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Convert Python program to C/C++ code? [closed]
...nces. And the interfacing with Python you get in all cases where you use C from Python.
– Lennart Regebro
Jan 10 '11 at 19:30
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How to scale down a range of numbers with a known min and max value
...ange of say 1-30. I have methods that find the minimum and maximum values from my data set, but I won't have the min and max until runtime. Is there an easy way to do this?
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Force SSL/https using .htaccess and mod_rewrite
...om/htaccess/http-https-rewriterule-redirect.html
You can also solve this from within PHP in case your provider has disabled .htaccess (which is unlikely since you asked for it, but anyway)
if (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] !== 'on') {
if(!headers_sent()) {
header("Sta...
Deleting queues in RabbitMQ
...d:
Returns a RabbitMQ node to its virgin state.
Removes the node from any cluster it belongs to, removes all data from
the management database, such as configured users and vhosts, and
deletes all persistent messages.
So, be careful using it.
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.gitignore is ignored by Git
...r current changes, or you will lose them.
Then run the following commands from the top folder of your Git repository:
git rm -r --cached .
git add .
git commit -m "fixed untracked files"
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Why does Ruby 1.9.2 remove “.” from LOAD_PATH, and what's the alternative?
... @Joshua Cheek: Also, as a sort-of counterbalance to removing . from $LOAD_PATH, Ruby 1.9.2 introduces require_relative which ... surprise ... require s a file relative to the location of the currently executing file (i.e. relative to File.dirname(__FILE__) ).
– Jör...
Drop unused factor levels in a subsetted data frame
...- factor(subdf$letters)
> subdf$letters
[1] a b c
Levels: a b c
EDIT
From the factor page example:
factor(ff) # drops the levels that do not occur
For dropping levels from all factor columns in a dataframe, you can use:
subdf <- subset(df, numbers <= 3)
subdf[] <- lapply(subd...
How do you extract a column from a multi-dimensional array?
Does anybody know how to extract a column from a multi-dimensional array in Python?
20 Answers
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地图组件（高德地图） · App Inventor 2 中文网
...特征的 可见性 属性值）。此列表还包含通过调用 FeatureFromDescription 在 地图 上创建的所有特征点。
高度
设置地图的垂直高度，以像素px为单位。
高度百分比
设置地图的垂直高度相对于整个屏幕高度的百分比。
纬度
获...
keep rsync from removing unfinished source files
...t of files to disk. mass has a lot of disk space. I want to move the files from speed to mass after they're done downloading. Ideally, I'd just run:
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