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SQL WHERE condition is not equal to?
... clause may be negated according to the above rules. The negation of this
select *
from foo
where test-1
and test-2
and ( test-3
OR test-4
)
is
select *
from foo
where NOT( test-1
and test-2
and ( test-3
OR te...
How to avoid null checking in Java?
...t that it cannot be null, and that's it.
Example:
public String getFirst3Chars(String text) {
return text.subString(0, 3);
}
However, if your method just passes the value on, and the next method passes it on etc. it could get problematic. In that case you may want to check the argument as abov...
Add directives from directive in AngularJS
...n input tag, but I'd like to make it work for any element, such as divs or selects.
– frapontillo
Oct 9 '13 at 15:37
1
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Cross-browser custom styling for file upload button [duplicate]
... This works great for me, my only issue is that after a file is selected, it doesn't actually show that a file has been selected. Is there any way to show an indicator that a file has been chosen?
– Dylan Vester
Feb 27 '15 at 21:27
...
How do I install Eclipse Marketplace in Eclipse Classic?
...available add the site "Juno - http://download.eclipse.org/releases/juno"
Select and expand general purpose tools
Select and install Marketplace client
share
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improve this answer
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How to get the system uptime in Windows? [closed]
...can also click CTRL+SHIFT+ESC to get to the Task Manager.
In Task Manager, select the Performance tab.
The current system uptime is shown under System or Performance ⇒ CPU for Win 8/10.
2: By using the System Information Utility
The systeminfo command line utility checks and displays various ...
How to make ReSharper re-evaluate its assembly reference highlighting
... unload the project, right-click the project in the solution explorer, and select Unload Project. Then, right-click the project again and select Reload Project.
The issue continues to occur occasionally with the latest versions of ReSharper, but the fix seems to work for every version.
...
ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
...ommand prompt as an Administrator (right click the command prompt icon and select Run as Administrator):
cd \
cd Windows\Microsoft.NET\Framework\v4.xxx.xxx
aspnet_regiis -i
Once it has installed and registered, make sure you application is using an application pool that is set to .NET 4.0.
UPDAT...
How would I skip optional arguments in a function call?
...llowing:
function getData($name, $limit = '50', $page = '1') {
return "Select * FROM books WHERE name = $name AND page = $page limit $limit";
}
echo getData('some name', '', '23'); // won't work as expected
The output will be:
"Select * FROM books WHERE name = some name AND page = 23 limit"
...
SQL Server IN vs. EXISTS Performance
...execution operation, to get their results.
An example:
Query 1 ( plan )
select * from dt where dt.customer in (select c.code from customer c where c.active=0)
Query 2 ( plan )
select * from dt where exists (select 1 from customer c where c.code=dt.customer and c.active=0)
...