大约有 40,000 项符合查询结果（耗时：0.0344秒） [XML]
Convert a 1D array to a 2D array in numpy
I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this:
...
Copying the GNU screen scrollback buffer to a file (extended hardcopy)
...
Ctrl + A, :, and issue the command 'log on'.
Or set it as the default in your .screenrc file as 'deflog on'.
share
|
improve this answer
|
follow
...
Creating multiline strings in JavaScript
I have the following code in Ruby. I want to convert this code into JavaScript. what's the equivalent code in JS?
39 Answer...
In Python, how do I create a string of n characters in one line of code?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Display two files side by side
...e, so we're just passing that value on to pr to use for its output's width setting.
This also answers @Matt's question:
Is there a way for pr to auto-detect screen width?
So, no: pr itself can't detect the screenwidth, but we're helping out a bit by passing in the terminal's width via the -w ...
select and update database record with a single queryset
How do I run an update and select statements on the same queryset rather than having to do two queries:
- one to select the object
- and one to update the object
...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
I want to extract the public and private key from my PKCS#12 file for later use in SSH-Public-Key-Authentication.
7 Answ...
What does .SD stand for in data.table in R
...
.SD stands for something like "Subset of Data.table". There's no significance to the initial ".", except that it makes it even more unlikely that there will be a clash with a user-defined column name.
If this is your data.table:
DT = data.table(x=rep(c("a",...
How can I strip all punctuation from a string in JavaScript using regex?
...;<\[\]\+]/g, ''). If anyone is looking for a yet-slightly-more-complete set.
– timmfin
Jan 24 '14 at 18:27
...
Ruby Bundle Symbol not found: _SSLv2_client_method (LoadError)
...9.3.
rvm reinstall ruby-1.9.3-p545
After reinstalling, I ran:
$ rvm gemset pristine
If you see any errors restoring your gemset, your best option will be to empty the gemset and rebuild it.
rvm gemset use mygemset
rvm gemset empty mygemset
gem install bundler
bundle install
If you have mult...