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Can I run multiple versions of Google Chrome on the same machine? (Mac or Windows)
...tically unpacks the files and duplicates the profile from a pre-configured base directory.
By default:
The Chrome binaries are placed in subfolders of C:\Chrome\.
The User profiles are created in C:\Chrome\User Data\.
The user profiles will be duplicated from the directory as specified in the sFo...
Applying a git post-commit hook to all current and future repos
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Run an OLS regression with Pandas Data Frame
...ept 14.952480
B 0.401182
C 0.000352
dtype: float64
>>> print(result.summary())
OLS Regression Results
==============================================================================
Dep. Variable: ...
How does this code generate the map of India?
... while (a != 0) {
a = bits[b];
b++;
while (a > 64) {
a--;
if (++c == 'Z') {
c /= 9;
putchar(c);
} else {
putchar(33 ^ (b & 0x01));
}
}
}
return 0;
}
The s...
How to convert an array of strings to an array of floats in numpy?
...port numpy as np
a = ["1.1", "2.2", "3.2"]
b = np.asarray(a, dtype=np.float64, order='C')
For Python 2*:
print a, type(a), type(a[0])
print b, type(b), type(b[0])
resulting in:
['1.1', '2.2', '3.2'] <type 'list'> <type 'str'>
[1.1 2.2 3.2] <type 'numpy.ndarray'> <type 'num...
Efficient way to apply multiple filters to pandas DataFrame or Series
...
e can also select rows based on values of a column that are not in a list or any iterable. We will create boolean variable just like before, but now we will negate the boolean variable by placing ~ in the front.
For example
list = [1, 0]
df[df.c...
常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...间等）（ls -l 等同于 ll 命令）
[root@KEDACOM ~]# ls -l
total 64
-rw-r--r-- 1 root root 0 Jun 29 17:50 NRU_CMU_DISK_SIZE_NOTIFY2008
-rw-r--r-- 1 root root 933 Jan 10 2002 anaconda-ks.cfg 文件
drw-r--r-- 1 root root 49431 Jan 10 2002 install 目录
-r...
What does “#define _GNU_SOURCE” imply?
Today I had to use the basename() function, and the man 3 basename ( here ) gave me some strange message:
4 Answers
...
Is “double hashing” a password less secure than just hashing it once?
...ions, but the idea is the same. Bcrypt also goes a step beyond most PBKDF2-based solutions by using the derived key to encrypt a well-known plain text. The resulting cipher text is stored as the "hash," along with some meta-data. However, nothing stops you from doing the same thing with PBKDF2.
Her...
Is there a Wikipedia API?
...
JWPL - Java-based Wikipedia Library -- An application programming interface for Wikipedia
http://code.google.com/p/jwpl/
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