down off-screen. For iOS 7.x, the UIDatePicker is added in-line to th...
Hidden features of Perl?
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One of my favourite features in Perl is using the boolean || operator to select between a set of choices.
$x = $a || $b;
# $x = $a, if $a is true.
# $x = $b, otherwise
This means one can write:
$x = $a || $b || $c || 0;
to take the first true value from $a, $b, and $c, or a default of 0...
How to write “Html.BeginForm” in Razor
...data" }))
{
@Html.ValidationSummary(true)
<fieldset>
Select a file <input type="file" name="file" />
<input type="submit" value="Upload" />
</fieldset>
}
and generates as expected:
<form action="/Upload/Upload" enctype="multipart/form-data" m...
How do I drop a foreign key in SQL Server?
...I think this will helpful to you...
DECLARE @ConstraintName nvarchar(200)
SELECT
@ConstraintName = KCU.CONSTRAINT_NAME
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS AS RC
INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS KCU
ON KCU.CONSTRAINT_CATALOG = RC.CONSTRAINT_CATALOG
AND KC...
Disable spell checking on IntelliJ IDEA
...u can either:
Disable spell checking entirely, or
Disable spell checking selectively (e.g. just the code), but enable for some others (e.g. comments).
I'm on MacOS Webstorm (version 2016.1.2). First thing first, go to the "Inspection" pane like this...
Webstorm -> Preferences -> search fo...
Best C++ Code Formatter/Beautifier
...grated with Visual Studio, Emacs, Vim (and others) and can format just the selected lines (or with git/svn to format some diff).
It can be configured with a variety of options listed here.
When using config files (named .clang-format) styles can be per directory - the closest such file in parent d...
Create boolean column in MySQL with false as default value?
... into mytable () values ();
Query OK, 1 row affected (0.00 sec)
mysql> select * from mytable;
+--------+
| mybool |
+--------+
| 0 |
+--------+
1 row in set (0.00 sec)
FYI: My test was done on the following version of MySQL:
mysql> select version();
+----------------+
| version() ...
How to enable LogCat/Console in Eclipse for Android?
...e window (top right corner, just before Open Prospective button). And just select LogCat it will open-up the LogCat window in your current prospect
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Is there a way to find/replace across an entire project in Eclipse?
...en go right-click on the project and do search from there (then make sure "selected resource" is selected in the dialog box).
– Travitron
Apr 27 '12 at 11:22
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