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What are the main performance differences between varchar and nvarchar SQL Server data types?
...hat there is no tangible difference between joining nvarchar to varchar vs converting nvarchar to varchar and joining to varchar. Unless of course you meant being consistent in column datatypes, not in joining.
– ajeh
Apr 12 '17 at 18:53
...
JSON serialization of Google App Engine models
...
A simple recursive function can be used to convert an entity (and any referents) to a nested dictionary that can be passed to simplejson:
import datetime
import time
SIMPLE_TYPES = (int, long, float, bool, dict, basestring, list)
def to_dict(model):
output = {}...
Do python projects need a MANIFEST.in, and what should be in it?
...
@Ame I agree, things moved on. Currently I am converting most my projects from pbr to poetry
– Jan Vlcinsky
Dec 28 '18 at 0:57
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How to format a string as a telephone number in C#
... data types (int, long). If you are starting with a string, you'll need to convert it to a number first. Also, please take into account that you'll need to validate that the initial string is at least 10 characters in length.
From a good page full of examples:
String.Format("{0:(###) ###-####}", 8...
async await return Task
...int> and you'll return plain int not the Task<int>. Compiler will convert the int to Task<int> for you.
private async Task<int> MethodName()
{
await SomethingAsync();
return 42;//Note we return int not Task<int> and that compiles
}
Sameway, When you return Task&...
File Upload ASP.NET MVC 3.0
...he file to the App_Data (or equivalent) folder first, before attempting to convert it to a byte array, or can you do this direct from the file on disk?
– Brett Rigby
Mar 22 '13 at 21:43
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Pickle or json?
...ould have added a field, or replaced a whole sub structure. Writing such a converter (migration) for dict/list is straight forward, but with Pickle you'll have a hard time loading it in the first place, before you can even think of converting.
– vog
Jan 16 '17 ...
How can I convert a zero-terminated byte array to string?
...bytes read, your code would look like this:
s := string(byteArray[:n])
To convert the full string, this can be used:
s := string(byteArray[:len(byteArray)])
This is equivalent to:
s := string(byteArray)
If for some reason you don't know n, you could use the bytes package to find it, assuming your...
R command for setting working directory to source file location in Rstudio
...
This answer can help:
script.dir <- dirname(sys.frame(1)$ofile)
Note: script must be sourced in order to return correct path
I found it in: https://support.rstudio.com/hc/communities/public/questions/200895567-can-user-obtain-the-path-of-current-Project-s-direct...
Printing a variable memory address in swift
... exploring their declaration (cmd+click on the type), to understand how to convert a type of pointer into another
var aString : NSString = "This is a string" // create an NSString
var anUnmanaged = Unmanaged<NSString>.passUnretained(aString) // take an unmanaged pointer
var opa...