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Circle line-segment collision detection algorithm?
...ger than the radius? All of these involve magnitude of vector, i.e. square root.
– ADB
Sep 1 '10 at 14:42
15
...
How to Free Inode Usage?
...ion:
Try to find if this is an inodes problem with:
df -ih
Try to find root folders with large inodes count:
for i in /*; do echo $i; find $i |wc -l; done
Try to find specific folders:
for i in /src/*; do echo $i; find $i |wc -l; done
If this is linux headers, try to remove oldest with:
s...
How can I maintain fragment state when added to the back stack?
...thing as this question, but I've included a complete code sample to help root out the issue:
13 Answers
...
ReactJS - Does render get called any time “setState” is called?
...only time when render isn't called is when some branch is moved to another root, where theoretically we don't need to re-render anything. In your example, TimeInChild is a child component of Main, so it also gets re-rendered when the state of Main changes.
React doesn't compare state data. When setS...
What are copy elision and return value optimization?
...w";//RVO
return 0;
}
**Output without -fno-elide-constructors**
root@ajay-PC:/home/ajay/c++# ./a.out
Constructor
Constructor
Constructor
Constructor
Destructor
Destructor
Destructor
Destructor
**Output with -fno-elide-constructors**
root@ajay-PC:/home/ajay/c++# g++...
plupload图片上传插件的使用 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的名称。默认情况下被设置为文件。（我试验了没找到该如何使用它，暂且不提）
filters:选择文件扩展名的过滤器,每个过滤规则中只有title和ext两项[{title:”, extensions:”}]
flash_swf_url:flash文件地址
headers：自定义的插入http请求...
First-time database design: am I overengineering? [closed]
...noting that if you're generating CSVs already and want to load them into a mySQL database, LOAD DATA LOCAL INFILE is your best friend: http://dev.mysql.com/doc/refman/5.1/en/load-data.html . Mysqlimport is also worth looking into, and is a command-line tool that's basically a nice wrapper around loa...
How to Unit test with different settings in Django?
...the tests? Best I've found is something like self.settings().wrapped.MEDIA_ROOT, but that's pretty terrible.
– mlissner
Oct 22 '14 at 17:56
2
...
Simple Log to File example for django 1.3+
...lass':'logging.handlers.RotatingFileHandler',
'filename': SITE_ROOT + "/logfile",
'maxBytes': 50000,
'backupCount': 2,
'formatter': 'standard',
},
'console':{
'level':'INFO',
'class':'logging.StreamHandler',
...
How do I ignore files in Subversion?
...rty itself is ignored in non-immediate descendant directories:
cd ~/myRepoRoot # Open an existing repo.
echo "foo" > "ignoreThis.txt" # Create a file called "ignoreThis.txt".
svn status # Check to see if the file is ign...