Apache pystring_fromstring:assertion ' str!= ((void *) 0) ' failed. Error handling

I recently encountered a strange problem, when I moved the Django project to another server, I reported the following error: [Wed Oct 08 15:31:04 2014] [ERROR] [Client] Premature end of script headers:wsgi.py, Referer:: Objects/

HTTP protocol---Common request fields and HTTP response status codes and response headers in HTTP requests

Common request header fields for HTTP requestsAccept: For high-speed servers, client-supported data typesAccept-charset: Used to tell the server that the encoding format used by the clientAccept-encoding: Used to tell the server that the data compres

The system () function uses __ function

one, System () Understanding Function: the system () function calls "/bin/sh-c command" to execute a specific command, blocking the current process until the command command has finished executing Prototype: int system (const char *command); return

Static global variables and ordinary global variables

Memory allocation of a program The memory consumed by a program compiled by C + + is divided into the following sections: 1, stack area (stack)-by the compiler automatically assigned to release, store the function of the parameter values, local varia

Dedicated to creating the most detailed requests use (not regularly supplemented)

Python 2.7IDE Pycharm 5.0.3Requests 2.10 It's time to meditate and have a good look at requests. Installation Method I only say here under pycharm+anaconda2 How to add requests package, as for how to install Anaconda2 under Pycharm, see @zhusleep

NHibernate Learning

Immediately on the blog to continue to learn PS: A lot of code I do not repeat, on the basis of the post on the start to learn NHibernate ~ ~) The code is summed up in Word as usual, and this is directly copy,copy Establish IRepository Interface (not

Discussion on design mode and upgrade method of intelligent contract in Ethernet Square

discussion on design mode and upgrade method of intelligent contract in Ethernet square Author: Fisco-dev Https://github.com/FISCO-BCOS/Wiki on the design mode and upgrade method of intelligent contract in Ethernet Square 1. Best Practice 2. Practic

Everyone claims to be someone else. The historical change of--http agreement useragent

Google Chrome has made everyone hot, and only professional users will notice the "mozilla/5.0 Windows" that are issued when Chrome accesses the Web page. U Windows NT 5.1; En-US) applewebkit/525.13 (khtml, like Gecko) chrome/ safari/525.13

SMTP command line

SMTP command line 2008/08/24 10:45 Define the process of the SMTP protocol, and write a mail-sending program accordingly.1. SMTPSMTP (Simple Mail Transfer Protocol): A transport protocol used by e-mail messages to transfer from a client

Bit currency source code Analysis: Versionbits Module parsing

BIP9 allows the deployment of multiple backward-compatible soft forks, which are voted on during a target cycle through absenteeism, and can be successfully enabled if the activation threshold Nrulechangeactivationthreshold is reached. On the impleme

The principle of block chain and Golang implementation example

What is a block chain Block chain has much fire, I do not have to introduce, you can jump through the search engine here, it proves that you are the fan of the block chain. Since come in, will not let you white, no BB, directly on dry goods. (prolog

Model Detection Tool Summary __ Model detection

Source of Self Blog http://www.yingzinanfei.com/2017/02/01/moxingjiancegongjuhuizong/ Model Detection Tool for formal specification language The SMV (Symbolic model Verifier) symbol Model Detection Tool SMV is used to detect whether a finite state sy

Block chain Hyperledger fabric environment to build CENTOS7 Docker environment

Operating Environment CENTOS7 64-bit 1. CentOS Docker Installation Yum-y Install Docker-io 2. Start Docker Service Start: Service Docker start Boot from: Chkconfig Docker on View Docker versions: Docker version 3. Installation container compose: C

Don't be intimidated by factorial to calculate the factorial

Factorial is a very interesting function, the general solution has these: Package com.threetop.www; Methods for solving factorial public class Jiechen {//Method one: Recursive solution public static int FAC (int n) {int sum; if (n==0| | N==1)

Maximum minus the number of sub arrays with a minimum value less than or equal to NUM __ maximum minus a child array with a minimum value of less than or equal to num

Import java.util.LinkedList; Maximum minus number of sub arrays with minimum value less than or equal to num public class getallsubarray{//Get the number of sub arrays public static int getnum (Int[]arr,int num) {if (arr==null| | arr.length=

The principle of tolerance and repulsion principle __

the principle of tolerance--the idea is very important I had to go to the hospital to check my body yesterday because I had not been kind to my body the other day (︶^︶), results The doctor said I was a mental stress caused, this let me very Meng for

Beetlsql Framework Learning (I.)--initial knowledge of Beetlsql, features, use of built-in SQL, Pojo code generation, etc.

Tags: etag parameter IDE location OLE Manager no development efficiency ACKLearning Beetlsql Summary (1)A Beetlsql Features:1. Development efficiency:(1) Without annotations, can automatically use a large number of built-in SQL, quickly complete the

Cannot connect to database because the database client

Tags: 64-bit method new ISS client Ade App CTE chartProblem Description:The following issues occur with ArcGIS server10.1 ArcGIS Sde10Cannot connect to database because the database client software failed to load. Be sure theDatabase client software

Problem uva12657-boxes in a line (array analogue doubly linked list)

Tags: linked list ACM comm COM problem turn equal NPU descProblem Uva12657-boxes in a lineaccept:725 submit:9255time limit:1000 mSec problem DescriptionYou had n boxes in a line on the table numbered 1...N from left to right. Your task is to

Docker Toolbox Mounts host directory to container for proper operation under window home

Tags: setting tar c-disk window syntax error image engine link dailySince I am windows Home and not the Pro version, I can only use Docker Toolbox, in fact, the Docker for window has better support and the Gui,home version of Docker is also very

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