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Rename specific column(s) in pandas
... a dataframe called data . How would I rename the only one column header? For example gdp to log(gdp) ?
5 Answers
...
Case insensitive searching in Oracle
... (NLSSORT
(PERSON_LAST_NAME, 'NLS_SORT=BINARY_CI')
)
;
This information was taken from Oracle case insensitive searches. The article mentions REGEXP_LIKE but it seems to work with good old = as well.
In versions older than 10gR2 it can't really be done and the usual approach, if you ...
Numpy - add row to array
...ulation you work against the good work Numpy does in pre-allocating memory for your existing array A. Clearly for small problem like in this answer this isn't a problem, but it can be more troubling for large data.
– dtlussier
Dec 15 '11 at 16:59
...
How to get the Power of some Integer in Swift language?
...2³ = 8
I used two carets so you can still use the XOR operator.
Update for Swift 3
In Swift 3 the "magic number" precedence is replaced by precedencegroups:
precedencegroup PowerPrecedence { higherThan: MultiplicationPrecedence }
infix operator ^^ : PowerPrecedence
func ^^ (radix: Int, power: ...
How to use permission_required decorators on django class-based views
...
For those who didn't understand (like I did, at first) - the 'dispatch' method should be added to the ViewSpaceIndex class
– o_c
Feb 11 '16 at 16:27
...
Blocks on Swift (animateWithDuration:animations:completion:)
...compiler that this closure takes a Bool labeled 'value' and returns void.
For reference, if you wanted to write a closure that returned a bool the syntax would be
{(value: Bool) -> bool in
//your stuff
}
share
...
ASP.NET MVC: No parameterless constructor defined for this object
...rameterless constructor.
The call stack was figuring a method responsible for creating a new instance of a model.
System.Web.Mvc.DefaultModelBinder.CreateModel(ControllerContext controllerContext, ModelBindingContext bindingContext, Type modelType)
Here is a sample:
public class MyControll...
Django set field value after a form is initialized
I am trying to set the field to a certain value after the form is initialized.
9 Answers
...
Web API Put Request generates an Http 405 Method Not Allowed error
...ced this inside <system.webServer>.
<modules runAllManagedModulesForAllRequests="true">
<remove name="WebDAVModule"/> <!-- add this -->
</modules>
Additionally, it is often required to add the following to web.config in the handlers. Thanks to Babak
<handlers...
Displaying better error message than “No JSON object could be decoded”
... descriptive errors in many cases where the built-in json module is vague. For instance, for the case of having a comma after the last item in a list:
json.loads('[1,2,]')
....
ValueError: No JSON object could be decoded
which is not very descriptive. The same operation with simplejson:
simplejs...