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How to assign colors to categorical variables in ggplot2 that have stable mapping?
...maintain consistent color schemes across multiple data frames that are not all obtained by subsetting a single large data frame. Managing the factors levels in multiple data frames can become tedious if they are being pulled from separate files and not all factor levels appear in each file.
One way...
Set attributes from dictionary in python
...key])
Update
As Brent Nash suggests, you can make this more flexible by allowing keyword arguments as well:
class Employee(object):
def __init__(self, *initial_data, **kwargs):
for dictionary in initial_data:
for key in dictionary:
setattr(self, key, dicti...
廉价共享存储解决方案1-drbd+ha+nfs - 更多技术 - 清泛网 - 专注C/C++及内核技术
...缓存的情况下可能会报目录不存在的错误，无视
yum clean all
yum makecache
3安装drbd(share1和2上操作)
3.1 准备编译环境
yum -y install gcc make automake autoconf flex rpm-build kernel-devel
3.2 上传解压源文件
利用xftp 把 drbd-8.4.6.tar.gz，d...
vbscript output to console
...aples - Not w/ the stock WScript.Echo. I suppose, if you wanted to stay totally within WScript you could do something horrifyingly dodgy like Exec'ing off another process to do a "SendKeys" to the parent process to close the MessageBox.
– Evan Anderson
Jun 22 '...
Bulk insert with SQLAlchemy ORM
...
You also need s.commit() to actually save the records (it took me a bit to figure this one out).
– horcle_buzz
Dec 4 '15 at 1:30
3
...
How to convert PascalCase to pascal_case?
...esult [$output]\n";
}
}
function from_camel_case($input) {
preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches);
$ret = $matches[0];
foreach ($ret as &$match) {
$match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
}
...
SQL: deleting tables with prefix
How to delete my tables who all have the prefix myprefix_ ?
10 Answers
10
...
How should I log while using multiprocessing in Python?
...that its log goes to a different file descriptor (to disk or to pipe.) Ideally, all log entries should be timestamped.
Your controller process can then do one of the following:
If using disk files: Coalesce the log files at the end of the run, sorted by timestamp
If using pipes (recommended): C...
What are the mechanics of short string optimization in libc++?
...ver, I would like to know in more detail how it works in practice, specifically in the libc++ implementation:
2 Answers
...
Among $_REQUEST, $_GET and $_POST which one is the fastest?
...what my application should do (i.e. one or the other, but not both) : generally speaking :
You should use $_GET when someone is requesting data from your application.
And you should use $_POST when someone is pushing (inserting or updating ; or deleting) data to your application.
Either way, the...