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(Mac) -bash: __git_ps1: command not found
...rompt will change to "os ". To change "os" to something else, modify "os" string in export PS1 line.
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MySQL ERROR 1045 (28000): Access denied for user 'bill'@'localhost' (using password: YES)
...s as to why 'bill'@'localhost' matches ''@'localhost' like I was, an empty string effectively acts a wild card in MySQL's authentication algorithm.
– Dean Or
Aug 6 '13 at 4:14
2
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How to insert element into arrays at specific position?
... @roelleor But be careful: "If the input arrays have the same string keys, then the later value for that key will overwrite the previous one. If, however, the arrays contain numeric keys, the later value will not overwrite the original value, but will be appended." - array_merge
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ZeroMQ实例-使用ZMQ(ZeroMQ)进行局域网内网络通信 - C/C++ - 清泛网 - 专注C/C++及内核技术
...q的头文件
#include <zmq.h>
#include "stdio.h"
int main(int argc, char * argv[])
{
void * pCtx = NULL;
void * pSock = NULL;
const char * pAddr = "tcp://*:7766";
//创建context，zmq的socket 需要在context上进行创建
if((pCtx = zmq_ctx_new()) == NULL)
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Unsigned keyword in C++
...ng -> signed long
signed long
unsigned long
Be careful of char:
char (is signed or unsigned depending on the implmentation)
signed char
unsigned char
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IntelliJ inspection gives “Cannot resolve symbol” but still compiles code
...ehow didn't clear out the old .iml files under .idea/modules. Delete those extra .iml file and rebuild the project fixed the issue.
– Chen
Dec 14 '18 at 16:10
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jQuery post() with serialize and extra data
...to add additional params to the array,
call $.param(arr) to get serialized string, which could be used as jquery ajax's data param.
Example code:
var paramArr = $("#loginForm").serializeArray();
paramArr.push( {name:'size', value:7} );
$.post("rest/account/login", $.param(paramArr), function(resu...
How to implement a queue with three stacks?
... stacks, but using lazy evaluation which in practice corresponds to having extra internal data structures, so it does not constitute a solution
People near Sedgewick have confirmed they are not aware of a 3-stack solution within all the constraints of the original question
DETAILS
There are two i...
How to get first character of string?
I have a string, and I need to get its first character.
16 Answers
16
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efficient circular buffer?
... return(self._data[key])
def __repr__(self):
"""Return string representation"""
return self._data.__repr__() + ' (' + str(len(self._data))+' items)'
[Edited]: Added optional data parameter to allow initialization from existing lists, e.g.:
circularlist(4, [1, 2, 3, 4, ...