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macos - Codesign of Dropbox API fails in Xcode 4.6.3: "code object is not signed at all"

I have an OS X app that's distributed through the Mac App Store, and recently updated to Xcode 4.6.3. ... build, and cleaning the build folder. See Question&Answers more detail:os...

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

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490 views

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reactjs - Load local images in React.js

I have installed React using create-react-app. It installed fine, but I am trying to load an image in one of my ... what I am doing wrong here. See Question&Answers more detail:os...

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

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650 views

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r - Issue when importing dataset: `Error in scan(...): line 1 did not have 145 elements`

I'm trying to import my dataset in R using read.table(): Dataset.df <- read.table("C:\dataset.txt", header=TRUE ... mean and how can I fix 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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How to insert a blob into a database using sql server management studio

How can I easily insert a blob into a varbinary(MAX) field? As an example: thing I want to insert is: ... is mypictureblob the place is recid=1 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 mvc - Defining multiple Foreign Key for the Same table in Entity Framework Code First

I have two entities in my MVC application and I populated the database with Entity Framework 6 Code First approach. There ... { get; set; } } See Question&Answers more detail:os...

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

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statistics - How to generate distributions given, mean, SD, skew and kurtosis in R?

Is it possible to generate distributions in R for which the Mean, SD, skew and kurtosis are known? So far it ... have not yet found it. 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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isset - Calling a particular PHP function on form submit

I was trying to call a particular php function in submit of a form both the form and php scripts are in same page. My ... } ?> </body> </html> 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 on rails - Redis + ActionController::Live threads not dying

Background: We've built a chat feature in to one of our existing Rails applications. We're using the new ... obtrusive and goofy as heck. 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 - What does 'x packages are looking for funding' mean when running `npm install`?

I usually get "x packages are looking for funding." when running npm install on a react project. Any idea what that means? See Question&Answers more detail:os...

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

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jQuery : eq() vs get()

I'm new to jQuery, and I'm wondering what the difference is between jQuery's get() and eq() functions. I may ... ").eq(0).fadeIn("slow"); See Question&Answers more detail:os...

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

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java - How to Autowire Bean of generic type <T> in Spring?

I have a bean Item<T> which is required to be autowired in a @Configuration class. @Configuration public class AppConfig ... Item<T> in Spring? See Question&Answers more detail:os...

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

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testing - Gradle Test Dependency

I have two projects, project A and Project B. Both are written in groovy and use gradle as their build system ... the test classes of project B? See Question&Answers more detail:os...

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

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css - HTML-Tooltip position relative to mouse pointer

How to align the tooltip the natural style: right bottom of the mouse pointer? <!DOCTYPE html> <html> <head> <title> ... </a> </body> </html> 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 - How can I control the scrolling speed of recyclerView.smoothScrollToPosition(position)?

I have a recycler view, and I want a smooth scrolldown and then scrollup to it programatically to show ... content gets visible clearly. 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 - Jest: Timer and Promise don't work well. (setTimeout and async function)

Any ideas on this code jest.useFakeTimers() it('simpleTimer', async () => { async function simpleTimer( ... for second promise to resolve. See Question&Answers more detail:os...

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

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Responsive Images with CSS

I'm finding it tricky to resize images to make them responsive. I'm developing a php application to automatically ... can achieve this via CSS? See Question&Answers more detail:os...

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

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204 views

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Hide Show content-list with only CSS, no javascript used

I've been searching for a good trick to make a Hide/Show content or a list with only CSS and no javascript ... hide? Thank you in advance! See Question&Answers more detail:os...

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

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438 views

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How to query closest GeoPoints in a collection in Firebase Cloud Firestore?

The new Firestore DB allows me to store GeoPoints. Is there a way to query based on them? So for example if ... trying out some stuff here ?? 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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node.js - Use socket.io inside a express routes file

I'm trying to use Socket.io with Node.js and emit to a socket within the logic of a route. I have a ... it from the index.js export functions? See Question&Answers more detail:os...

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

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algorithm - Efficiently reverse the order of the words (not characters) in an array of characters

Given an array of characters which forms a sentence of words, give an efficient algorithm to reverse the order of ... puzzle is taken from here. See Question&Answers more detail:os...

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

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556 views

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objective c - Heart Rate data on apple Watch

Can we access the heart rate directly from the apple watch? I know this is a duplicate question, but no one has ... "real-time" that will be. 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 for zip-code

Possible Duplicate: What is the ultimate postal code and zip regex? I need Regex which can satisfy all my ... be much appreciated. 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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inheritance - Why does C++ not allow inherited friendship?

Why is friendship not at least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden ... of questions ... See Question&Answers more detail:os...

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

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file - Java: splitting the filename into a base and extension

Is there a better way to get file basename and extension than something like File f = ... String name = f.getName ... " : name.substring(dot+1); See Question&Answers more detail:os...

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

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windows - How should I use FormatMessage() properly in C++?

Without: MFC ATL How can I use FormatMessage() to get the error text for a HRESULT? HRESULT hresult = application. ... error? exit (hresult); } See Question&Answers more detail:os...

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

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257 views

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ios - Passing arguments to selector in Swift

I'm programmatically adding a UITapGestureRecognizer to one of my views: let gesture = UITapGestureRecognizer(target: ... the gesture handler. See Question&Answers more detail:os...

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

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581 views

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reactjs - React: Parent component re-renders all children, even those that haven't changed on state change

I haven't been able to find a clear answer to this, hope this isn't repetitive. I am using React + Redux ... ? What is the right approach here? See Question&Answers more detail:os...

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

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1.9k views

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c# - EPPlus number format

I have an Excel sheet generated with Epplus, I am experiencing some pain points and I wish to be directed by ... applied. What may be wrong? See Question&Answers more detail:os...

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

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