大约有 45,000 项符合查询结果（耗时：0.0595秒） [XML]
Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...
USER_IP=`who -u am i 2>/dev/null| awk '{print $NF}'|sed -e 's/[()]//g'`
if [ "$USER_IP" = "" ]
then
USER_IP=`hostname`
fi
if [ ! -d /tmp/dbasky ]
then
mkdir /tmp/dbasky
chmod 777 /tmp/dbasky
fi
if [ ! -d /tmp/dbasky/${LOGNAME} ]
then
mkdir /tmp/dbasky/${LOGNAME}
chmod 300 /tmp/dbasky/...
Make a negative number positive
...l and do it yourself:
number = (number < 0 ? -number : number);
or
if (number < 0)
number = -number;
share
|
improve this answer
|
follow
|
...
Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue
...op, where the graphic retains its transparency and luminosity, and only modifies the color of the image. For example:
becomes After doing some research, it appears that the ColorMatrixColorFilter class may do what I need, but I can't seem to find any resources pointing to how the matrix is...
how to check the jdk version used to compile a .class file [duplicate]
...
Alternatively, if you open the class file in a hex editor you can look at bytes 7 and 8. The number will map to the numbers given in the above answer. E.g. 00 2E -> JDK 1.2 = 46 (0x2E hex). Useful if you don't have access to javap. ref: ...
dynamically add and remove view to viewpager
...
Thanks. I also had issues with nested scrollview and now I fixed it as well.
– Filip Luchianenco
Jul 18 '16 at 12:35
add a comment
How to get client's IP address using JavaScript?
...e IP lookup services I could find and the information they return. If you know of any more, then please add a comment and I'll update this answer.
Cloudflare
Try it: https://www.cloudflare.com/cdn-cgi/trace
// If your site is on Cloudflare, then you can use '/cdn-cgi/trace' instead
$.get('https://w...
How to fix “Headers already sent” error in PHP
...
No output before sending headers!
Functions that send/modify HTTP headers must be invoked before any output is made.
summary ⇊
Otherwise the call fails:
Warning: Cannot modify header information - headers already sent (output started at script:line)
Some functions modifying...
IOS: verify if a point is inside a rect
Is there a way to verify if a CGPoint is inside a specific CGRect .
8 Answers
8
...
What are my environment variables? [closed]
...
I am not sure if thats what you want, but try printenv
This will show you all your environment variables.
About where they are stored
Linux: where are environment variables stored?
How to set Shell Environment Variables
http://www.code...
Replace all whitespace characters
... +1 for remembering to show that the replace function doesn't modify str, so you have to assign it back.
– FishBasketGordo
Jun 28 '11 at 13:21
1
...