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I'm quite new to rails, and trying to follow the railstutorial. Everything goes fine, except for my tests which can' ... and didn't find any ^^' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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scala - Forward References - why does this code compile?

Consider this snippet: object A { val b = c val c = "foo" } println( A.b ) // prints "null" As part ... to the (later) declaration of 'c'. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - How to initialize a structure with flexible array member

I have the following structure typedef struct _person { int age; char sex; char name[]; }person; I have done ... union specifiers - point #17?! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to use TabHost.OnTabChangeListener in android?

How to use TabHost.OnTabChangeListener in android? give me some example code... :( thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is there a VB.NET equivalent of C# out parameters?

Does VB.NET have a direct equivalent to C# out function parameters, where the variable passed into a function does not need to be initialised? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - JQuery data selector not updating with .data

Basically if I have a div loaded onto a page with a data-test attribute and change the value of it with jquery's ... <div class="result"></div> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Jquery: how to sleep or delay?

i want move up the object, delay 1000ms , then hide it, i get the code: $("#test").animate({"top":"-=80px"}, ... {"opacity":"0"},500); any idea? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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google app engine - AppEngine Error [ java.lang.NoClassDefFoundError: org/w3c/dom/ElementTraversal ]

i was looking to find a solution for this problem but seems difficult. I have appengine project working with a ... ... 44 more Thanks all See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ssms - Changing the CommandTimeout in SQL Management studio

How can I change the CommandTimeout in SQL Management Studio? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How does git handle folder permission?

I'm using git version 1.5.6.3, and it seems git doesn't notice a folder's mode changes #create a test ... How can I track folder mode changes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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int - How to take the nth digit of a number in python

I want to take the nth digit from an N digit number in python. For example: number = 9876543210 i = 4 number ... it to int for the calculation? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Maven exec:java goal on a multi-module project

I'm trying to run exec-maven-plugin's exec:java goal on a simple two-module project where one module depends ... , so should other goals/phases. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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android - Align top of image to top of TextView

I want to create a layout that aligns the top of an image to the top of a TextView like this: -------- ... to affect the text, not the drawable. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Excel Formula to SUMIF date falls in particular month

I have excel data in following format. Date Amount 03-Jan-13 430.00 25-Jan-13 96.00 10-Jan-13 440.00 28-Feb-13 72 ... + 96.00 + 440.00 = 966.00 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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groovy - How can I use the Jenkins Copy Artifacts Plugin from within the pipelines (jenkinsfile)?

I am trying to find an example of using the Jenkins Copy Artifacts Plugin from within Jenkins pipelines (workflows). ... code that is using it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c - What's a modern term for "array/pointer equivalence"?

Just about everyone reading this is probably familiar with these three key facts about C: When you mention the name ... this FAQ list entry.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c# - Application_Error in global.asax not catching errors in WebAPI

For a project I am working on, one of the things we're implementing is something that we have code for ... more easily debug our application? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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bioconductor - installation path not writable R, unable to update packages

I am trying to install Bioconductor into R, using the code on their website. When I type in the code ( ... so I can install bioconductor? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - How can I exclude some characters from a class?

Say I want to match a "word" character (w), but exclude "_", or match a whitespace character (s), but exclude "". How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ASP.net MVC4 WebApi route with file-name in it

I'm trying to get the following (and similar) urls to work in my ASP.net MVC4/WebApi project: http://127.0. ... URL to work, and map correctly? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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node.js - How to get room's clients list in socket.io 1.0

I can get room's clients list with this code in socket.io 0.9. io.sockets.clients(roomName) How can I do this in socket.io 1.0? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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linux - Is it OK to use the same input file as output of a piped command?

Consider something like: cat file | command > file Is this good practice? Could this overwrite the input file as the same ... t} && mv ${t} file See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ruby - Where is the Rails method that converts data from `datetime_select` into a DateTime object?

When I use <%= f.datetime_select :somedate %> in a form, it generates HTML like: <select id="some_date_1i" ... a solution to that other problem. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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html - Javascript, viewing [object HTMLInputElement]

I'm just started to learn HTML. Doing an alert() on one of my variables gives me this result [object ... where my input type is text? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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is there a mysql function to decode html entities?

i was wondering if there is a MYSQL function to decode text with html entities. I have seen some approaches ... to manage all the entities. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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290 views

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Django : Unable to import model from another App

I was hoping to seek some assistance on this problem I'm having. I'm still learning Django (and Python) and come ... 14 Jul 2015 13:21:14 +0100 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

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c# - How do I capture Keys.F1 regardless of the focused control on a form?

I used KeyDown event and some simple code like if (e.KeyCode == Keys.F1) to capture F1 is pressed on a ... there any cleaner way to do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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253 views

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Can we create multicolumn unique indexes on MS access databases?

We'd like to prevent record duplication in our MS access database using a multicolumn unique index. Because of how ... an index would be better. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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