Questions tagged [string]
A string is a finite sequence of symbols, commonly used for text, though sometimes for arbitrary data.
24,066
questions with no upvoted or accepted answers
13votes
0answers
274views
Why is the format! macro slower than pushing into a String directly?
When I was trying to generate a string, I used both format! and directly pushed into a String.
Pushing into a String directly took ~40 ns/iter while using format! took ~80 ns/iter (twice as long).
Why ...
- 166
11votes
0answers
735views
How to copy selected strings translations from one android project to another?
I have one project with lots of strings and translations. Basically, a lot of values-XX folders in res folder.
I want to copy all translations for specific strings into another project. What is the ...
9votes
3answers
278views
Minimum add to make parentheses string consisting of '{', '}', '[', ']', '(', ')' valid
This problem is an addition to the familiar stack question(https://leetcode.com/problems/minimum-add-to-make-parentheses-valid/) where we have to return the minimum number of additions to make the ...
- 91
9votes
2answers
2kviews
Define a C++ char array without terminator
Answers to Why this program compiles fine in C & not in C++? explain that unlike the C language, the C++ language does not tolerate an initializer string for a char array that is not long enough ...
- 4,404
9votes
0answers
4kviews
boost::algorithm::to_upper/to_lower ok for utf8? boost::locale not necessary?
I've read in several places that boost::algorithm::to_upper/to_lower are not ok for utf8:
http://www.boost.org/doc/libs/1_51_0/libs/locale/doc/html/conversions.html
How to convert std::string to ...
- 1,834
7votes
0answers
3kviews
Python Tesseract OCR training to a specific list of words
I am quite new to OCR and to Tesseract.
So far I have a working script that is extracting fairly good text from images.
My doubt: is possible to train tesseract to retrieve only words/chars ...
- 540
7votes
0answers
5kviews
Is there any characters/bytes limit in the Android clipboard? [Android development]
Good night everyone,
Lately, I have been learning about the Android clipboard. I was trying to do some interesting stuff when I discovered that I couldn't copy more than 2^18 (262.144) characters at ...
- 71
7votes
0answers
1kviews
Get bounding rectangle for CGGlyphs of Characters other then letters or numbers
I am looking for a way to equire character's glyph descent as indicated on the picture:
The method needs to work for any given character (or at least all common unicode characters).
Here is my ...
- 16.9k
7votes
1answer
2kviews
Manipulating text in a TextBox in Adobe InDesign CS5
How can I do some manipulations with the text in a TextBox on resize in Adobe InDesign CS5?
The main goal is too split the last word on every row to achieve something like a custom hyphenation.
Is ...
- 7,839
7votes
2answers
2kviews
What is it dot-separated string resource name for?
I'am using a snake_style for the naming of string resources. In someones code i found another notation, with dots. I couldn't be able to found single word about this topic.
<resources>
<...
- 907
7votes
2answers
4kviews
Correct way of reading /proc/pid/status
I read /proc/<pid>/status this way:
std::ifstream file(filename);
std::string line;
int numberOfLinesToRead = 4;
int linesRead = 0;
while (std::getline(file, line)) {
// do stuff
if (...
- 3,068
6votes
2answers
155views
Merge source JSON string to target with similar keys but different structure in javascript
I have two JSON strings as shown below:
source = [
{
"name": "test1",
"values": ["User Support"],
"enabled": false
},
{
"...
- 103
6votes
1answer
191views
Removing backslash in Python at runtime
I need a way for my function to take in a string at runtime and remove the backslashes while KEEPING the character it is prepended to. So for \a I must get a. This must also work for nonescaped ...
- 159
6votes
1answer
115views
Why does creating 2 variables cause a crash in custom STL, C++ VS2019?
Hello I'm trying to rewrite my own memory manager and STL (nothing fancy, just some basic vector and string features) and I'm getting a strange behaviour. I'm trying to get experience in the memory ...
6votes
0answers
468views
Get "path" of nested types as string in Swift
The Problem
I'm searching for a generic way to obtain the full name of a nested type in Swift, i.e. when I define nested structs as follows:
struct A {
struct B {
struct C {
}
...
- 13.9k
6votes
1answer
464views
Safely concatenate multibyte strings
I'm looking increasingly into ensuring that PHP apps are multibyte-safe, which mostly involves replacing string manipulation functions with their equivilant mb_* functions.
However string ...
