大约有 42,000 项符合查询结果（耗时：0.0297秒） [XML]
Getting LaTeX into R Plots
...
As stolen from here, the following command correctly uses LaTeX to draw the title:
plot(1, main=expression(beta[1]))
See ?plotmath for more details.
share
|
im...
How to 'grep' a continuous stream?
...
@MichaelNiemand you could use tail -F file | grep --line-buffered my_pattern
– jcfrei
May 26 '15 at 16:28
48
...
How to format a number as percentage in R?
...scales package, as documented in krlmlr's answer. Use that instead of my hand-rolled solution.
Try something like
percent <- function(x, digits = 2, format = "f", ...) {
paste0(formatC(100 * x, format = format, digits = digits, ...), "%")
}
With usage, e.g.,
x <- c(-1, 0, 0.1, 0.5555...
Can iterators be reset in Python?
Can I reset an iterator / generator in Python? I am using DictReader and would like to reset it to the beginning of the file.
...
No module named pkg_resources
I'm deploying a Django app to a dev server and am hitting this error when I run pip install -r requirements.txt :
34 Answe...
How to read from stdin line by line in Node
I'm looking to process a text file with node using a command line call like:
6 Answers
...
How to change the background color of the options menu?
...arent="Theme.AppCompat.Light.DarkActionBar">
...
<item name="android:itemBackground">@color/overflow_background</item>
...
</style>
Tested from API 4.2 to 5.0.
share
|
...
Count the number of commits on a Git branch
...
If you merge another branch into the current branch without fast forward and you do the above, the merge is also counted. This is because for git a merge is a commit.
If you don't want to count these commits add --no-merges:
git rev-list --no-merges --count HEAD ^develop
...
Twitter Bootstrap Tabs: Go to Specific Tab on Page Reload or Hyperlink
I'm developing a web page in which I'm using Twitter's Bootstrap Framework and their Bootstrap Tabs JS . It works great except for a few minor issues, one of which is I do not know how go directly to a specific tab from an external link. For example:
...
What can be the reasons of connection refused errors?
... its backlog of pending connections is full.
A firewall between the client and server is blocking access (also check local firewalls).
After checking for firewalls and that the port is open, use telnet to connect to the ip/port to test connectivity. This removes any potential issues from your appl...