大约有 47,000 项符合查询结果（耗时：0.1061秒） [XML]
python list by value not by reference [duplicate]
...
220
As answered in the official Python FAQ:
b = a[:]
...
Capitalize first letter. MySQL
... |
edited Nov 24 '10 at 3:56
answered Nov 24 '10 at 3:45
...
Why does HTML5 form-validation allow emails without a dot?
...
Ali AlaviAli Alavi
1,9591414 silver badges2020 bronze badges
7
...
C++0x lambda capture by value always const?
...
answered May 14 '10 at 16:06
Edward StrangeEdward Strange
38.1k77 gold badges6161 silver badges120120 bronze badges
...
Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...
answered Jul 10 '13 at 5:40
seaotternerdseaotternerd
5,65222 gold badges3939 silver badges5757 bronze badges
...
Compare two Byte Arrays? (Java)
...
In your example, you have:
if (new BigInteger("1111000011110001", 2).toByteArray() == array)
When dealing with objects, == in java compares reference values. You're checking to see if the reference to the array returned by toByteArray() is the same as the reference held in ...
How do I provide JVM arguments to VisualVM?
I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
Why did Bootstrap 3 switch to box-sizing: border-box?
I'm migrating my Bootstrap themes from v2.3.2 to v3.0.0 and one thing I noticed is that a lot of dimensions are calculated differently, due to the following styles in bootstrap.css.
...
Pythonic way of checking if a condition holds for any element of a list
...
any():
if any(t < 0 for t in x):
# do something
Also, if you're going to use "True in ...", make it a generator expression so it doesn't take O(n) memory:
if True in (t < 0 for t in x):
...
Private and protected constructor in Scala
...
190
You can declare the default constructor as private/protected by inserting the appropriate keywor...