大约有 39,000 项符合查询结果(耗时:0.0419秒) [XML]
Obfuscated C Code Contest 2006. Please explain sykes2.c
...n(_) {
_^448 && main(-~_);
putchar(--_%64
? 32 | -~7[__TIME__-_/8%8][">'txiZ^(~z?"-48] >> ";;;====~$::199"[_*2&8|_/64]/(_&2?1:8)%8&1
: 10);
}
Introducing variables to untangle this mess:
main(int i) {
if(i^448)
main(-~i);
if(--i...
Interface Builder: What are the UIView's Layout iOS 6/7 Deltas for?
I just noticed the iOS 6/7 Delta property found under the UIView's structs layout.
6 Answers
...
Installing Java 7 on Ubuntu
...
This answer used to describe how to install Oracle Java 7. This no longer works since Oracle end-of-lifed Java 7 and put the binary downloads for versions with security patches behind a paywall. Also, OpenJDK has grown up and is a more viable alternative nowadays.
In Ubuntu 16.0...
Android Studio needs JDK 7 for Android-L mac
...
Setting the directory to:
/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home
in JDK settings solved my issue. I had the same problem getting started up. Hope this helps!
share
|
...
Why does Math.round(0.49999999999999994) return 1?
...
576
Summary
In Java 6 (and presumably earlier), round(x) is implemented as floor(x+0.5).1 This i...
Find element's index in pandas Series
...
207
>>> myseries[myseries == 7]
3 7
dtype: int64
>>> myseries[myseries == 7].in...
How to use a different version of python during NPM install?
...g centos 5.9 and default python 2.4.3 installed. I also installed python 2.7.3 via these commands: (I used make altinstall instead of make install )
...
Using numpy to build an array of all combinations of two arrays
...ion:
@pv's solution
In [113]:
%timeit cartesian(([1, 2, 3], [4, 5], [6, 7]))
10000 loops, best of 3: 135 µs per loop
In [114]:
cartesian(([1, 2, 3], [4, 5], [6, 7]))
Out[114]:
array([[1, 4, 6],
[1, 4, 7],
[1, 5, 6],
[1, 5, 7],
[2, 4, 6],
[2, 4, 7],
[2,...
Selecting with complex criteria from pandas.DataFrame
...00 for x in range(10)]})
>>> df
A B C
0 9 40 300
1 9 70 700
2 5 70 900
3 8 80 900
4 7 50 200
5 9 30 900
6 2 80 700
7 2 80 400
8 5 80 300
9 7 70 800
We can apply column operations and get boolean Series objects:
>>> df["B"] > 50
0 False...
Is ASCII code 7-bit or 8-bit?
... me ASCII is 8-bit character coding scheme. But it is defined only for 0-127 codes which means it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code?
...