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php - Switch/Case without a `break`, doesn't check the cases properly

I'm having trouble with a switch case conidtion. Why in the following scenario: $category = "A"; $offer = " ... appropriate, what shall I use? 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 - Way to make backspace delete whole words at a time

I have a text area: <textarea type="input" id="txtText">Hello+world-how*are+you</textarea> I want a way for ... 'world' first, then 'Hello'. See Question&Answers more detail:os...

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

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SQL Server - get next Friday in DATETIME

To get the last Friday of any date the query follows: SELECT DATEADD(d,-1-(DATEPART(dw,GETDATE()) % 7),GETDATE()) How can I get the next friday? See Question&Answers more detail:os...

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

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regex - Read file content and use Regular Expression to locate a pattern in each File in Perl

I have about 200 files located in the same directory, all of which contain a specific piece of content that I need to ... print "$f = $f "; } 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 - App stop working

First I am trying this way. And I am stuck then I ask question But no one gives any answer. Then I try ... /AndroidRuntime(1482): ... 23 more See Question&Answers more detail:os...

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

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matlab - Im looking for a way to add up elements of two arrays

i am looking for a way that i can add up elements in an array such that the first element of the first array is added to ... 8,9,8,9,10,9,10,11] 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 use default values in a char array?

I have the easiest question possible: how to initialise a value in C? My variable is of the type char[20] and it ... value to a 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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Batch Command for Renaming files in folders

Just wondering if anyone can help me. Normally I'm pretty got at finding some code I need an to manipulate it ... "%new%" echo Done pause``` See Question&Answers more detail:os...

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c++ - Connected Components in OpenCV 3.4.0 with with cuda (on GPU)

I wrote a program with c++ and OpenCV 3.4.0 for connected components labeling. I used ... has no member "labelComponents" 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 numpy arange dtpye? why converting to integer was zero

x = np.arange(0.3, 12.5, 0.6) print(x) [ 0.3 0.9 1.5 2.1 2.7 3.3 3.9 4.5 5.1 5.7 6.3 6.9 7.5 8.1 8.7 9. ... 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] See Question&Answers more detail:os...

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

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math - TypeError: object array may be self-referencing python

So, I ran into this error: temp7: 1.68219771725e-06 temp6: [[array([-60800056.33037408], dtype=object)]] ... thisJ =temp7* math.exp(temp6) 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 - Regex to allow PhoneNumber with country code

I need a regex to validate a phone number (With country code )which shall follow the below conditions 1 - There ... in this .Thanks 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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Convert the code to list comprehension in python

A cipher is a secret code for a language. In this case study, we will explore a cipher that is reported ... send the code of encoded_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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oop - Java inheritance and hidden public fields

To simulate some auto-generated classes which looks like this, I made a small jUnit test class to simulate ... new feature of Java 8? See Question&Answers more detail:os...

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

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if statement - Php if condition inside foreach

I have following arrays. Array ( [0] => Array ( [0] => Cash [1] => 91.16 ) [1] => ... I place if condition dynamically inside foreach loop. 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++ - Can we add an array variable to integer?

This is a program to find median of two sorted arrays. A divide and conquer based efficient solution to find ... the getmedian function call ? 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 does GCC store member functions in memory?

I am trying to minimise the size my class occupies in memory (both data and instructions). I know how to ... they are declared in the 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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c - Error on file open: File exists

The return value of an open() was -1 and on trying to find the error using perror() the output was "File ... reason for the file not opening. See Question&Answers more detail:os...

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

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sql server - Insert multiple rows, count based on another table columns

I have 3 Tables. Item, StockDetail, Branch I want to INSERT 2 of them at once. The Item and StockDetail ... (Based on all existed BranchID) 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 - Get the last non-null element of an array

Having an array like this myArray = ["test", 32.5, 11.3, 0.65, 533.2, null, 423.2, null, null]; is ... ? In this case it should be 423.2. See Question&Answers more detail:os...

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

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Counting the occurrence of unique letters in a string in Python 3

There are many way for Counting the occurrence of unique letters in a string in Python 3. I just wanna know what ... way for this job. 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 - How to find Sum of differences of maximum and minimum of all possible subset of an array

how to Find sum of maximum- minimum of all possible subset of given array for example given array is 1 all posible subsets ... , 4, 5]] ans= 72 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 can i create a file .csv?

How i can create a file .csv?, i want to create only a file, because i want to declare outside the main() my File. as ... " Capture complete. "); return 0; } but i got this error:...

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

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javascript - Convert JSON object containing objects into an array of objects

My data is currently stored in this format, stored in a JSON file: { "name": { "0": ______, "1": ... good with restructuring this kind of data. 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 - C++: Getting random negative values when converting char to int

Why do I get negative values when I'm trying to convert chars from the string read from file to int? fin.getline ... } Someone, clear my mind :D See Question&Answers more detail:os...

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

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WordPress Site hacked? Suspicious PHP file

I found a suspicious PHP file /wp-includes/mera.php Content: <?php if(isset($_GET['test'])){echo ' ... '); possibly do something malicious? 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++ - i want to calculate the T(n) for the two algorithms

i want to know the time complexity for the following two algorithms void main (){--------------------------------- ... -----------? } cout<<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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django - MultipleObjectsReturned: get() returned more than one Driver -- it returned 3

I have a DRF API that is supposed to feed a frontend Android and IOS app. The API has three types of users ... are my server logs: Server Log See Question&Answers more detail:os...

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

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