大约有 16,000 项符合查询结果（耗时：0.0308秒） [XML]
How to set the text color of TextView in code?
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getColor(int) is deprecated.
– RestInPeace
Nov 28 '15 at 10:05
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How to “test” NoneType in python?
...m the horse's mouth
Quoting Python's Coding Style Guidelines - PEP-008 (jointly defined by Guido himself),
Comparisons to singletons like None should always be done with is or is not, never the equality operators.
shar...
Web API Routing - api/{controller}/{action}/{id} “dysfunctions” api/{controller}/{id}
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The route engine uses the same sequence as you add rules into it. Once it gets the first matched rule, it will stop checking other rules and take this to search for controller and action.
So, you should:
Put your specific rules ahead of your general rules(like default), which ...
How to specify a min but no max decimal using the range data annotation attribute?
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I've used it for Int32 (Int32.MaxValue) and it is ok, thanks!
– Bronek
May 8 '13 at 19:24
16
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node.js execute system command synchronously
...FI = require("node-ffi");
var libc = new FFI.Library(null, {
"system": ["int32", ["string"]]
});
var run = libc.system;
run("echo $USER");
[EDIT Jun 2012: How to get STDOUT]
var lib = ffi.Library(null, {
// FILE* popen(char* cmd, char* mode);
popen: ['pointer', ['string', 'string']],
...
Separate Back Stack for each tab in Android using Fragments
...in the framework. For an example try paying attention to how the back key interacts with the standard browser in the various ways you can go in and out of it. (Each "window" in the browser is essentially a tab.)
share
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Precision String Format Specifier In Swift
...ion so far, following from David's response:
import Foundation
extension Int {
func format(f: String) -> String {
return String(format: "%\(f)d", self)
}
}
extension Double {
func format(f: String) -> String {
return String(format: "%\(f)f", self)
}
}
let so...
How to create a file in Android?
How to create a file, write data into it and read data from it on Android? If possible provide a code snippet.
4 Answers
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Get spinner selected items text?
...public void onItemSelected(AdapterView<?> parent,
View view, int pos, long id) {
Toast.makeText(parent.getContext()), "The planet is " +
parent.getItemAtPosition(pos).toString(), Toast.LENGTH_LONG).show();
}
public void onNothingSelected(AdapterView parent) {
...
The object cannot be deleted because it was not found in the ObjectStateManager
... propergate on Kjartans explanation:
I had:
public Project DeleteProject(int id)
{
using (var context = new Context())
{
var p = GetProject(id);
context.Projects.Remove(p);
context.SaveChanges();
return p;
}
}
The pr...