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JdbcTemplate queryForInt/Long is deprecated in Spring 3.2.2. What should it be replaced by?
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public int getCircleCount() {
Object param = "1";
String sql = "select count(*) from circle where id = ? ";
jdbcTemplate.setDataSource(getDataSource());
int result = getJdbcTemplate().queryForObject(sql, new Object[] { param }, Integer.class);
return result;
}
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nullable object must have a value
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When using LINQ extension methods (e.g. Select, Where), the lambda function might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can c...
Cookies on localhost with explicit domain
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THIS should be selected as an answer if you are using local domains! Putting a dot before the subdomain fixes my issue.
– Foxhoundn
Jan 16 '15 at 9:38
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Windows service on Local Computer started and then stopped error
...t popped up a UAC confirmation dialog for the JIT debugger and then let me select VS 2015 as the debugger.
– Smitty
Feb 16 '17 at 17:21
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Difference between $(document.body) and $('body')
...ctly to jQuery. Alternatively, when you pass the string 'body', the jQuery selector engine has to interpret the string to figure out what element(s) it refers to.
In practice either will get the job done.
If you are interested, there is more information in the documentation for the jQuery function...
What is the most ridiculous pessimization you've seen? [closed]
...nearly all their tables have an associated archive table, and most queries select from views that UNION the pairs of tables. Performance is as you would expect!
– Tony Andrews
Mar 26 '09 at 13:32
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What killed my process and why?
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This is the Linux out of memory manager (OOM). Your process was selected due to 'badness' - a combination of recentness, resident size (memory in use, rather than just allocated) and other factors.
sudo journalctl -xb
You'll see a message like:
Jul 20 11:05:00 someapp kernel: Mem-Info...
What is the difference between “Rollback…” and “Back Out Submitted Changelist #####” in Perforce P4V
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Rollback... will prompt you to select a folder to rollback, ie, it will work on specific folders, and you can rollback to labels or changlists or dates. Back out works on the files in specific changelists.
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HTML/CSS: Make a div “invisible” to clicks?
... However, this means that the text can't be clicked (eg, to click links or select it). Would it be possible to simply make this div "invisible" to clicks and other mouse events?
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Can attributes be added dynamically in C#?
...peDescriptor.GetAttributes() does not handle duplicate attributes. It only selects the last of the attribute type. Ex [Attr(1), Attr(2), Attr(3)] only Attr(3) is found.
– ohmusama
May 22 '13 at 17:45
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