大约有 16,000 项符合查询结果(耗时:0.0308秒) [XML]
How to get the first column of a pandas DataFrame as a Series?
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In [7]: df.iloc[:,0]
Out[7]:
0 1
1 2
2 3
3 4
Name: x, dtype: int64
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How to check if AlarmManager already has an alarm set?
... solution. Let's say you have registered a repeating alarm with a pending intent like this:
Intent intent = new Intent("com.my.package.MY_UNIQUE_ACTION");
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0,
intent, PendingIntent.FLAG_UPDATE_C...
Sorting a Python list by two fields
...For example, the columns to be used as keys are all strings that cannot be converted to numbers. Secondly, one wants to sort in ascending order by one column and descending order by another column.
– coder.in.me
Sep 25 '16 at 9:00
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Copy table without copying data
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How could you convert show create table bar into a dynamically executable statement?
– Pacerier
Feb 2 '15 at 12:23
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System.Timers.Timer vs System.Threading.Timer
...hat there is a difference between the two as it pertains to how small your intervals can be.
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Terminating a script in PowerShell
... via CLI e.g. powershell -command "& module-function ...". I needed to convert those functions to throw to a wrapping try-catch and exit from that wrapping catch in order to actually output an error exit code.
– Josh
Mar 16 '16 at 14:37
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How to make an ImageView with rounded corners?
...graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Bitmap.Config;
import android.graphics.PorterDuff.Mode;
public class ImageHelper {
pub...
Get DOS path instead of Windows path
...ctly with the long names, nor even spaces though a pain, but worst is when international characters are present which simply hose my script taking this dir list as input.
– Marcos
Jan 15 '12 at 12:50
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Super-simple example of C# observer/observable with delegates
I recently started digging into C# but I can't by my life figure out how delegates work when implementing the observer/observable pattern in the language.
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LaTeX: Prevent line break in a span of text
...at the point of the command. With the
optional argument, number, you can convert the \nolinebreak command
from a demand to a request. The number must be a number from 0 to 4.
The higher the number, the more insistent the request is.
Source: http://www.personal.ceu.hu/tex/breaking.htm#nolineb...
