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How to concatenate properties from multiple JavaScript objects

I am looking for the best way to "add" multiple JavaScript objects (associative arrays). For example, given: a = { "one" : 1, ... : 3, "four" : 4, "five" : 5 } Question&Answers:os...

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

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javascript - Fire jQuery event on div change

I have a div whose content may change in various ways: for instance its whole content may be reloaded via ... of this div has changed, however it happened? Question&Answers:os...

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

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How can I scale an image in a CSS sprite

In this article, http://css-tricks.com/css-sprites/, it talks about how can I crop off a smaller image from 1 ... make the icons next to Item1,2,3,4 smaller? Question&Answers:os...

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

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r - Coerce multiple columns to factors at once

I have a sample data frame like below: data <- data.frame(matrix(sample(1:40), 4, 10, dimnames = list(1:4, ... . Does anyone know of a better way to do it? Question&Answers:os...

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

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html - CSS-Only Scrollable Table with fixed headers

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

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Is there a Python equivalent of the C# null-coalescing operator?

In C# there's a null-coalescing operator (written as ??) that allows for easy (short) null checking during assignment: ... (where I don't need to repeat s)? Question&Answers:os...

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

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Eclipse CDT indexer does not know C++11 containers

I configured a C++11 project in Eclipse CDT to use gcc-4.7. It is not the default compiler on my system ... works fine, so why doesn't indexing, too? Question&Answers:os...

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

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javascript - Check if a string is a date value

What is an easy way to check if a value is a valid date, any known date format allowed. For example ... even possible? Because timestamps would also be allowed. Question&Answers:os...

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

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c# - Convert webpage to image from ASP.NET

I would like to create a function in C# that takes a specific webpage and coverts it to a JPG image from ... where to get started. Does anyone have examples? Question&Answers:os...

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

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iphone - CADisplayLink OpenGL rendering breaks UIScrollView behaviour

There are a few similar questions out there on SO (links at end), but none of them has allowed me to ... ES view freezes when UIScrollView is dragged on iPhone Question&Answers:os...

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

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algorithm - Finding a single number in a list

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

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python - Plotting a 2D heatmap with Matplotlib

Using Matplotlib, I want to plot a 2D heat map. My data is an n-by-n Numpy array, each with a value between 0 ... 's value in the array. How can I do this? Question&Answers:os...

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

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javascript - How do I programmatically force an onchange event on an input?

How do I programmatically force an onchange event on an input? I've tried something like this: var code = ... Neither does just updating the 'value' attribute. Question&Answers:os...

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

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cocoa touch - Is it possible to prevent an NSURLRequest from caching data or remove cached data following a request?

On iPhone, I perform a HTTP request using NSURLRequest for a chunk of data. Object allocation spikes and I assign ... but nothing seems to free up the memory! Question&Answers:os...

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

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excel - Simple Pivot Table to Count Unique Values

This seems like a simple Pivot Table to learn with. I would like to do a count of unique values for a particular ... but thought I'd give pivot table a try... Question&Answers:os...

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

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javascript - How to measure a time spent on a page?

I would like to measure a time (in seconds in integers or minutes in floats) a user spends on a page. I ... how to get a time they have already spent there? Question&Answers:os...

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

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http - Disabling browser caching for all browsers from ASP.NET

I'm after a definitive reference to what ASP.NET code is required to disabled browsers from caching the page. ... SetExpires(DateTime.UtcNow.AddYears(-1)); } } Question&Answers:os...

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

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python - Format a datetime into a string with milliseconds

I want to have a datetime string from the date with milliseconds. This code is typical ... ) formattedstripped=withspacegoaway.strip() print formattedstripped Question&Answers:os...

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

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Driving Excel from Python in Windows

We have various spreadsheets that employ deliciously complicated macros and third party extensions to produce complicated ... using said library? Cheers, /YGA Question&Answers:os...

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

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Targeting .NET Framework 4.5 via Visual Studio 2010

Today I installed the .NET Framework 4.5 on my machine expecting to be able to use it from Visual Studio 2010, since ... ? I'd really like to use the ribbons... Question&Answers:os...

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

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html - Vertical Text Direction

I have been trying text to go in a vertical direction like we can do in ms-word tables but so far I have ... will but I only made the demo to show rotation. Question&Answers:os...

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

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jquery - resize font to fit in a div (on one line)

There have been similar questions asked, but the solutions do mesh with what I'm trying to do. Basically, I ... one (overflow wouldn't work in this situation). Question&Answers:os...

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

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Asp.NET Web API - 405 - HTTP verb used to access this page is not allowed - how to set handler mappings

I wrote REST service using ASP.NET Web API. I'm trying to send HttpDelete request, however I get the following ... problem is with the remote IIS... Greetings Question&Answers:os...

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

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objective c - Is there a way to set associated objects in Swift?

Coming from Objective-C you can call function objc_setAssociatedObject between 2 objects to have them maintain a ... Swift have anything similar to this? Question&Answers:os...

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

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r - Wrap long axis labels via labeller=label_wrap in ggplot2

I would like to automatically wrap my labels in ggplot2, i.e. insert line breaks of long labels. Here is ... like to wrap some of the longer labels here. Question&Answers:os...

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

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php - How to Remove Array Element and Then Re-Index Array?

I have some troubles with an array. I have one array that I want to modify like below. I want to remove element (elements) of ... 1] 'bar' // [1], before [2] ); Question&Answers:os...

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

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759 views

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storyboard - Outlets cannot be connected to repeating content iOS

I have just created an app and have started hooking up @IBOutlet's to the storyboard. I am connecting some of ... but this time it has chucked me this error. Question&Answers:os...

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

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295 views

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Remove duplicates from a list of objects based on property in Java 8

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

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