- 30.1k
6votes
4answers
3kviews
Smallest substring that can be replaced to make the string have the same number of each character
I'm trying to solve a problem that is almost exactly that. In particular I'm given a string s such that s.Length % 4 == 0 and each s[i] is one of 'A', 'C', 'T' or 'G'. I want to find the smallest ...
- 2,719
6votes
2answers
463views
Escaping % in ICS Preferences - Do I really have to write version specific string handling?
I have an app that crashes on ICS. Worked fine up to then (though I'm not sure if I ever really got a honeycomb platform to test on, all of our test phones are either gingerbread or lower, and now I ...
- 741
6votes
2answers
2kviews
Winform TextBox can't display text
Today I found a strange problem with TextBox.Text, if the string length is too large,the textbox will looks like empty, but actually I still can select/copy/paste, just can't see the characters.
I ...
- 593
6votes
2answers
5kviews
n-gram modeling with java hashmap
I need to model a collection of n-grams (sequences of n words) and their contexts (words that appear near the n-gram along with their frequency). My idea of was this:
public class Ngram {
...
- 665
6votes
1answer
4kviews
Forcing Case Insensitive String.Contains in Entity Framework Core
Is there any way to force LINQ to SQL to perform a case-insensitive Contains?
I'm working with PostgreSQL on Entity Framework Core.
- 11.6k
6votes
1answer
2kviews
Why does PyCharm use double backslash to indicate escaping?
For instance, I write a normal string and another "abnormal" string like this:
Now I debug it, finding that in the debug tool, the "abnormal" string will be shown like this:
Here's the question:
...
- 8,784
6votes
4answers
780views
Arabic string: get actual Glyph (contextual shaping)
I have an arabic String. For instance: رامات راحيل
In Arabic, the same letter has a different glyph according to the letter position.
So letter Lam is ل if Isolated or Initial, while is ﻟ if it's ...
- 195
6votes
1answer
845views
JS Strings/Numbers and Garbage Collection
tl;dr
Does the following line of code create an object (like a JavaScript String object or a JavaScript Number object) to combine the string primitive and the number?
var scouterSays = "powerlvl" + ...
- 301
6votes
3answers
4kviews
Concat KeyDown event (Keys) to one C# (wpf) string
I have a magnetic card reader that uses the keyboard input to send data.
I am using a KeyDown event where I get this object (C# WPF):
KeyEventArgs e
I want to take the keys that I get and make them ...
- 975
5votes
1answer
1kviews
PostgreSQL Hibernate-types Data conversion error related to JSONB
Since hibernate does not natively support JSONB, I have implemented custom type. I can read data from table ad_my_table without a problem. However, when writing I am getting data conversion error. I ...
- 51
5votes
0answers
223views
How to resolve Resource entry already defined
I am using aosp and after running the command:
make 2>&1 | tee build-log.txt
I am getting lots of errors, such as:
packages/apps/Settings/res/values/aliases.xml:19: error: Resource entry ...
- 6,744
5votes
0answers
182views
Is str("str") always an identity function?
So simple question here:
I see for certain objects that a call to str can actually create a new object reference
>>> a = 1
>>> str(a) is str(a)
False
However, I notice that this ...
- 16.1k
5votes
0answers
558views
German 'Umlaut's in R package description
I wrote a function in R that replaces german letters like ä, ö, ü and ß and want to document it in my package. My example is:
#' @examples "Aber das ist es nun mal, was wir tun: wir träumen weiter ...
- 901
5votes
0answers
260views
Optimizing string manipulation
It is 2019 and we have a banking project which uses mainframe as data store and transactions.
We are using DTO's (Commarea, plain c# class) that is converted to plain string (this is how mainframe ...
- 48.8k
5votes
1answer
112views
FirstUnmatchedIndex using CurrentCultureIgnoreCase
I need to support languages that can use non ascii letters in input text, so i need to implement StringComparison.CurrentCultureIgnoreCase for FirstUnmatchedIndex. Ignoring casing isn't so bad, but i ...
- 754
5votes
0answers
183views
Are Java Strings stored differently in heap based on how they are being constructed?
I'm working on a code base which uses JNI techniques for modeling native methods.
Here is the segment of the native peer method used for java.lang.String#equals(Object)
@MJI
public boolean ...
- 8,669
5votes
0answers
1kviews
Vue directive - passing in string
I have the following custom directive in vue
<h1 v-role="'admin'">Your Dashboard</h1>
It works fine but would be cleaner without the single quotes. Is this possible?
<h1 v-...
