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How can I profile Python code line-by-line?
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I believe that's what Robert Kern's line_profiler is intended for. From the link:
File: pyston...
How do I create a list of random numbers without duplicates?
I tried using random.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers?
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javascript: recursive anonymous function?
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answered Oct 7 '10 at 16:46
PointyPointy
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C++实现一款简单完整的聊天室服务器+客户端 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#include <pthread.h>
#define MESSAGE_COUNT 16
#define MESSAGE_LENGTH 2048
class MessageBuffer{
private:
pthread_mutex_t mutex;//访问缓冲的互斥量
pthread_cond_t condition;//访问缓冲区的条件变量
//消息缓冲区，循环队列
char buf[MESSAGE_COUNT][MESSAGE_LENGT...
MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
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You probably have an anonymous user ''@'localhost' or ''@'127.0.0.1'.
As per the manual:
When multiple matches are possible, the server must determine which of
them to use. It resolves this issue as follows: (...)
When a client attempts to connect, the server looks throug...
iOS UIImagePickerController result image orientation after upload
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20 Answers
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
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#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char** argv) {
struct foo f={0}...
Rename Pandas DataFrame Index
... but with df.rename() only the column name is renamed. Bug? I'm on version 0.12.0
9 Answers
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Shell equality operators (=, ==, -eq)
... guaranteed to work.
$ a=foo
$ [ "$a" = foo ]; echo "$?" # POSIX sh
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$ [ "$a" == foo ]; echo "$?" # bash specific
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$ [ "$a" -eq foo ]; echo "$?" # wrong
-bash: [: foo: integer expression expected
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(Side note: Quote those variable expansions! Do not leave out the double quotes ab...
Rails I18n validation deprecation warning
I just updated to rails 4.0.2 and I'm getting this warning:
5 Answers
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