大约有 40,000 项符合查询结果（耗时：0.0731秒） [XML]
Making heatmap from pandas DataFrame
...t instead of %matplotlib inline and finish with plt.show() in order to actually see the plot.
– tsveti_iko
Jul 23 '19 at 15:19
...
Django Forms: if not valid, show form with error message
...ee. I return the same form that I got in. The error messages have automatically been added to it by the is_valid() function.
– user984003
Feb 1 '13 at 13:57
...
FFMPEG (libx264) “height not divisible by 2”
...vcodec libx264 -y -an video.mp4 -vf "pad=ceil(iw/2)*2:ceil(ih/2)*2"
Basically, .h264 needs even dimensions so this filter will:
Divide the original height and width by 2
Round it up to the nearest pixel
Multiply it by 2 again, thus making it an even number
Add black padding pixels up to this num...
How to use QueryPerformanceCounter?
...
#include <windows.h>
double PCFreq = 0.0;
__int64 CounterStart = 0;
void StartCounter()
{
LARGE_INTEGER li;
if(!QueryPerformanceFrequency(&li))
cout << "QueryPerformanceFrequency failed!\n";
PCFreq = double(li.QuadPart)/1000.0;
QueryP...
How to get the name of the current method from code [duplicate]
...o have a helper method:
[MethodImpl(MethodImplOptions.NoInlining)]
public string GetCurrentMethod()
{
var st = new StackTrace();
var sf = st.GetFrame(1);
return sf.GetMethod().Name;
}
Updated with credits to @stusmith.
...
Find where java class is loaded from
...an example:
package foo;
public class Test
{
public static void main(String[] args)
{
ClassLoader loader = Test.class.getClassLoader();
System.out.println(loader.getResource("foo/Test.class"));
}
}
This printed out:
file:/C:/Users/Jon/Test/foo/Test.class
...
How to add a button to PreferenceScreen
...nt);
buttonDone = new Button(this);
buttonDone.setText(R.string.filterButton_Done);
buttonDone.setLayoutParams(new LayoutParams(width/2, LayoutParams.WRAP_CONTENT));
gradientView.addView(buttonDone);
buttonRevert = new Button(this);
buttonRevert.s...
Can you attach a UIGestureRecognizer to multiple views?
...rray...: >; layer = <CALayer: ...>>) at a time, this was never allowed, and is now enforced. Beginning with iOS 9.0 it will be put in the first view it is loaded into.
– George Brown
Jan 5 '16 at 21:54
...
How to capture a list of specific type with mockito
...
List<String> mockedList = mock(List.class);
List<String> l = new ArrayList();
l.add("someElement");
mockedList.addAll(l);
ArgumentCaptor<List> argumentCaptor = ArgumentCaptor.forClass(List.class);
verify(mockedL...
Ways to synchronize interface and implementation comments in C# [closed]
...dingly.
/// </remarks>
public void MethodImplementingInterfaceMethod(string foo, int bar)
{
//
}
Here is the help page from the Sandcastle Help File Builder GUI, which describes its usage in full.
(Of course, this isn't specifically "synchronisation", as your question mentions, but it w...