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  • C# + String Formatting

    - by user208662
    Hello, I feel like I'm trying to do something simple but I am not getting the result I want. I want to display a basic number, that will always be positive. I do not want any leading zeros but I want thousands separators. For instance, for the following inputs, I want the following outputs: 3 -> 3 30 -> 30 300 -> 300 3000 -> 3,000 30000 -> 30,000 300000 -> 300,000 Currently, in an attempt to do this, I'm using the following formatting code: string text = "*Based on " + String.Format("{0:0,0}", total) + " entries"; Currently, the output looks like this: 3 -> 03 3000 -> 3,000 You can see how a leading "0" is added when the thousands separator is not necessary. How do I properly format my numbers? Thank you

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  • xcode - EXEC_BAD_ACCESS when concatenting a large string.

    - by Frames1984
    I'm getting a EXEC_BAD_ACCESS when concatenting a large string. I've read from a feed and to create my webview i build up my string like: NSString *pageData = @"<h1>header</h1>"; pageData = [pageData stringByAppendingFormat@"<p>"]; pageData = [pageData stringByAppendingFormat@"self.bodyText"]; pageData = [pageData stringByAppendingFormat@"</p>"]; etc problem i've got is self.bodytext is 21,089 charachers with spaces when I do a count on word. Is there a better method for doing this? Thank

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  • Oracle: Difference in execution plans between databases

    - by Will
    Hello, I am comparing queries my development and production database. They are both Oracle 9i, but almost every single query has a completely different execution plan depending on the database. All tables/indexes are the same, but the dev database has about 1/10th the rows for each table. On production, the query execution plan it picks for most queries is different from development, and the cost is somtimes 1000x higher. Queries on production also seem to be not using the correct indexes for queries in some cases (full table access). I have ran dbms_utility.analyze schema on both databases recently as well in the hopes the CBO would figure something out. Is there some other underlying oracle configuration that could be causing this? I am a developer mostly so this kind of DBA analysis is fairly confusing at first..

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  • difference between #define and enum{} in C

    - by guest
    when should one use enum {BUFFER = 1234}; over #define BUFFER 1234 ? what are the advantages enum brings compared to #define? i know, that #define is just simple text substitution and enum names the constant somehow. but why would one need that at all?

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  • Using traversal by pointer to check whether a string is repeated

    - by Bob John
    bool repeat_char(char *s, int n); //R: s is a C-string of at least n non-NUL characters and n > 0 //E: returns true if the first n characters are fully repeated throughout the string s, false // otherwise. I'm having trouble implementing this function using traversal by pointer. I was thinking that I could extract the first n characters from s, then use that in a comparison with s, but I'm not sure how I could do that. If I'm traversing through s one character at a time, how can I check that it matches a block of text, such as the first n characters of s? Thanks!

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  • How to compare string with const char*?

    - by arzeth
    #include <stdlib.h> #include <stdio.h> #include <iostream> #include <string.h> using namespace std; int main() { string cmd; while(strcmp(cmd.c_str(),"exit")==0 && strcmp(cmd.c_str(),"\exit")==0) { cin>>cmd; cout<<cmd; } return 0; } I am stuck.

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  • String path validation

    - by CMAñora
    I have here a string(an input from the user) for a file path. I checked the string so that it will qualify the criteria: check for invalid characters for a file path will not accept absolute path (\Sample\text.txt) I have tried catching the invalid characters in catch clause. It work except for '\'. It will accept 'C:\\Sample\text.txt' which is an invalid file path. The following examples should be invalid paths: :\text.txt :text.txt \:text.txt \text.txt C:\\\text.txt I have been through similar questions posted here but none of them seemed to solve my issue. What would be the best way to do such check?

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  • C# Deserializing to a dictionary<string, Object>

    - by lovecraft
    I'm writing a C#/VB application to connect to a database and do stuff with the data. I was given this code to take a serialized byte array and deserialized it, which is then written to a Dictionary The line of code is: Dictionary<string, Object> DictionaryEmployee = (Dictionary<string, Object> Deserializer(byteArrayEmp)); The errors I'm getting are exceedingly unhelpful. "Only assignment, call, increment, decrement, await, and new object expressions can be used as a statement" if I mouse over Object and "Using the generic type 'System.Collections.Generic.Dictionary' requires 2 type arguments if I mouse over Dictionary.

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  • convert char[] to String in btrace

    - by usovmv
    Hi folks! I'm profiling application with btrace (https://btrace.dev.java.net) and faced with limitation. I try to get a name of current java.lang.Thread. Normaly you can call getName() but it's forbidden in btrace-scripts (any calls exception BTraceUtils). Is there any idea how to get String from char[]. The original task is check if name of thread contains sub-string and only then log out tracing info (reducing output). thanks, Max.

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  • extract two parts of a string using regex in php

    - by Jubair
    Ok so I have this string: &lt;img src=images/imagename.gif alt='descriptive text here'&gt; and I am trying to split it up into the following two strings (array of two strings, what ever, just broken up). imagename.gif descriptive text here Note yes, its' actually the & lt; and not < same with the closing on the string. I know regex is the answer, but not the best at regext to know to pull it off in php.

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  • how to generate XML (in String representation) in java

    - by flyingfromchina
    I have defined a java class, but only need to output some of the fields of this class into an XML. The returned type must be a String. I first opted for the easiest way using a StringBuffer. However, when I tried to process the output String represenation, it failed. I think it is mostly likely because there are some characters that are not encoded in the UTF-8 in the input. Could someone tell me what is the best way to handle this? Thanks.

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