string

[Solved] How to cut up a string from an input file with Regex or String Split, C#?

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Description This regex will: capture the fields values for subject, from, to, and read the fields can be listed in the source string in any order capture the date on the second line what starts with a single # ^\#(?!\#)([^\r\n]*)(?=.*?^Subject=([^\r\n]*))(?=.*?^From=([^\r\n]*))(?=.*?^To=([^\r\n]*))(?=.*?^Read=([^\r\n]*)) Expanded ^\#(?!\#) match the first line which only has a single # ([^\r\n]*) capture all … Read more

[Solved] Comparing two version of the same string

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Here’s a tidyverse approach: library(dplyr) library(tidyr) # put data in a data.frame data_frame(string = unlist(data)) %>% # add ID column so we can recombine later add_rownames(‘id’) %>% # add a lagged column to compare against mutate(string2 = lag(string)) %>% # break strings into words separate_rows(string) %>% # evaluate the following calls rowwise (until regrouped) rowwise() … Read more

[Solved] Replace string value in C#? [closed]

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You should not redeclare the variable twice but only modify its value: for (int i = 0; i < Model.Items.Count; i++) { string SelectedEvent = “event selected”; if (i > 1) { SelectedEvent = “event”; } // here you can use the SelectedEventVariable // its value will be “event selected” on the first and second … Read more

[Solved] string equal doesn’t work c++

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I suggest adding some debugging output to your program: while (!fileEn.eof()){ getline(fileEn,line); // Debugging output std::cout << “en[” << i << “] = ‘” << line << “‘” << std::endl; en[i]=line; i++; } and for(int i = 0; i < 100; ++i){ Matn >> matn[i]; // Debugging output std::cout << “matn[” << i << “] … Read more

[Solved] creat empty array of strings

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Don’t create individual string array.You can use Arraylist to make a dynamic String array. ArrayList<String> images =new ArrayList<String>(); to insert values.Just use add() method. For example,You want to store iamgeUrls then : images.add(image1); images.add(image2); And to retrieve data use get() method.Example : images.get(position); //where position is the index of imageUrl you want to retrieve. 0 … Read more

[Solved] How to get numbers in a string separated with commas and save each of them in an Array in Javascript [duplicate]

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use split & map & parseInt methods. var numbers=”15,14,12,13″; var result=numbers.split(‘,’).map(function(number){ return parseInt(number); }); console.log(‘convert ‘+JSON.stringify(numbers)+” to array:”+JSON.stringify(result)); Use eval method var numbers=”15,14,12,13″; var result=eval(“[“+numbers+”]”); console.log(‘convert ‘+JSON.stringify(numbers)+” to array:”+JSON.stringify(result)); solved How to get numbers in a string separated with commas and save each of them in an Array in Javascript [duplicate]

[Solved] What will be the output of String.substring(String.length)?

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The JavaDoc for String.substring() states: [throws] IndexOutOfBoundsException – if beginIndex is negative or larger than the length of this String object. Since your beginIndex is equal to the length of the string it is a valid value and substring() returns an empty string. 3 solved What will be the output of String.substring(String.length)?

[Solved] how to remove a substring of unknown length from a string – C++ [closed]

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Use rfind to get the location of the last slash then substr to return the right side of the string. Since substr‘s second argument defaults to “the end of the string” you only need to provide the beginning position: #include <string> std::string GetURLFilePath(const std::string& url) { auto last_slash_location = url.rfind(“https://stackoverflow.com/”); if(last_slash_location == std::string::npos || last_slash_location … Read more

[Solved] c search for target string in string [closed]

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Looking at the error messages is sufficient to debug the code and make it work. It’s very basic error messages that can be resolved just by reading the code once. 1) extern.c:14:7:conflicting types for ‘array’ char *array[5][0]; ^~~~~ extern.c:6:6: note: previous declaration of ‘array’ was here char array[5][10]; Error: There is declaration of same variable … Read more

[Solved] Print ABC – string [closed]

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Can you try something like following? I haven’t tested the following but it should work on most part. // Elvis’s hip and happening ABC-printing code #include <stdio.h> #include <string.h> #define NUM_ABC_LET 26 void makeABC(char abc[NUM_ABC_LET]); int main() { char abcString[NUM_ABC_LET + 1]; makeABC(abcString); puts(abcString); return 0; } void makeABC(char abc[NUM_ABC_LET + 1]) { char letter; … Read more

[Solved] How to insert variable as a string into MySQL in Java

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In general you can create strings with placeholders using: String result = String.format(“%s,%s”, v1, v2); If you are using JDBC, you can use a PreparedStatement, for example: PreparedStatement statement = connection.prepareStatement(“UPDATE table1 SET column1 = ? WHERE column2 = ?”); int i = 1; statement.setInt(i++, v1); statement.setInt(i++, v2); statement.executeUpdate(); For creating JDBC queries the PreparedStatement … Read more

[Solved] Is the result of a print or echo a string or can they be number values in php? [closed]

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PHP is giving you the string representation of 10, which is also 10. However, your JS code embeds this inside quotes, making it a JS string value. Since the .value property of the input element is also a string, JS ends up comparing the two “numbers” as strings and probably giving you unexpected results. Consider … Read more

[Solved] Replace YYYY-MM-DD dates in a string with using regex [closed]

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import re from datetime import datetime, timedelta dateString = “hello hello 2017-08-13, 2017-09-22” dates = re.findall(‘(\d+[-/]\d+[-/]\d+)’, dateString) for d in dates: originalDate = d newDate = datetime.strptime(d, “%Y-%m-%d”) newDate = newDate + timeDelta(days=5) newDate = datetime.strftime(newDate, “%Y-%m-%d”) dateString = dateString.replace(originalDate, newDate) Input: hello hello 2017-08-13, 2017-09-22 Output: hello hello 2017-08-18, 2017-09-27 6 solved Replace YYYY-MM-DD … Read more

[Solved] Does this function I made correctly append a string to another string?

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First, char *stuff_to_append_to[] is an array of pointers of undetermined length, that is not a valid parameter, as the last dimension of an array must be specified when passed to a function, otherwise, pass a pointer to type. Next, char **stuff_to_append is a pointer to pointer to char and is completely valid, but given your … Read more