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Using R, how to reference variable variables (or variables variable) a la PHP

Using R stats, I want to access a variable variable scenario similar to PHP double-dollar-sign technique: http://php ... in advance. monte {x: See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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python - Regex stemmer code explanation

Can someone please explain what does this code do? def stemmer(word): [(stem,end)] = re.findall('^(.*ss|.*?)(s)?$',word) return stem See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Fix the version conflict (google-services plugin)

Please fix the version conflict either by updating the version of the google-services plugin (information about ... google.gms.google-services' See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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ios - Converting a NSString to NSDate

I am trying to convert a NSString into a NSDate as shown below. The value of NSString *startTime ... [dateFormatter dateFromString:startTime]; See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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php - Remove questionmark from URL with htaccess

I'm having problem removing the question marks from my url. Now the URL looks like this: www.mydomain.com/ ... ] </IfModule> Any suggestions? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - Bad Data exception during RSA decryption

I was working on a project. Encryption is working fine but when it comes to decryption my program is throwing "Bad ... Decrypt(cipher); } } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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javascript - java script newline replacement

I finished a JavaScript beginners course and tried to solve the JS challenges in hackthissite.org. in last challenge ... could solve that !! See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c++ - Error: cannot convert 'char*' to 'char**' for argument '1' to 'int upper(char**)'

I have an assignment to calculate the number of vowels,capital letters, consonants etc. in an array. But I keep getting the ... ============== See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Python 3.4: Temporary files not being deleted automatically

If you're using the tempfile library, then you might have experienced the scenario where the temporary file is ... the temporary files pile up. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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String index out of range in Java

I am aware there are multiple threads like my assignment below, but I just can't figure it out. I can't exactly figure ... { pos=i-1; break; } } See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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iPhone home button pressed

In my app has a button that opens the browser and my application was for background. I just want to close ... when the home button is clicked. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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ios - Avoid duplicates while adding in dictionary

I have a dictionary in which I'm adding values like so... var mydictionary = ["id": "", "quantity": " ... empty. Hope somebody can help... See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - jar file could not run in 64 bit machine

i have developed a desktop application for my college project. I developed in 64 bit machine with NetBean IDE 7 ... about this thank in advance. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Android java type org.json.JSONObject cannot be converted to JSONArray

I am trying to connect to an Api link, read and construct all values in a object list. I call the ... know any of the structure properties. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Python code to calculate the maximal amount of baggage is allowed using recursive function

I am new to python and I have an assignment, I need to write a recursive function that takes two ... RECURSION ONLY AND WITHOUT LOOPS Thanks See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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php - Combing value of same elements

This is data that is coming from previous page Now I want to show my data like this Array ( [0] => ... Means Combing values of same element N100 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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How to pass a Global variable into a class in C#

I am struggling to find a solution to pass a global variable into a class. I've tried to ... function into the BrowserLifeSpanHandler class? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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amazon web services - How to deploy a python docker image to AWS Lambda?

I am trying to figure out how to deploy a flask application that I have received with a Dockerfile to AWS ... be highly appreciated. Thanks. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - TextView isn't updated with JSON Response

I have 3 textviews I'm attempting to update (nameTv, contentTv, publishedTv) with data obtained from a JSON response. ... replyTo; // replyTo is null this.username = username; }...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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java - Given two strings S and T, return if they are equal when both are typed into empty text editors. # means a backspace character

Example 1: Input: S = "ab#c", T = "ad#c" Output: true Explanation: Both S and T become "ac". Example 2 ... be true why is this not working? See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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408 views

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javascript - How to save background color in cookie through button click?

Im currently trying to learn about cookies in javascript. My question is : I have three Button Red-Green-Blue and ... -color:blue">Blau</button> See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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501 views

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python - Do Arithmetic Operations in Django Model itself

I want to subtract two model fields in the model itself. Example : class Purchase(models.Model): name = models. ... . Please Guide me for this. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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c# - how to copy numbers from camera lenses and put this copy in another app?

my problem that I want to make an app read numbers from camera lenses we return a copy to my app. like you ... copy of that number to my app See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Appium Test Android

Automating Test using Appium I am Following This Two Tutorials https://www.youtube.com/watch?v=n8QqYAXKWEU https:// ... .. Caused by: java.lang.RuntimeException: com.android.buil...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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Why google is using the term "Render-Blocking JavaScript"?

See: https://developers.google.com/speed/docs/insights/BlockingJS Google is talking there about "Render-Blocking ... with the thoughts above. See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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458 views

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php - i need to know how to call curl with api key parameter with given command

i have curl command provided by some developer, i need to know how to call it in ... . Authorization=FLUdjGvxuJ9liutivB0Ll5LW2t2xmv31lvK2guQi ) See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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357 views

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php - find array key is equal to value in specific array?

Hi All already i asked one question regarding array based key equal to value in array. Here my previous link please check enter ... ] => adult [title] => Ms. [first_name] =&gt...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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379 views

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ios - How to get NSDateComponents between two NSDateComponents?

I've two NSDateComponents, I want all NSDateComponents in between those two, I've tried the following, NSDateComponents * ... -1-2014 23-1-2014 See Question&Answers more detail:os...

asked Jan 31, 2022 in Technique[技术] by 深蓝 (71.8m points)

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