大约有 47,000 项符合查询结果（耗时：0.0920秒） [XML]
Call asynchronous method in constructor?
...lizeComponent();
}
private async Task getWritings()
{
string jsonData = await JsonDataManager.GetJsonAsync("1");
JObject obj = JObject.Parse(jsonData);
JArray array = (JArray)obj["posts"];
for (int i = 0; i < array.Count; i++)
{
Wr...
Android Spinner : Avoid onItemSelected calls during initialization
...{
TextView textView = (TextView) findViewById(R.id.textView1);
String str = (String) parent.getItemAtPosition(pos);
textView.setText(str);
}
}
You can do it with boolean value and also by checking current and previous positions. See here
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How do I specify the exit code of a console application in .NET?
... InvalidLogin = 1,
InvalidFilename = 2,
UnknownError = 10
}
int Main(string[] args) {
return (int)ExitCode.Success;
}
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What is the python “with” statement designed for?
...r the first time today. I've been using Python lightly for several months and didn't even know of its existence! Given its somewhat obscure status, I thought it would be worth asking:
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Clear the cache in JavaScript
...rious other answers. In addition, see Revving Filenames: don’t use querystring for reasons not to use ?v=n as your versioning scheme.
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Reasons for using the set.seed function
...set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each student has a unique dataset but the instructor can also create the same datasets for grading.
– Greg Snow
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Adding a guideline to the editor in Visual Studio
...Puts a white line at column 4 and column 80. This should be the value of a string value Guides in "Text Editor" key (see bellow).
Be sure to pick a line color that will be visisble on your background. This color won't show up on the default background color in VS. This is the value for a light grey...
Generate random int value from 3 to 6
...- @min + 1)) + @min
Updated based on comments:
NEWID generates random string (for each row in return)
CHECKSUM takes value of string and creates number
modulus (%) divides by that number and returns the remainder (meaning max value is one less than the number you use)
ABS changes negative res...
Delete ActionLink with confirm dialog
...he overloaded method you're looking for is this one:
public static MvcHtmlString ActionLink(
this HtmlHelper htmlHelper,
string linkText,
string actionName,
Object routeValues,
Object htmlAttributes
)
http://msdn.microsoft.com/en-us/library/dd492124.aspx
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How do I set the value property in AngularJS' ng-options?
...t allows you to use any type of object as value in option rather than only strings. You should never try to get the value of the select the other way around you just need to use ngModel you attached to select element.
– Umur Kontacı
Jan 31 '13 at 6:48
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