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Queries vs. Filters
...ed and don't influence the score, therefore faster than queries. Have a look here too. Let's say a query is usually something that the users type and pretty much unpredictable, while filters help users narrowing down the search results , for example using facets.
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How to shorten my conditional statements
I have a very long conditional statement like the following:
15 Answers
15
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How to get the top 10 values in postgresql?
...y score desc
limit 10
If performance is important (when is it not ;-) look for an index on score.
Starting with version 8.4, you can also use the standard (SQL:2008) fetch first
select *
from scores
order by score desc
fetch first 10 rows only
As @Raphvanns pointed out, this will give you ...
How do I use FileSystemObject in VBA?
... the drop-down menu
A listbox of available references will be displayed
Tick the check-box next to 'Microsoft Scripting Runtime'
The full name and path of the scrrun.dll file will be displayed below the listbox
Click on the OK button.
This can also be done directly in the code if access to the VBA...
How can I draw vertical text with CSS cross-browser?
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Updated this answer with recent information (from CSS Tricks). Kudos to Matt and Douglas for pointing out the filter implementation.
.rotate {
-webkit-transform: rotate(-90deg);
-moz-transform: rotate(-90deg);
-ms-transform: rotate(-90deg);
-o-transform: rotate(-90deg);
t...
Is there a difference between single and double quotes in Java?
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Use single quotes for literal chars, double quotes for literal Strings, like so:
char c = 'a';
String s = "hello";
They cannot be used any other way around (like in Python, for example).
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Ruby on Rails generates model field:type - what are the options for field:type?
...new model and forget the syntax for referencing another model's ID. I'd look it up myself, but I haven't figured out, among all my Ruby on Rails documentation links, how to find the definitive source.
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MySQL SELECT WHERE datetime matches day (and not necessarily time)
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NEVER EVER use a selector like DATE(datecolumns) = '2012-12-24' - it is a performance killer:
it will calculate DATE() for all rows, including those, that don't match
it will make it impossible to use an index for the query
It is much faster to use
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Should JAVA_HOME point to JDK or JRE?
I pointed the JAVA_HOME to C:\Program Files (x86)\Java\jre7 . It works fine. Afterwards, I unzipped ant and set up the environment variables related to Ant, I got the following error messages after typing "ant -version"
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JS: Check if date is less than 1 hour ago?
Is there a way to check if a date is less than 1 hour ago?
7 Answers
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