- 15.8k
5votes
0answers
1kviews
Get string length at declaration in assembly x86_64 in Linux
See the statements of string1 and string2 as well as their len1 and len2. The code is Assembly for x86_64 using GNU Assembler, passing parameters to invoke Linux x86_64 system calls. When I mov len1, %...
- 2,342
5votes
0answers
232views
Handle several chained-function with python multiprocessing (pool)
Coding is pretty new for me, so don't mind me if what I'm asking is quite easy or idiotic.
I wrote a python script for doing some obscure stuff, long story short, I'm trying to compare some strings ...
- 51
5votes
0answers
1kviews
How to color different parts of text drawn on a canvas in Android?
I am trying to recreate the following animation:
The animation GIF can be accessed here: https://github.com/ugomeda/d3-liquid-fill-gauge
In this animation, as the waves rise and fall, the color of ...
- 161
5votes
1answer
298views
@Html.TextBoxFor throws System.FormatException when the localized string contains curly brace character
@Html.TextBoxFor throws System.FormatException when the localized string contains curly brace character
public class MyModel
{
[Display(ResourceType = typeof(MyModelResourceProvider), Name="...
- 713
5votes
3answers
339views
How would I Strip Html from a string and set a character limit?
I'm getting a string from a list of items, The string is currently displayed as "item.ItemDescription" (the 9th row below)
I want to strip out all html from this string. And set a character limit of ...
- 169
5votes
1answer
103views
PHP How To convert a list of strings (array) to an nested array based on string content
I have a list of strings with contain keywords.
//random keywords random order
$array = array(
'Keyword7 keyword4 keyword9 keyword1'
'keyword4 keyword9 Keyword7 keyword2'
'Keyword7 ...
- 3,796
5votes
1answer
2kviews
ComboBox searching in string, not just the first letter
I have problem making my combobox searching inside the strings in the items.
I want to narrow down a list of members. They are formatted in this way (unique member id) - First name - last name.
When ...
5votes
0answers
1kviews
GSON is trying to deserialize a String to double
I'm using Retrofit with a GSON converter to obtain JSON from a RESTful Web Service and when GSON tries to convert a JSON object to POJO I'm getting the error:
retrofit.Converter:conversionException:...
5votes
1answer
118views
Array detects only a part from an input word instead of the entire word
I have a problem in my Android app, it's an app using voice recognition, and Google TTS. It's like a SIRI client. As you can see here when the user says a word given in the array:
String[] g = { "...
user2683292
5votes
1answer
3kviews
Why is using def and String at the same time when declare field in Gradle
class GreetingPluginExtension {
def String message = 'Hello from GreetingPlugin'
}
Why is used def and String at the same time, we have String type, why we use and def keyword?
- 15.6k
5votes
0answers
134views
Case-insensitive compare of Turkish file names in .NET
How should file names be compared in .NET?
I've read that InvariantCulture is preferred, but here's my problem...
A case-insensitive compare of a Turkish file name with the classic "I" vs. "i" issue,...
- 4,340
5votes
2answers
7kviews
break program when user enters specific string into input
I want to make it so that the user inputs some string, and the program takes console input until user types "/done".. so here's how it would work:
print to user: enter your string
user enters: hello ...
- 63
5votes
1answer
1kviews
Android c++ string support for to_string, stof, etc
Does any android ndk compiler, based on gcc 4.7, support to_string, stof, and other string conversion functions?
In the NDK I am using I found the function in ext/vstring.h. But the function is ...
- 341
5votes
1answer
2kviews
android how to get Click String in android Webview?
How can I get String from webview on its click event??
here is the image:
here i just want to fetch the blue colored strings programmatically and not the other ones.
i am using Html string Display ...
- 8,571
5votes
1answer
2kviews
Best way to iterate over a byte/unicode string in Cython
I'm just beginning with Cython and it also turns out very hard to google Cython-specific stuff, so sorry in advance.
I am re-implementing a Python function with Cython. It pretty much looks like this ...
- 59k
5votes
0answers
2kviews
mysql bitwise operations with string columns
I need to store some flags for user records in a MySQL table (I'm using InnoDB):
---------------------------
| UserId | Mask |
| -------------------------
| 1 | 00000...001 |
| 2 ...
- 173
5votes
1answer
3kviews
Iterate over characters in string in mysql
First at all I have a very concrete question, but maybe an alternative approach to my problem (second part) could also help me.
Is there a way to address a character in a string via its index in ...
- 955