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ios - [__NSCFCalendar components:fromDate:toDate:options:]: fromDate cannot be nil

I am getting this error .How to solve it.Please suggest me. Crash Report [__NSCFCalendar components:fromDate:toDate: ... day= [components day]; 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 - how to catch and block unknown incoming calls

I have a problem. My receiver is run very succesfull but when on private numbers not work my code. private 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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java - why some imports cannot be resolved?

I'm new to java , i tried to use word net for senitment analysis . when i used class of wordnet , i ... .lucene ,org.apache.stanbol,org.osgi 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 - Why numpy arrays are slower than lists with for loops?

Aren't arrays supposed to be faster since they consume less memory and as I know with arrays python doesn ... finished in: 11.598113536834717 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 reinstall gcc and g++ on ubuntu linux

I think there may be something wrong with my gcc and g++ install because this code below will not run on my computer ... <long double>; | ^~~~ See Question&Answers more detail:os...

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

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apache - $_GET in PHP not getting utm values

I am trying to print / echo utm_source, utm_medium and utm_campaign query values using this PHP code; echo $_GET[' ... > </body> </html> See Question&Answers more detail:os...

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

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reactjs - Update state hooks inside map

I want to update a state hook inside a map. Here is the example: const App = () => { const [total, ... loop. How can I make this happen? 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 - Is there a way to remove too many if else conditions?

I am currently making an interactive system using python, that is able to understand and reply. Hence for this ... make the execution slower. See Question&Answers more detail:os...

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

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r - Can this for-loop be vectorized

I implemented a chi-square test in R using a for-loop in order to calculate the test statistic for every ... groups is a character variable. See Question&Answers more detail:os...

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

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jasper reports - ireport quires set for the SQL for Set query?

I am trying to get equivalent query for the Ireport. this is my sql query. but when I am pasting it to ... ) as Profit_Total from table t1; See Question&Answers more detail:os...

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

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css - Vertical margin changes on horizontal resize

I can't figure out why my div is losing vertical margin on a horizontal resizing of the screen if the margin I give ... Hello World!</h1> </div> 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++ - ==operator overload only on certain occasions

I am making a project that takes in types as templates. The operator== is already overloaded for chars, ints ... How would this be accomplished? 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/J2ee Authentication through Window login

Can anyone please tell me how to do user authentication through windows corporate domain login id and password... ... should be in java. See Question&Answers more detail:os...

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

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Linux Mint 19 Local DNS resolution problem

I installed Linux Mint 19 after using Ubuntu for a while, I a have a local domain with subdomains, I can ping ... .0.0.4 Please help me. See Question&Answers more detail:os...

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

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Using `Set` Argument to Scala Code in Java

I'm trying to call my Scala Util object from Java code: Main.java Set<Long> items = new HashSet<Long>(); // ... code, why is a Set<Long> found? 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 - To use sudo feature, what should I wrote in the my application?

To use sudo feature, what should I write in the my application? Should I write something? If yes, can you tell ... xml, or add some Java code? See Question&Answers more detail:os...

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

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Using offline server in PHP

I'm having problems using the mail command in PHP through an offline server. I've used the mail(to, subject, ... address. Should I be online? See Question&Answers more detail:os...

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

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2D array difference in C and C++

I have these two lines of code which I thought would compile both on C and C++. int a[3][3] = {{ ... is the difference between these two cases. 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 Can I convert NSMutableDictionary object into JSON format in Objective C

I have a NSMutableDictionary object that returns data like as follows Key : ClassObject I want to convert that into a ... it into a JSON format. 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 - JS / CSS Transition when Window not active

I created a small slider where I set classes with JS every X seconds and do the animation with CSS Transition. Now ... left); left=left+20; } See Question&Answers more detail:os...

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

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swift - Create a UIView with rounded bottom edge

I want make view this Bottom roundedenter image description here See Question&Answers more detail:os...

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

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I have XML file I want change its element value through python. change its value if "No" changed to "NA", and other than "Yes"

Data.xml <?xml version='1.0' encoding='UTF-8'?> <inno:dom xmlns:inno="http://innodatalabs.com/innodom"> <inno: ... or "No" change to "Yes" * 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# - SHA512 Encryption + salted

I am working on a C# visual studio windows form application. However, i was stuck halfway during my ... to other encryption methods? See Question&Answers more detail:os...

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

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email - sending an mail with attachment using php

i have got this code - mail with attachment.......... but i get an error <?php $name = "Reviewbox"; $email = " ... . how to solve 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++ - Flatbuffers how to send in one message uint16_t header, size_t body size and uint8_t buffer

I am using FlatBuffers & Boost ASIO I want to form a message with the following sequence: uint16_t Header identifier. ... boost::asio::write ? 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# - Generic class of one type to another type in auto mapper

I have this Generic Pagination class: i want to map PagedList<Caste> to PagedList<CasteModel> public class ... lot all getting same message 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 - What's the correct syntax for Data-Toggle Bootstrap on React.js

So I'm very new to react and javascript in general, I am just trying to lay it out how I see it in HTML el. ... ' }) ), Using purely JS React.JS 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# - Accessing class from form and vice-versa

After hunting the internet for two days and not finding a solution that I can understand properly I have to ask on ... ].Enabled = false; } } See Question&Answers more detail:os...

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

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