大约有 44,000 项符合查询结果(耗时:0.0487秒) [XML]
Is there a way to use SVG as content in a pseudo element :before or :after
...ke this:
<svg xmlns="http://www.w3.org/2000/svg">
<circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
<polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3"/>
</svg>
...
Arduino Sketch upload issue - avrdude: stk500_recv(): programmer is not responding
...
109
I had this problem with a Crowduino, running the Arduino IDE on OS X. The solution for me was...
How to click or tap on a TextView text
...
answered Nov 6 '10 at 0:03
Patrick CullenPatrick Cullen
8,41233 gold badges1818 silver badges2222 bronze badges
...
std::unique_lock or std::lock_guard?
...
answered Dec 11 '13 at 10:39
Stephan DollbergStephan Dollberg
25.5k1010 gold badges7070 silver badges102102 bronze badges
...
Truncate Two decimal places without rounding
...
value = Math.Truncate(100 * value) / 100;
Beware that fractions like these cannot be accurately represented in floating point.
share
|
improve ...
What does send() do in Ruby?
...
107
send sends a message to an object instance and its ancestors in class hierarchy until some met...
How do you read from stdin?
...
answered Jul 20 '10 at 10:30
user303110user303110
4,75611 gold badge1313 silver badges44 bronze badges
...
How to normalize an array in NumPy?
...umpy as np
from sklearn.preprocessing import normalize
x = np.random.rand(1000)*10
norm1 = x / np.linalg.norm(x)
norm2 = normalize(x[:,np.newaxis], axis=0).ravel()
print np.all(norm1 == norm2)
# True
share
|
...
Object comparison in JavaScript [duplicate]
...
10 Answers
10
Active
...
ORA-12514 TNS:listener does not currently know of service requested in connect descriptor
...
I had this issue and the fix was to make sure in tnsnames.ora the SERVICE_NAME is a valid service name in your database. To find out valid service names, you can use the following query in oracle:
select value from v$parameter where name='service_names'
Once I updated tnsnames.ora to:
TEST =
...