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Getting the IP address of the current machine using Java
...new DatagramSocket()){
socket.connect(InetAddress.getByName("8.8.8.8"), 10002);
ip = socket.getLocalAddress().getHostAddress();
}
This way works well when there are multiple network interfaces. It always returns the preferred outbound IP. The destination 8.8.8.8 is not needed to be reachable. ...
Purpose of asterisk before a CSS property
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answered Nov 6 '09 at 21:44
Waleed AmjadWaleed Amjad
6,43233 gold badges3030 silver badges3333 bronze badges
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npm: disable postinstall script for package
... Gergo ErdosiGergo Erdosi
34.6k1616 gold badges100100 silver badges9090 bronze badges
2
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How do I check if an integer is even or odd? [closed]
...lo.c */
#include <stdio.h>
int main(void)
{
int x;
for (x = 0; x < 10; x++)
if (x % 2)
printf("%d is odd\n", x);
return 0;
}
/* and.c */
#include <stdio.h>
int main(void)
{
int x;
for (x = 0; x < 10; x++)
if (x & 1)
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Copy table without copying data
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Try:
CREATE TABLE foo SELECT * FROM bar LIMIT 0
Or:
CREATE TABLE foo SELECT * FROM bar WHERE 1=0
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C multi-line macro: do/while(0) vs scope block [duplicate]
I've seen some multi-line C macros that are wrapped inside a do/while(0) loop like:
1 Answer
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Remove the image from a imageview Android [duplicate]
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406
I always use
imageView.setImageDrawable(null);
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How to create empty data frame with column names specified in R? [duplicate]
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Just create a data.frame with 0 length variables
eg
nodata <- data.frame(x= numeric(0), y= integer(0), z = character(0))
str(nodata)
## 'data.frame': 0 obs. of 3 variables:
## $ x: num
## $ y: int
## $ z: Factor w/ 0 levels:
or to create...
c/c++浮点输出时，不显示小数点后没用的0 - C/C++ - 清泛网 - 专注C/C++及内核技术
c/c++浮点输出时，不显示小数点后没用的0用%g格式符就可以了。%g用来输出实数，它根据数值的大小，自动选f格式或e格式（选择输出时占宽度较小的一种），且不输出无意义的0。即%g是 用%g格式符就可以了。%g用来输出实数，...
MFC 改变Edit等控件的高度、大小及位置 - C/C++ - 清泛网 - 专注C/C++及内核技术
MFC 改变Edit等控件的高度、大小及位置pWnd->MoveWindow( CRect(0,0,100,100) ); 在窗口左上角显示一个宽100、高100的编辑控件SetWindowPos()函数使用更灵活，多用于只修改...pWnd->MoveWindow( CRect(0,0,100,100) ); //在窗口左上角显示一个宽100、高100...