ubuntu-14.04

问题 I am getting following error in Cqlsh. The copy command runs for a few seconds and then stops. Look forward to your help. Thanks, Connected to DRM at 127.0.0.1:9042. [cqlsh 5.0.1 | Cassandra 2.1.8 | CQL spec 3.2.0 | Native protocol v3] Use HELP for help. cqlsh> use myworld; cqlsh:myworld> copy citizens (id, first_name, last_name, house_no, street, city, country,ssn,phone,bank_name,account_no) from '/home/rashmi/Documents/MyData/Road/PeopleData-18-Jun-1.txt'; Processed 110000 rows; Write:

问题 I keep throwing this error but I have version 7.1.2 installed. Why can't I ./configure Here is my error message: checking whether to enable Xdebug support... yes, shared checking Check for supported PHP versions... configure: error: not supported. Need a PHP version >= 7.0.0 and < 7.3.0 (found 5.3.10-1ubuntu3.26) root@precise32:/var/www/xdebug# php -v PHP 7.1.2-3+deb.sury.org~precise+1 (cli) (built: Feb 22 2017 10:29:40) ( NTS ) Copyright (c) 1997-2017 The PHP Group Zend Engine v3.1.0,

问题 I use Lubuntu 14.04 as a guest OS (using VMplayer). I wanted to install python3.4.3. I downloaded the .tar.xz file from here: https://www.python.org/downloads/ I then extracted the file and followed the instructions in the README: ./configure make make test When I ran make test it returned this: 359 tests OK. 3 tests failed: test_urllib test_urllib2 test_urllib2net 3 tests altered the execution environment: test___all__ test_site test_warnings 25 tests skipped: test_bz2 test_curses test_dbm

问题 I am using ubuntu 14.04 I am running a jar file which should be collection a large amount of data for a few days. I am running the jar file thought this command and it works fine. java -jar xxx.jar However when i close the putty, the process stopped. Is there a way for a jar file to run even when i close the putty? 回答1: You can use nohup to run the jar(any process) in background. Use the following command in the putty session : nohup java -jar xxx.jar & 回答2: You need the nohup command. This

问题 I'm upgrading the php version to 7.0 in my docker image which is based on Ubuntu 14.04. I read some articles giving the commands to uninstall php5 while installing php7.0. Is this really necessary? What are the pros and cons? 回答1: add the new repository for PHP 7: apt-get install software-properties-common add-apt-repository ppa:ondrej/php remove PHP 5 from your system and install PHP 7 apt-get update && apt-get purge php5-fpm && apt-get --purge autoremove && apt-get install php7.0-fpm php7.0

问题 This question already has answers here : How to read terminal's input buffer immediately after keypress (2 answers) Closed 3 years ago . I have follow situation I have an program make an set of operations on a file continuously and I want, when a specific key is pressed, to stop and do another set of operations. For this I tryed use scanf of an character with fcntl(0, F_SETFL, O_NONBLOCK); and while(feof(stdin)) but it doesn't work as expected. I have searched and in some places someone says

问题 I am trying to use perlbrew to run a set of perl scripts. When I try installing dependencies for these perl scripts, they are installed into my system's perl version (5.18.X) and not the version I want to use (5.10.1). I have tried several suggestions from other threads on stackoverflow, but to no avail. Here's an example of what happens. I'll do the following: perlbrew use perl-5.10.1 perl -v (returns with perl-5.10.1) cpanm Parallel::ForkManager (returns Paralell::ForkManager is installed)

问题 I am a Python enthusiast who decided to get serious about creating some of my own reusable packages. Synopsis of my problem: Calling python test_dummy.py fails to import a package eforest . An ImportError is thrown. import eforest in the python interpreter and in the ipython interpreter both throw no exceptions. Calling run test_dummy.py within the ipython interpreter throws no exception. All cases are run inside of a virtualenv. virtualenv has nothing to do with my problem. I have posted a

问题 I had a Yii installation that was working fine up until today. I installed updates on my machine today after which this error was being thrown on all pages: PHP Fatal Error – yii\base\ErrorException Uncaught Error: Call to undefined function yii\web\mb_strlen() in /application/vendor/yiisoft/yii2/web/ErrorHandler.php:404 I ran composer update but the error persists. I am using yii 2.0.7 on PHP 7 on Ubuntu 14.04. How do I fix this? 回答1: The error is a bit of a red herring since mb_strlen() is

问题 I'm on an Ubuntu 14.04. I would have expected doing: sudo apt-get install python-numpy would've worked but it isn't the case... The way I tried to check is by doing locate blas and found nothing that seemed relevant. I would like a solution that doesn't involve me compiling from source. The ideal solution is something that uses the ubuntu repos. 回答1: In Ubuntu 14.04 and later, blas and lapack are installed as part of python-scipy and python3-scipy, so you need to install python-scipy. Open