大约有 43,200 项符合查询结果（耗时：0.0557秒） [XML]
nil detection in Go
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183
The compiler is pointing the error to you, you're comparing a structure instance and nil. They...
Good NumericUpDown equivalent in WPF? [closed]
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edited Nov 15 '12 at 8:12
Artur Carvalho
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How to include external Python code to use in other files?
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153
You will need to import the other file as a module like this:
import Math
If you don't want...
How to convert currentTimeMillis to a date in Java?
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11 Answers
11
Active
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Determine font color based on background color
...n color...
double luminance = ( 0.299 * color.R + 0.587 * color.G + 0.114 * color.B)/255;
if (luminance > 0.5)
d = 0; // bright colors - black font
else
d = 255; // dark colors - white font
return Color.FromArgb(d, d, d);
}
This was tested for many various colo...
How to load an ImageView by URL in Android? [closed]
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717
From Android developer:
// show The Image in a ImageView
new DownloadImageTask((ImageView) fin...
UILabel - auto-size label to fit text?
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14 Answers
14
Active
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Multiline syntax for piping a heredoc; is this portable?
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105
Yes, the POSIX standard allows this. According to the 2008 version:
The here-document sha...
Set Viewbag before Redirect
...ection, you shall not use ViewBag, but TempData
public ActionResult Action1 () {
TempData["shortMessage"] = "MyMessage";
return RedirectToAction("Action2");
}
public ActionResult Action2 () {
//now I can populate my ViewBag (if I want to) with the TempData["shortMessage"] content
ViewBag.Mess...
Is it safe to delete an object property while iterating over them?
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117
+100
The EC...