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how to exclude null values in array_agg like in string_agg using postgres?
...NC = fn_array_agg_notnull,
STYPE = ANYARRAY,
INITCOND = '{}'
);
Calling the second is (naturally) a little nicer looking than the first:
select array_agg_notnull(v) from x;
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im...
How can I set the PHP version in PHPStorm?
...le, for PHP4 this should highlight static function etc. I have a PHP installation on my PC but I don't want to install an older PHP version for every small script I have to produce.
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Error: could not find function … in R
...the name of your function correctly? Names are case sensitive.
Did you install the package that contains the function? install.packages("thePackage") (this only needs to be done once)
Did you attach that package to the workspace ?
require(thePackage) or library(thePackage) (this should be done ever...
Securely storing environment variables in GAE with app.yaml
...ect Settings.
If you ran the code above, your keys will show up. They will all have the value NOT SET. Click each one and set its value.
Hope this helps!
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Java “Virtual Machine” vs. Python “Interpreter” parlance?
...read of a Python "virtual machine" while in Java "virtual machine" is used all the time.
13 Answers
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Override Java System.currentTimeMillis for testing time sensitive code
... current time, as presented via System.currentTimeMillis , other than manually changing the system clock on the host machine?
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How can I print literal curly-brace characters in python string and also use .format on it?
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The OP wrote this comment:
I was trying to format a small JSON for some purposes, like this: '{"all": false, "selected": "{}"}'.format(data) to get something like {"all": false, "selected": "1,2"}
It's pretty common that the "escaping braces" issue comes up when dealing with J...
How to use Servlets and Ajax?
...er, last years it's more than often Asynchronous JavaScript and JSON. Basically, you let JS execute an asynchronous HTTP request and update the HTML DOM tree based on the response data.
Since it's pretty a tedious work to make it to work across all browsers (especially Internet Explorer versus othe...
Entity Framework - Include Multiple Levels of Properties
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@Adeem you need to call Include for each property: Db.States.Include(state => state.Cities.Select(city => city.Customers).Include(state => state.Cities.Select(city => city.Vendors)
– Diego Torres
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Error message Strict standards: Non-static method should not be called statically in php
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to
public static function getInstanceByName($name=''){
if you want to call them statically.
Note that static methods (and Singletons) are death to testability.
Also note that you are doing way too much work in the constructor, especially all that querying shouldn't be in there. All your const...