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Install Octave Package Manually

由 ￡可爱￡侵袭症＋ 提交于 2019-12-10 12:57:45
问题 I want to install the package dataframe of Octave on one of my servers, which does not have internet access. I used my laptop to download dataframe-1.1.0.tar.gz . I wonder how I can install it on my server manually. 回答1: In the README.html of Octave 4.0.0 folder you can find the following passage: Included Octave Forge Packages A number of Octave-Forge packages have been included with Octave, however they must be installed in order to use them. To install: • Start Octave and then open the

How can pip be installed locally for use with Python 2.7?

由 点点圈 提交于 2019-12-10 12:07:53
问题 I want to install pip locally together with a local install of Python 2.7. I am using an EPEL6 system on which I am not root. I have easy_install available on the system by default (no pip or virtualenv to begin with). I have managed to install pip and Python 2.7, but I don't know how to proceed to get pip working with the Python 2.7 install (as opposed to Python 2.6). cd mkdir local_test cd local_test wget https://www.python.org/ftp/python/2.6/Python-2.6.tgz tar -xvf Python-2.6.tgz cd Python

Load web-application into a webview using local paths for images stored in the application

由 早过忘川 提交于 2019-12-10 11:24:32
问题 I want to be able to create an app that uses WebView to request a url from an external web application which returns html and css that references images that are assets within the actual application. The idea is basically to speed up everything so that images never have to be downloaded. Here is a simplified example: Server HTML: <html> <head> <style> #myImage { background-image: url("file:///android_asset/myImage.jpg"; width: 50px; height: 50px;} </style> </head> <body> <div id="myImage"><

Differences between local and global variables

由 空扰寡人 提交于 2019-12-09 21:59:30
问题 I am looking for some guidance on the difference between a global scope variable and a local scope variable. Thanks. 回答1: Global variable - declared at the start of the program, their global scope means they can be used in any procedure or subroutine in the program. Local variable - declared within subroutines or programming blocks, their local scope means they can only be used within the subroutine or program block they were declared in. Resource: Fundamentals of Programming: Global and

Why does pip fail when installing local egg repository?

由 喜欢而已 提交于 2019-12-09 08:42:04
问题 I am working on Windows 7.I have created a python egg using distutils. Now I try to install this egg in a virtual environment using pip 1.0.2 using the following command: Then I create a virtual environment myVirtualEnv I activate it using activate.bat then execute the following command: pip install path_to_my_local_folder#eggName This creates a copy of my egg in my myVirtualEnv\build directory but I have the following error: IOError: [Errno 2] No such file or directory: path_of_my_virtualEnv

Proposal for local data declarations / instances

由 戏子无情 提交于 2019-12-09 04:35:14
问题 I'm curious, and have been unable to find a proposal for something like this in Haskell. Consider if sort had been written but not sortBy . sortBy :: forall a. (a -> a -> Ordering) -> [a] -> [a] sortBy f = map getX . sort . map X where newtype X = X { getX :: a } instance Ord X where compare (X a) (X b) = f a b Has anyone seen this proposal? 回答1: Apparently, local instances have been discussed briefly at Haskell Prime mailing list: http://web.archiveorange.com/archive/v/eKcS7T2qBpy7czBE2Jei,

Load local file and get Unknown chromium error: -6

由 耗尽温柔 提交于 2019-12-08 22:10:23
问题 I was trying to load a local file from the sdcard into a WebView. But since Android 4.1 it isn't working anymore, I always get the message: File not found and in LogCat Unknown chromium error: -6. 回答1: I figured out the Problem and I just needed to add one more slash. Example: We need now: loadURL("file:///.../file.file"); instead of: loadURL("file://.../file.file"); Just add one more slash and it works. I hope this is helpful for all with the same issue under Android 4.1. 来源： https:/

access variables from other function c++

由 百般思念 提交于 2019-12-08 12:18:25
问题 I must access variables declared inside other function. Assume f1() void f1() { double a; int b; //some operations } and f2() void f2() { //some operations //access a and b from f1() } Is it possilbe in c++? How can that be done? Passing reference to function as shown here is not suitable answer for my case because this corrupts the order of calling functions. Declaring global variables also denied. 回答1: In C++ there is no way to access locally declared function variables outside of that

Android local storage

由 女生的网名这么多〃 提交于 2019-12-08 09:03:28
问题 I have a problem with a webview which may access to the localStorage by app. My index.html informs that local storage is'nt supported by my browser (ie. the webview). If you have any suggestion.. Please take a look at my code : Activity.java : package com.exercise.AndroidHTML; import android.app.Activity; import android.os.Bundle; import android.webkit.WebSettings; import android.webkit.WebView; public class AndroidHTMLActivity extends Activity { WebView myBrowser; ; /** Called when the

OpenGL + SDL rotation around local axis

由 跟風遠走 提交于 2019-12-08 06:37:45
问题 I've been working on a semi flight simulator. What I am trying to do is use a pitch roll and yaw to rotate an object. I have already looked online a lot, and although they explain what the problem is I have no idea how to implement the solution. So for example I do: glRotatef(yaw,0,1,0); glRotatef(pitch,1,0,0); The yaw doesn't act properly, the pitch will work fine. And from what I have been reading it seems that the objects local axis has been changed so I need to find the object's new local
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