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What's the difference between and
...dundant. For example, <T extends Object & Foo> will cause T to become Object under erasure, whereas with <T extends Foo> it will become Foo under erasure. (This can matter if you're trying to retain compatibility with a pre-generics API that used Object.)
Source: http://download.ora...
How to get JSON response from http.Get
...main() {
foo1 := new(Foo) // or &Foo{}
getJson("http://example.com", foo1)
println(foo1.Bar)
// alternately:
foo2 := Foo{}
getJson("http://example.com", &foo2)
println(foo2.Bar)
}
You should not be using the default *http.Client structure in production as this...
Java Interfaces/Implementation naming convention [duplicate]
...n that the class is abstract and to how it should be used. You could still come up with a better name than AbstractTruck and use BaseTruck or DefaultTruck instead since the abstract is in the definition. But since Abstract classes should never be part of any public facing interface I believe it is a...
Xcode source automatic formatting
As a C# developer, I have become highly dependent on the automatic formatting in Visual Studio 2008. Specifically, I will use the CTRL + K , D keyboard shortcut to force things back into shape after my sloppy implementation.
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Can't find a “not equal” css attribute selector
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How do I get SUM function in MySQL to return '0' if no values are found?
...
Use COALESCE to avoid that outcome.
SELECT COALESCE(SUM(column),0)
FROM table
WHERE ...
To see it in action, please see this sql fiddle: http://www.sqlfiddle.com/#!2/d1542/3/0
More Information:
Given three tables (one with all numbers, one with ...
Get pandas.read_csv to read empty values as empty string instead of nan
...
I added a ticket to add an option of some sort here:
https://github.com/pydata/pandas/issues/1450
In the meantime, result.fillna('') should do what you want
EDIT: in the development version (to be 0.8.0 final) if you specify an empty list of na_values, empty strings will stay empty strings ...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
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You can use following commands to extract public/private key from a PKCS#12 container:
PKCS#1 Private key
openssl pkcs12 -in yourP12File.pfx -nocerts -out privateKey.pem
Certificates:
openssl pkcs12 -in yourP12File.pfx -clcerts -nokeys -out p...
Best way to resolve file path too long exception
... structured in the following order: drive letter, colon,
backslash, name components separated by backslashes, and a terminating
null character. For example, the maximum path on drive D is "D:\some
256-character path string<NUL>" where "<NUL>" represents the invisible
terminating ...
How to get a time zone from a location using latitude and longitude coordinates?
...stions on StackOverflow about resolving a time zone from a location. This community wiki is an attempt at consolidating all of the valid responses.
...