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How do I iterate over a JSON structure? [duplicate]
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13 Answers
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What are all codecs and formats supported by FFmpeg?
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173
Codecs proper:
ffmpeg -codecs
Formats:
ffmpeg -formats
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Find the files that have been changed in last 24 hours
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491
To find all files modified in the last 24 hours (last full day) in a particular specific directo...
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...
【转】用App Inventor 2实现电子围栏功能 - App应用开发 - 清泛IT社区，为创新赋能！
...le（矩形）。我这里用了Circle和Polygon。
步骤1 添加组件
组件说明：圆形围栏按钮：用于显示圆形围栏并判断当前位置是否在圆形围栏内多边形围栏按钮：用于显示多边形围栏并判断当前位置是否在多边形围栏...
Breaking out of a nested loop
...urn to exit back to the main code.
// goto
for (int i = 0; i < 100; i++)
{
for (int j = 0; j < 100; j++)
{
goto Foo; // yeuck!
}
}
Foo:
Console.WriteLine("Hi");
vs:
// anon-method
Action work = delegate
{
for (int x = 0; x < 10...
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...
NTFS performance and large volumes of files and directories
... if I could defrag it then. If this fails, then what I would have to do is 1) create a new folder. 2) move a batch of files to the new folder. 3) defrag the new folder. repeat #2 & #3 until this is done and then 4) remove the old folder and rename the new folder to match the old.
To answer you...
What are detached, persistent and transient objects in hibernate?
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163
A new instance of a persistent class which is not associated with a Session, has no representa...