[Solved] How to convert String to char array without spaces in Java?
This: input.replaceAll(” “, “”).toCharArray() Probably better to use length() to count the chars though… 7 solved How to convert String to char array without spaces in Java?
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[Solved] read specific number of chars in c [closed]
Only if you googled it… char buf[11]; fgets(buf, sizeof(buf), stdin); 11 char = 10 char plus the terminating NUL. 2 solved read specific number of chars in c [closed]
[Solved] Replace ‘New Line’ with ‘|’ [closed]
You can use: $strPar = “12345|12345|12345|12345 12345|12345|12345|12345 12345|12345|12345|12345”; $strpar = str_replace(“\n”, “|”, $strPar); Make sure the \n character is in double quotes 2 solved Replace ‘New Line’ with ‘|’ [closed]
[Solved] String terminator for converting Time Strings [duplicate]
parse the string into components; possibly by position, possibly with Parse, possibly with regex decide what rules you want for each output use it For example: static string SimplifyTime(string value) { var match = Regex.Match(value, “([0-9]{2})hr:([0-9]{2})min:([0-9]{2})sec”); if (!match.Success) return value; int val = int.Parse(match.Groups[1].Value, CultureInfo.InvariantCulture); if (val > 0) return val + “hr Ago”; val … Read more
[Solved] Fixed Array?/ StringBuilder?/ String? which is best way to create a string, if 84 strings to be appended
If by “best” you mean “most memory and/or runtime efficient” then you’re probably best off with a StringBuilder you pre-allocate. (Having looked at the implementation of String.join in the JDK, it uses StringJoiner, which uses a StringBuilder with the default initial capacity [16 chars] with no attempt to avoid reallocation and copying.) You’d sum up … Read more
[Solved] C++ fstream – Account login/registration via txt file
If checking the username fails you still have extra data on that line that hasn’t been read in yet. Consider if the input data was the following username1;password username2;password When you read the first line and the username does not match you have password dangling on the current input line. So now your input looks … Read more
[Solved] Extract Last Bracketed Characters from String in Excel VBA
Try this UDF Function ExtractByRegex(sTxt As String) With CreateObject(“VBScript.RegExp”) .Pattern = “V\d+(.)?(\d+)?” If .Test(sTxt) Then ExtractByRegex = .Execute(sTxt)(0).Value End With End Function Update Here’s another version in which you can format the output Sub Test_ExtractByRegex_UDF() MsgBox ExtractByRegex(“A9 V2.3 8.99”) End Sub Function ExtractByRegex(sTxt As String) With CreateObject(“VBScript.RegExp”) .Pattern = “V\d+(.)?(\d+)?” If .Test(sTxt) Then sTxt = … Read more
[Solved] Connecting 3 different java files
Let’s do a quick analysis of your code: Your Student object looks like a constructor for the Student class object type which is most likely in this case an inner class of the CollegeTester class. So here’s the deal, your addCommand() already connects your CollegeTester class with your Student class, by executing this command after … Read more
[Solved] jQuery Adding new option to select element doesn’t pick up the string [closed]
Change: var str = $(‘#country-select’).val() + ” ” + $(“#” + $(“#country-select option:selected”).val() + “-select option:selected”).val(); to: var str = $(‘#country-select, .sub-menu’).val() + ” ” + $(“#” + $(“#country-select option:selected”).val() + “-select option:selected”).val(); jFiddle example You need to trigger the change on both the first and second selects, so $(‘#country-select, .sub-menu’) is needed. solved jQuery … Read more
[Solved] R: Splitting a string to different variables and assign 1 if string contains this word [duplicate]
First off, for future posts please provide sample data in a reproducible and copy&paste-able format. Screenshots are not a good idea because we can’t easily extract data from an image. For more details, please review how to provide a minimal reproducible example/attempt. That aside, here is a tidyverse solution library(tidyverse) df %>% separate_rows(Text, sep = … Read more
[Solved] typical operations on stored string in java
but can that iterator be converted to char array ? Yes Iterator#next() will give you string (because List has generic type String) that can be used to perform any kind of string operation. See the code below put it in main method and run. String[] str = {“Sam”, “Mohit”, “Laksh”, “Nitesh”}; List<String> list = new … Read more
[Solved] Reading multiple lines of strings from a file and storing it in string array in C++
NumberOfStrings++ is outside of your for loop when you read (i.e. it only gets incremented once). Also please consider using std::vector<std::string> instead of a dynamic array. Here’s a version of your code using std::vector instead of an array: #include <vector> #include <fstream> #include <iostream> #include <string> class StringList { public: StringList(): str(1000000), numberOfStrings(0) { std::ifstream … Read more
[Solved] Starting an Activity on Condition
Try using this: if ( “Both”.equals ( s2 ) ) { //Do something } s2 == “Both” will not compare the text in Java. You can also use this to ignore casing: if ( “Both”.equalsIgnoreCase ( s2 ) ) { //Do something } 0 solved Starting an Activity on Condition
[Solved] “Hello”.indexOf(“”) returns 0 [duplicate]
First, if you were looking for a null character you would probably want to do (char)0 because “” is an empty string (no character). Second, if Java uses a null character (they don’t have to IIRC) then they hide it. EDIT: Struck my third point because I’m not sure about it anymore. SECOND EDIT: I … Read more
[Solved] Parsing all the doubles from a string C# [closed]
If your data actually looks like this: var data = new { Desc = “Marketcap”, Val = @”1,270.10 BTC 706,709.04 USD 508,040.00 EUR 4,381,184.55 CNY 425,238.14 GBP 627,638.19 CHF 785,601.09 CAD 72,442,058.40 JPY 787,357.97 AUD 7,732,676.06 ZAR”, }; (Because what you have in your question is unclear.) Then you could do this: var query = … Read more