大约有 46,000 项符合查询结果（耗时：0.0637秒） [XML]
When to use cla(), clf() or close() for clearing a plot in matplotlib?
... |
edited Jul 6 '18 at 2:08
spinkus
4,29411 gold badge2222 silver badges4646 bronze badges
answered Nov...
How to make a great R reproducible example
...sed for making factors.
A few examples :
random values : x <- rnorm(10) for normal distribution, x <- runif(10) for uniform distribution, ...
a permutation of some values : x <- sample(1:10) for vector 1:10 in random order.
a random factor : x <- sample(letters[1:4], 20, replace = TRU...
SET versus SELECT when assigning variables?
...|
edited Jan 5 '16 at 16:30
Luke Girvin
12.5k88 gold badges5555 silver badges7878 bronze badges
answered...
Maven Install on Mac OS X
...
209
OS X prior to Mavericks (10.9) actually comes with Maven 3 built in.
If you're on OS X Lion,...
Can I set a breakpoint on 'memory access' in GDB?
...ad/write.
You can set read watchpoints on memory locations:
gdb$ rwatch *0xfeedface
Hardware read watchpoint 2: *0xfeedface
but one limitation applies to the rwatch and awatch commands; you can't use gdb variables
in expressions:
gdb$ rwatch $ebx+0xec1a04f
Expression cannot be implemented with ...
How to write inline if statement for print?
...ents. Only the a part is an expression. So if you write
print a if b else 0
it means
print (a if b else 0)
and similarly when you write
x = a if b else 0
it means
x = (a if b else 0)
Now what would it print/assign if there was no else clause? The print/assignment is still there.
And not...
How do you implement a private setter when using an interface?
...
– Marcello Nicoletti
Feb 26 '18 at 21:40
add a comment
|
...
Make Heroku run non-master Git branch
...om/articles/…
– Jon Mountjoy
Jan 30 '13 at 10:52
50
Worth noting also, when you're ready to go ...
How do you do a case insensitive search using a pattern modifier using less?
...
answered Aug 19 '08 at 20:09
Juha SyrjäläJuha Syrjälä
30k3030 gold badges121121 silver badges171171 bronze badges
...
Relative paths based on file location instead of current working directory [duplicate]
... to do is get the absolute path of the script (available via ${BASH_SOURCE[0]}) and then use this to get the parent directory and cd to it at the beginning of the script.
#!/bin/bash
parent_path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
cd "$parent_path"
cat ../some.text
This will make y...