大约有 44,000 项符合查询结果（耗时：0.0780秒） [XML]
How do I build a numpy array from a generator?
...tly at creation time, unlike python lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let operations on them execute much quicker than regular lists.
...
How to pass macro definition from “make” command line arguments (-D) to C source code?
...ariables internally. The GNU Coding Standards require CFLAGS etc. be left for the user, and makefiles choose another variable, like "local_CFLAGS = $(CFLAGS) -Wall".
– MadScientist
Jan 30 '12 at 5:36
...
How do you plot bar charts in gnuplot?
...::1::2 using 1:3:xtic(2) with boxes ls 2
If you want to do multiple bars for each entry:
data.dat:
0 5
0.5 6
1.5 3
2 7
3 8
3.5 1
gnuplot:
set xtics ("label" 0.25, "label2" 1.75, "bar label" 3.25,)
set boxwidth 0.5
set style fill solid
plot 'data.dat' every 2 using 1...
What is the difference between git clone and checkout?
...
The man page for checkout: http://git-scm.com/docs/git-checkout
The man page for clone: http://git-scm.com/docs/git-clone
To sum it up, clone is for fetching repositories you don't have, checkout is for switching between branches in a r...
Global access to Rake DSL methods is deprecated
...o create my database files. I was using rake db:create, but it should work for rake db:migrate as well.
I hope it helps.
share
|
improve this answer
|
follow
...
How to see full symlink path
...
The question was asking specifically for the full/absolute path, not relative path (../../file.txt). Both of these answers will give the relative path.
– wisbucky
Apr 30 '19 at 23:29
...
When should one use RxJava Observable and when simple Callback on Android?
I'm working on networking for my app. So I decided to try out Square's Retrofit . I see that they support simple Callback
...
Redis is single-threaded, then how does it do concurrent I/O?
...ion unit. In this context, parallelism would mean the server is able to perform several things at the same time (with multiple computation units), which is different.
For instance a bartender is able to look after several customers while he can only prepare one beverage at a time. So he can provide...
How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
...ot of your repository, and then do:
git apply yourcoworkers.diff
More information about the apply command is available on its man page.
By the way: A better way to exchange whole commits by file is the combination of the commands git format-patch on the sender and then git am on the receiver, be...
git update-index --assume-unchanged on directory
...ntil ; (which you have to escape lest your shell eats it) and runs it once for each file found, while replacing {} (again, single quoted so your shell won't eat it) with the found file's name.
Using find's matching criteria (maximum recursion depth, whether the match is a file or is a directory, w...