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NoClassDefFoundError com.apache.hadoop.fs.FSDataInputStream when execute spark-shell

I've downloaded the prebuild version of spark 1.4.0 without hadoop (with user-provided Haddop). ... -com-apache-hadoop-fs-fsdatainputstream-when-execute-spark-s...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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229 views

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php - How to display Wordpress search results?

I've spent a lot of time figuring out why my search is not working in my custom made template. So ... //stackoverflow.com/questions/14802498/how-to-display-wordpress-search-results...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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374 views

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cmd - batch script - run command on each file in directory

I need to convert some xls files into xlsx files. I can successfully convert one xls file into xlsx by ... questions/14237548/batch-script-run-command-on-each-file-in-directory...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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81 views

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How update vim to 8.0 version in OSX?

The current vim i'm using is 7.3 version. VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Jun 14 2016 16: ... stackoverflow.com/questions/39861793/how-update-vim-to-8-0-version-in-osx...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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204 views

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c# - Why have empty get set properties instead of using a public member variable?

(This question already has answers here): question from:https://stackoverflow.com/questions/1876197/why-have-empty-get-set-properties-instead-of-using-a-public-member-variable...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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344 views

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css - What is correct media query for IPad Pro?

I have these two but they are not working. I'm simulating in Chrome /* Landscape*/ @media only screen and ( ... .com/questions/41978487/what-is-correct-media-query-for-ipad-pro...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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337 views

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Ruby: how to tell if character is upper/lowercase

I'm ashamed to ask this, because it seems like it ought to be obvious, but how does one tell whether a ... com/questions/12713251/ruby-how-to-tell-if-character-is-upper-lowercase...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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120 views

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c# - How to implement "Access-Control-Allow-Origin" header in asp.net

Is it possible to implement "Access-Control-Allow-Origin" header in asp.net question from:https://stackoverflow.com/ ... -to-implement-access-control-allow-origin-header-in-asp-net...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Using @Version in spring-data project

I've been working on a RESTful webservice with spring-data. A few days ago a special spring-data jpa ... /stackoverflow.com/questions/10648515/using-version-in-spring-data-project...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.7k views

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reference - Git : fatal: Ambiguous object name: 'origin/release_2.6'

I am getting this error when trying to create a remote tracking branch git co -b release_2.6 origin/release_2. ... /3782893/git-fatal-ambiguous-object-name-origin-release-2-6...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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261 views

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database - SQL best practice to deal with default sort order

A lot of SQL code I've read, it seems like the developer assumes that the default sort order always holds. ... /questions/1793147/sql-best-practice-to-deal-with-default-sort-order...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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866 views

1 answer

directory - Windows and renaming folders, the 'con' issue

(Closed.) This question is off-topic. It is not currently accepting answers. question from:https://stackoverflow.com/questions/448438/windows-and-renaming-folders-the-con-issue...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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86 views

1 answer

javascript - TypeError: undefined is not a constructor

I'm very new to Angular and I'm trying to figure much of this out still. I'm writing some tests ... ://stackoverflow.com/questions/38928987/typeerror-undefined-is-not-a-constructor...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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447 views

1 answer

jsf - Facelets repeat Tag Index

Does anyone know a way to get the index of the element in a ui:repeat facelets tag? <ui:repeat id=" ... from:https://stackoverflow.com/questions/5562214/facelets-repeat-tag-index...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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357 views

1 answer

bash - postgresql: .pgpass not working

I have created a .pgpass file in my home directory which looks like this localhost:5432:somedb:someuser: ... ://stackoverflow.com/questions/16786011/postgresql-pgpass-not-working...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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441 views

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debugging - What is between ESP and EBP?

Right, I'm sure this is implicitly answered many times, but I seem not to be able to quite get to it. ... :https://stackoverflow.com/questions/15020621/what-is-between-esp-and-ebp...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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244 views

1 answer

c# - How to make LINQ's Max-function return the default value if the sequence is empty?

I have this code: List<int> myList = new List<int>(); var max = myList.Max(); Console.Write(max); I ... -make-linqs-max-function-return-the-default-value-if-the-sequence-is-empt...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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461 views

1 answer

zsh: update prompt with current time when a command is started

I have a zsh prompt I rather like: it evaluates the current time in precmd and displays that on the right side ... /zsh-update-prompt-with-current-time-when-a-command-is-started...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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102 views

1 answer

How do methods use hash arguments in Ruby?

I saw hash arguments used in some library methods as I've been learning. E.g., list.search(:titles, genre: ... .com/questions/16576477/how-do-methods-use-hash-arguments-in-ruby...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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95 views

1 answer

How to concatenate characters in java?

How do you concatenate characters in java? Concatenating strings would only require a + between the strings, but ... .com/questions/328249/how-to-concatenate-characters-in-java...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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252 views

1 answer

ruby on rails - Rspec: testing assignment of instance variable

Using Rspec with Factory Girl. Trying to check out what data is being assigned in my controller (and ... .com/questions/4720135/rspec-testing-assignment-of-instance-variable...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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227 views

1 answer

html - Detect whether HTML5 History supported or not

How can I check if the browser you are using supports the HTML5 history api? As you can see here ... .com/questions/4708358/detect-whether-html5-history-supported-or-not...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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280 views

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objective c - Moving Onto The Next UITextField When 'Next' Is Tapped

I have an iPad application which has a sign up form within it. The form is very basic and contains only ... /questions/9226263/moving-onto-the-next-uitextfield-when-next-is-tapped...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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357 views

1 answer

wpf - How to bind multiple selection of listview to viewmodel?

I am implementing a listview, and a button next to it. I have to be able that when i select multiple ... /questions/5741161/how-to-bind-multiple-selection-of-listview-to-viewmodel...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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77 views

1 answer

How to connect to a MySQL Data Source in Visual Studio

I use the MySQL Connector/Net to connect to my database by referencing the assembly (MySql.Data.dll) and passing in a ... /how-to-connect-to-a-mysql-data-source-in-visual-studio...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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295 views

1 answer

linux - Delete all SYSTEM V shared memory and semaphores on UNIX-like systems

How can I delete all not used semaphores and shared memory with a single command on a UNIX-like system, e.g. ... -all-system-v-shared-memory-and-semaphores-on-unix-like-systems...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

1 answer

c# - ASP.NET Core Authorize attribute not working with JWT

I want to implement JWT-based security in ASP.Net Core. All I want it to do, for now, is to read ... .com/questions/40646312/asp-net-core-authorize-attribute-not-working-with-jwt...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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346 views

1 answer

android - Save enum to SharedPreference

I was wondering, what is the common method being used to save Enum to SharedPrefereces? Currently, I' ... https://stackoverflow.com/questions/14750743/save-enum-to-sharedpreference...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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