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可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I have a lookup rdd of size 6000, lookup_rdd: RDD[String] a1 a2 a3 a4 a5 ..... and another rdd, data_rdd: RDD[(String, Iterable[(String, Int)])]: (id,(item,count)) which has unique ids, (id1,List((a1,2), (a3,4))) (id2,List((a2,1), (a4,2), (a1,1))) (id3,List((a5,1))) FOREACH element in lookup_rdd I want to check whether each id has that element or not, if it is there I put the count and if it's not I put 0, and store in a file. What is the efficient way to achieve this. Is hashing possible? eg. output I want is: id1,2,0,4,0,0 id2,1,1,0,2,0

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: How to pass a parameter through another bean's object inside a method called from <f:event listener="..."> ? I am trying to pass a parameter generated by another bean inside a showData() method that is to be called on using <f:event listener="#{myTransformerBeans.showData}"> The parameter would be #{myDataBean.myId} . 回答1: you could also try <f:event listener="#{myTransformerBeans.showData(myDataBean.myId)}"> 文章来源: How to pass a parameter through another bean's object inside a method called from

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: For a newbie exercise , I am trying to find the meta tag in a html file and extract the generator so I did like this : Version = soup.find("meta", {"name":"generator"})['content'] and since I had this error : TypeError: 'NoneType' object has no attribute '__getitem__' I was thinking that working with exception would correct it, so I wrote : try: Version = soup.find("meta", {"name":"generator"})['content'] except NameError,TypeError: print "Not found" and what I got is the same error. What should I do then ? 回答1: The soup.find() method did

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: Here' the output: rake aborted ! uninitialized constant Rake :: DSL / Users / marclipovsky / Sites / sat - 7 / app / Rakefile : 6 / System / Library / Frameworks / Ruby . framework / Versions / 1.8 / usr / lib / ruby / 1.8 / rake . rb : 2383 : in `load' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rake.rb:2383:in ` raw_load_rakefile ' /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/1.8/rake.rb:2017:in `load_rakefile' / System / Library / Frameworks / Ruby . framework / Versions / 1.8 /

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: If I get 3 lists List1 = [ "A" , "B" , "C" ] List2 = [ 1 , 2 , 3 ] List3 = [ 4 , 5 , 6 ] How can I assign and sum List2 & List3 to List1 so that A = 5 B = 7 c = 9 回答1: Use a dictionary comprehension: >>> { key : a + b for key , a , b in zip ( List1 , List2 , List3 )} { 'A' : 5 , 'C' : 9 , 'B' : 7 } I must admit your question was confusing. Maybe you are looking for this instead? >>> List1 = [ a + b for a , b in zip ( List2 , List3 )] >>> List1 [ 5 , 7 , 9 ] 回答2: You can zip List2 and List3 to get [( 1 , 4 ), ( 2 , 5 ), ( 3 , 6 )]

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I hope to make use of existing functionalities in other apps on iOS in my own app. To my knowledge it should be able to be done with URL custom schemes: https://developer.apple.com/library/content/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/Inter-AppCommunication/Inter-AppCommunication.html Right now in my TryingService gluon application that are acting as a listener, I am using RuntimeArgsService to listen for LAUNCH_URL_KEY . And to my Default-Info.plist file of this application I have added URL Identifier : com

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I would like to use $id to echo the id entered in other functions. Here is an example function using id: function nl_register_ga_code() { // Validation callback register_setting( 'nl_theme_options', 'nl_theme_options', 'nl_validate_settings' ); // Add setting to section add_settings_section( 'nl_footer_section', 'Footer', 'nl_display_footer_section', 'nl_theme_options.php' ); // Create textarea field $field_args = array( 'type' => 'textarea', 'id' => 'nl_ga_code', 'name' => 'nl_ga_code', 'desc' => 'Paste Google Analytics code.', 'std' => '',

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I would like to know if there is any safe way to copy the TList elements into any other TList to a specific position and with a specific length. Should I just assign the elements of the list1 to list2 or is there any functionality out there I'm not aware of that handles that more accurate? Thanks for taking your time. 回答1: If your intention is to REPLACE items rather than to insert them at a given position, then the answer is that there is no direct mechanism and iterative assignment is the approach to use. for i := 1 to maxItems do dest[

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: I was reading this post and the suggestions given to interrupt one thread from another is " " " Here are a couple of approaches that should work, if implemented correctly. You could have both threads regularly check some common flag variable (e.g. call it stopNow), and arrange that both threads set it when they finish. (The flag variable needs to be volatile ... or properly synchronized.) You could have both threads regularly call the Thread.isInterrupted() method to see if it has been interrupted. Then each thread needs to call

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I want to write class similar to the std::array from C++11. To do this I am declaring a table of type char inside this class and later I would like to call placement new on this table After that I would like to use table as if it was regular table of type T and here comes the trouble. Generally variable like: char tab[size]; Is of type char(&)[size] and if that's so I would like to use reinterpret_cast on this table to cast it to table of type, that I am in fact using, so more or less I would like my code to look like this: char tab[sizeof(T