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Differences between numpy.random and random.random in Python
.... I inspired myself in other people's code so I ended up using the numpy.random module for some things (for example for creating an array of random numbers taken from a binomial distribution) and in other places I use the module random.random .
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How to flatten an ExpandoObject returned via JsonResult in asp.net mvc?
I really like the ExpandoObject while compiling a server-side dynamic object at runtime, but I am having trouble flattening this thing out during JSON serialization. First, I instantiate the object:
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Drop columns whose name contains a specific string from pandas DataFrame
I have a pandas dataframe with the following column names:
10 Answers
10
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Find duplicate lines in a file and count how many time each line was duplicated?
...at should do the trick in O(n) * avg_line_len. Does anyone know such a commandline tool?
– Droggl
Nov 20 '13 at 17:27
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How to break out from a ruby block?
...fers control out of the block, out of the iterator that invoked the block, and to the first expression following the invocation of the iterator:
f.each do |line| # Iterate over the lines in file f
break if line == "quit\n" # If this break statement is executed...
puts eval(line)
en...
InputStream from a URL
...").openStream();
// ...
See also:
Using java.net.URLConnection to fire and handle HTTP requests
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically
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You need to verify the permissions of the authorized_keys file and the folder / parent folders in which it is located.
chmod 700 ~/.ssh
chmod 600 ~/.ssh/authorized_keys
For more information see this page.
You may also need to change/verify the permissions of your home directory to re...
Difference between sh and bash
When writing shell programs, we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
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C++及Windows异常处理(try，catch; __try,__finally, __except) - C/C++ - ...
...期”机制替他记住了 :O) ] 下面是一个例子：
class File_handle {
FILE* p;
public:
File_handle(const char* n, const char* a)
{ p = fopen(n,a); if (p==0) throw Open_error(errno); }
File_handle(FILE* pp)
{ p = pp; if (p==0) thro...
decompiling DEX into Java sourcecode
How can one decompile Android DEX (VM bytecode) files into corresponding Java sourcecode?
17 Answers
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