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How to completely remove node.js from Windows

I uninstalled my previous version of node.js (0.8.11) and downloaded the latest, 0.10.24 from the node.js ... for Windows. I'm running Windows 7 64-bit. Question&Answers:os...

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

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124 views

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Usage of the backtick character (`) in JavaScript

In JavaScript, a backtick&dagger; seems to work the same as a single quote. For instance, I can use a backtick to ... backtick" are "back-tick" and "back tick". Question&Answers:os...

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

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How to check if two arrays are equal with JavaScript?

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

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indexing - With MySQL, how can I generate a column containing the record index in a table?

Is there any way I can get the actual row number from a query? I want to be able to order a table called ... 't seem to return the row position. Any ideas? Question&Answers:os...

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

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r - How to select the rows with maximum values in each group with dplyr?

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

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How to use <h:form> in JSF page? Single form? Multiple forms? Nested forms?

I am using the Facelet Templating Technology to layout my page in a JSF 2 app that I am working on. In my ... where I need multiple h:form in a page. Thanks Question&Answers:os...

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

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How do you run a Python script as a service in Windows?

I am sketching the architecture for a set of programs that share various interrelated objects stored in a database. I ... a start/stop script in /etc/init.d? Question&Answers:os...

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

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python - Permanently add a directory to PYTHONPATH?

Whenever I use sys.path.append, the new directory will be added. However, once I close python, the list ... do I permanently add a directory to PYTHONPATH? Question&Answers:os...

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

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How do I clone a generic list in C#?

I have a generic list of objects in C#, and wish to clone the list. The items within the list are cloneable, but ... .Clone(). Is there an easy way around this? Question&Answers:os...

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

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c++ - Finding current executable's path without /proc/self/exe

It seems to me that Linux has it easy with /proc/self/exe. But I'd like to know if there is a ... $PATH and whatnot, risking finding bugs in edge cases? Question&Answers:os...

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

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304 views

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c# - How to remove all event handlers from an event

To create a new event handler on a control you can do this c.Click += new EventHandler(mainFormButton_Click); ... you remove all event handlers from an event? Question&Answers:os...

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

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How do Python's any and all functions work?

I'm trying to understand how the any() and all() Python built-in functions work. I'm trying to compare the ... . Why is it evaluating to False for all tuples? Question&Answers:os...

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

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303 views

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Can I escape HTML special chars in JavaScript?

I want to display text to HTML by a JavaScript function. How can I escape HTML special characters in JavaScript? Is there an API? Question&Answers:os...

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

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overriding - How to override equals method in Java

I am trying to override equals method in Java. I have a class People which basically has 2 data fields name ... operator as suggested and my problem is solved. Question&Answers:os...

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

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java - "Expected BEGIN_OBJECT but was STRING at line 1 column 1"

I have this method: public static Object parseStringToObject(String json) { String Object = json; Gson gson = new ... but was STRING at line 1 column 1 Question&Answers:os...

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

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173 views

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Why does the expression 0 < 0 == 0 return False in Python?

Looking into Queue.py in Python 2.6, I found this construct that I found a bit strange: def full(self): """Return True if the ... = 0 True >>> 0 < (0 == 0) True Question&Answers:os...

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

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52 views

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javascript - Chained promises not passing on rejection

I am have a problem understanding why rejections are not passed on through a promise chain and I am hoping someone ... all though and thank you for your help. Question&Answers:os...

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

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355 views

1 answer

css - Align 3 unequal blocks left, center and right

I'm trying to align a top menu which consists of 3 blocks of content. What I'm trying to achieve is this: block 1: ... class="item">right</div> </div> </div> Question&Answers:os...

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

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168 views

1 answer

r - Side-by-side plots with ggplot2

I would like to place two plots side by side using the ggplot2 package, i.e. do the equivalent of par(mfrow=c(1 ... data=mpg, facets = . ~ year) + geom_smooth() Question&Answers:os...

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

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68 views

1 answer

How to set timer in android?

Can someone give a simple example of updating a textfield every second or so? I want to make a flying ball and need ... a timer. I don't get anything from here. Question&Answers:os...

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

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297 views

1 answer

mongodb - Get names of all keys in the collection

I'd like to get the names of all the keys in a MongoDB collection. For example, from this: db.things.insert( { ... like to get the unique keys: type, egg, hello Question&Answers:os...

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

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186 views

1 answer

.net - What is a method group in C#?

I have often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like: var list = ... . Google isn't much of a help nor MSDN. Question&Answers:os...

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

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115 views

1 answer

How does HTTP file upload work?

When I submit a simple form like this with a file attached: <form enctype="multipart/form-data" action="http: ... workings of the HTTP when sending a file. Question&Answers:os...

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

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107 views

1 answer

Simple Android RecyclerView example

I've made a list of items a few times using Android's RecyclerView, but it is a rather complicated process. ... answer below for my future reference and yours. Question&Answers:os...

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

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82 views

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java - How can I use different certificates on specific connections?

A module I'm adding to our large Java application has to converse with another company's SSL-secured website ... configuration settings, and little-to-no code? Question&Answers:os...

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

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931 views

1 answer

javascript - Trying to use fetch and pass in mode: no-cors

I can hit this endpoint, http://catfacts-api.appspot.com/api/facts?number=99 via Postman and it returns JSON ... do is disable CORS.. What am I missing? Question&Answers:os...

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

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188 views

1 answer

Custom CSS Scrollbar for Firefox

I want to customize a scrollbar with CSS. I use this WebKit CSS code, which works well for Safari and ... Would be grateful for somebody's expert advice! Question&Answers:os...

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

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91 views

1 answer

Asynchronous shell exec in PHP

I've got a PHP script that needs to invoke a shell script but doesn't care at all about the output. The shell ... it's not clear to me how.) Any suggestions? Question&Answers:os...

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

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