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问题 The Oracle Version I am using is: BANNER Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi PL/SQL Release 10.2.0.4.0 - Production CORE 10.2.0.4.0 Production TNS for IBM/AIX RISC System/6000: Version 10.2.0.4.0 - Productio NLSRTL Version 10.2.0.4.0 - Production In a previous question, I've asked how to transform a clob into a table, see this: From XML to list of paths in Oracle PL/SQL environment The answer I received was great, and it works for XML not too big. But if I have a

问题 I am attempting to draw a line in a custom View . Here I've created a simple Path with just a single segment, created a PathShape from that, and finally stuck that into a ShapeDrawable with the intention of using that to draw on the Canvas inside onDraw() . However, this does not work. See my example, here. package com.example.test; import android.content.Context; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.Paint; import android.graphics.Path; import

问题 I am new to Android development. I tried to run LunarLander project (create new project based on sample) in this folder C:\Program Files\Android\android-sdk-windows\samples\android-9\LunarLander But I got this error: Failed to install LunarLander.apk on device 'emulator-5554': timeout But if I copied it out to C:\LunarLander, it runs fine. I guess there is something wrong with the path. How do I fix or troubleshoot this? 回答1: Don't use spaces in your directory names. If you have files that

问题 Here are four paths: p1=r'\foo\bar\foobar.txt' p2=r'\foo\bar\foo\foo\foobar.txt' p3=r'\foo\bar\foo\foo2\foobar.txt' p4=r'\foo2\bar\foo\foo\foobar.txt' The directories may or may not exist on a drive. What would be the most elegant way to create the directories in each path? I was thinking about using os.path.split() in a loop, and checking for a dir with os.path.exists , but I don't know it there's a better approach. 回答1: You are looking for os.makedirs() which does exactly what you need. The

问题 I would like to add Octave in my PATH environment variable. Is there a lineguide like the following? http://www.java.com/en/download/help/path.xml 回答1: Suppose you installed Octave in a folder myOctave , and the path to it is myPath which may be something like C:\Program Files\ . Then, you could launch the cmd of your windows, and type the following set PATH=%PATH%;myPath\myOctave\bin Here is a detailed example based on my own Octave path and directory. My Octave is installed here E:\Programs

问题 I cant find any code (neither C nor C++ Boost.Filsystem) on how to iterate ( parse ) the directories present in the PATH environment variable in preferrably in a platform-independent way. It is not so hard to write but I want to reuse standard modules if they are available. Links or suggestions anyone? 回答1: This is what I used before: const vector<string>& get_environment_PATH() { static vector<string> result; if( !result.empty() ) return result; #if _WIN32 const std::string PATH = convert_to

问题 I am trying to save a presentation as a macro-enabled show in PowerPoint, and I'm running into a problem when I do. This code that I'm using works great when I'm save as a macro-enabled presentation - but not as a macro-enabled show : Dim oPPTApp As PowerPoint.Application Dim oPPRFile As PowerPoint.Presentation Dim oPPTShape As PowerPoint.PlaceholderFormat Dim oPPTSlide As PowerPoint.Slide Set oPPTApp = CreateObject("PowerPoint.Application") oPPTApp.Visible = msoTrue 'opening an existing

问题 Python will by default be looking for modules from lib/python2.7/site-packages But I'm now trying to import packages from other directories on HPCC, which I have to rely on, because I've no root access, it'll be difficult to install myself. But my question is: how to import modules from other directories? I've tried: export PYTHONPATH="/path/to/import/modules:$PYTHONPATH" But it's not working. What should I do? Thanks ========================================= My python to use is 2.7.9 ,so I

问题 After getting rid of this question, I get one another. I have a path method specified in routes resources :tree_nurseries do ... . And shows correctly when I do rake routes which gives new_tree_nursery then normally new_tree_nursery_path will be available. But, when I call it with a link_to method, it remains undefiend.... ( new_tree_nursery_path ) What did I missed again? this is the code line : .actions = link_to t('.new', :default => t("helpers.links.new")), new_tree_nursery_path, :class =

问题 What I want is to read a file from the windows file system or a server so I can display the contents on the website and we are not allowed to use a database or PHP only Javascript. What I currently have is beneath this and it works if I get the file from a html file upload box the only thing I need is how do I get a file in the javascript without inserting it manually but to load on pageload. The rest of the code works if I insert the file manually I only need to get a file and insert it into