大约有 41,000 项符合查询结果(耗时:0.0371秒) [XML]
Understanding slice notation
...s bizarrely error-proof:
>>> p[100:200]
[]
>>> p[int(2e99):int(1e99)]
[]
This can come in handy sometimes, but it can also lead to somewhat strange behavior:
>>> p
['P', 'y', 't', 'h', 'o', 'n']
>>> p[int(2e99):int(1e99)] = ['p','o','w','e','r']
>>>...
How to run a shell script at startup
...
The name of the script is /etc/init.d/apex
#!/bin/bash
# chkconfig: 345 99 10
# Description: auto start apex listener
#
case "$1" in
'start')
su - oracle -c "cd /opt/apex ; java -jar apex.war > logs/apex.log 2>logs/apex_error.log &";;
'stop')
echo "put something to shutdown or k...
Testing modules in rspec
...keKarmen Blake
3,38433 gold badges1414 silver badges99 bronze badges
3
...
Installing older version of R package
...
ThomasThomas
39.2k99 gold badges9494 silver badges128128 bronze badges
...
How can I add additional PHP versions to MAMP
...
ioCronioCron
54355 silver badges99 bronze badges
...
Distributed sequence number generation?
...
PaoloPaolo
1,03311 gold badge99 silver badges99 bronze badges
3
...
Selenium WebDriver: Wait for complex page with JavaScript to load
...
Petr JanečekPetr Janeček
33.7k99 gold badges111111 silver badges136136 bronze badges
add a ...
What's the best way to unit test protected & private methods in Ruby?
... ruby 1.9 does break just about everything.
– jes5199
Nov 15 '08 at 22:37
1
Just to note: Never...
Epoch vs Iteration when training neural networks
...
PredictorPredictor
94466 silver badges99 bronze badges
3
...
How to replace multiple white spaces with one white space
...0 1001
============ Normalize ============
NormalizeWithSplitAndJoin 1156299 0:29.898 21.99
NormalizeWithRegex 23243802 0:27.335 1.00
Here the first number is the number of iterations, the second is the time taken, and the third is a scaled score with 1.0 being the best.
That shows that ...