Recent questions tagged string

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string - Safer but easy-to-use and flexible C++ alternative to sscanf()

When I need to scan in values from a bunch of strings, I often find myself falling back to C's ... found anything similarly succinct for input. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - How to use Unicode in C++?

Assuming a very simple program that: ask a name. store the name in a variable. display the variable content ... string constant to 'wchar_t*' See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - Getting file extension in C

How do you get a file extension (like .tiff) from a filename in C? Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - Last index of a given substring in MySQL

We can find the index of the first occurrence of a given substring in MySQL using the INSTR() function as follows ... to achieve this in MySQL? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - to_s vs. to_str (and to_i/to_a/to_h vs. to_int/to_ary/to_hash) in Ruby

I'm learning Ruby and I've seen a couple of methods that are confusing me a bit, particularly to_s ... practical application for this method? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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593 views

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string - Creating a factory method in Java that doesn't rely on if-else

Currently I have a method that acts as a factory based on a given String. For example: public Animal createAnimal( ... to do this in Java? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - How to get the first word of a sentence in PHP?

I want to extract the first word of a variable from a string. For example, take this input: <?php $myvalue = ' ... input. How can I do this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - How do I capitalize first letter of first name and last name in C#?

Is there an easy way to capitalize the first letter of a string and lower the rest of it? Is there a built in ... do I need to make my own? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - Is there a native templating system for plain text files in Python?

I am looking for either technique or templating system for Python for formatting output to simple text. What I require ... do this? Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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725 views

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string - Replace one character with another in Bash

I need to be able to do is replace a space () with a dot (.) in a string in bash. I think this ... to modify a similar example for this use. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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923 views

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string - Python: 'str' object is not callable

I have the following code f = open('BigTestFile','w'); str = '0123456789' for i in range(100000000): if i ... callable Why is that? How to fix? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - How do I format a Decimal to a programatically controlled number of decimals in c#?

How can I format a number to a fixed number of decimal places (keep trailing zeroes) where the number ... missing something obvious here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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833 views

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string - What's the difference between single and double quotes in Perl?

In Perl, what is the difference between ' and " ? For example, I have 2 variables like below: $var1 = '('; ... ( before HERE mark in regex m. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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841 views

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string - Number of Occurrences of a Character in NSString

I have an NSString or NSMutableString and would like to get the number of occurrences of a particular character. I need ... for it to be quick. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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953 views

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string - C# hex to ascii

I'm trying to convert a String of hex to ASCII, using this: public void ConvertHex(String hexString) { StringBuilder ... What am I doing wrong? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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848 views

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string - How is unicode represented internally in Python?

How is Unicode string literally represented in Python's memory? For example I could visualize 'abc' as its equivalent ... string in Python 3.x See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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776 views

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string - Java printf using variable field size?

I'm just trying to convert some C code over to Java and I'm having a little trouble with String.printf. In C, ... 's a slightly better way, yes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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660 views

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string - Python, print delimited list

Consider this Python code for printing a list of comma separated values for element in list: print element + ",", What ... ,2,3, desired 1,2,3 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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string - Custom manipulator for C++ iostream

I'd like to implement a custom manipulator for ostream to do some manipulation on the next item being ... about accomplishing that? Thanks. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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592 views

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string - What is a Python bytestring?

What's a Python bytestring? All I can find are topics on how to encode to bytestring or decode to ascii or utf ... So is a bytestring in ASCII? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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790 views

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string - Need a basename function in Javascript

I need a short basename function (one-liner ?) for Javascript: basename("/a/folder/file.a.ext") -> "file.a" ... ..") -> # does'nt matter See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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702 views

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string - How to add text to an image in java?

I need to add some texts to an existing table image (png). Which means that I need to "write" on the image ... text location. How can I do it? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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706 views

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string - Algorithm to find articles with similar text

I have many articles in a database (with title,text), I'm looking for an algorithm to find the X most similar ... text that I just typed. How? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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741 views

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string - Shell script - remove first and last quote (") from a variable

Below is the snippet of a shell script from a larger script. It removes the quotes from the string that is held by a ... /(.*)./1/'` echo $temp See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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string - Split a character vector into individual characters? (opposite of paste or stringr::str_c)

An incredibly basic question in R yet the solution isn't clear. How to split a vector of character into its ... stringr::* or anything else? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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821 views

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string - toUpperCase in Java does not work

I have a string: String c = "IceCream"; If I use toUpperCase() function then it returns the same string, ... "ICECREAM". Where is the problem? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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797 views

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string - Correct format specifier for return value of sizeof() in C

I have the following code: #include<stdio.h> int main() { printf("The 'int' datatype is %lu bytes " ... )); ^ Compilation finished successfully. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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680 views

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string - Parsing HTML to get content using C#

I am writing an application that crawls a group of my web pages. Rather than take the entire source code of the ... into just the content in C#? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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