compare | 易学教程

Check if two NSStrings are similar

阅读更多关于 Check if two NSStrings are similar

问题 I present a tricky question that I am not sure how to approach. So, I have formulated a plist containing dictionaries which contain two objects: The Country Name The Plug Size Of The Country There are only 210 countries/facts though. And, I have enabled to search through a list of many many countries, in which there might be a fact or not. But here is my problem, I am using a web service called Geonames and the user can use a search bar display controller to search for countries, and these

Efficient way to compare version strings in Java [duplicate]

阅读更多关于 Efficient way to compare version strings in Java [duplicate]

Possible Duplicate: How do you compare two version Strings in Java? I've 2 strings which contains version information as shown below: str1 = "1.2" str2 = "1.1.2" Now, can any one tell me the efficient way to compare these versions inside strings in Java & return 0 , if they're equal, -1, if str1 < str2 & 1 if str1>str2. Alex Gitelman Requires commons-lang3-3.8.1.jar for string operations. /** * Compares two version strings. * * Use this instead of String.compareTo() for a non-lexicographical * comparison that works for version strings. e.g. "1.10".compareTo("1.6"). * * @param v1 a string of

Tool to compare large numbers of PDF files? [closed]

阅读更多关于 Tool to compare large numbers of PDF files? [closed]

I need to compare large count of PDF files for it optical content. Because the PDF files was created on different platforms and with different versions of the software there are structural differences. For example: the chunking of text can be different the write order can be different the position can be differ some pixels It should compare the content like a human people and not the internal structure. I want test for regressions between different versions of the PDF generator that we used. Horcrux7 Because there is no such tool available that we have written one. You can download the i-net

NSString - how to go from “ÁlgeBra” to “Algebra”

阅读更多关于 NSString - how to go from “ÁlgeBra” to “Algebra”

问题 Does anyone knows hoe to get a NSString like "ÁlgeBra" to "Algebra", without the accent, and capitalize only the first letter? Thanks, RL 回答1: NSString has a method called capitalizedString: Return Value A string with the first character from each word in the receiver changed to its corresponding uppercase value, and all remaining characters set to their corresponding lowercase values. NSString *str = @"AlgeBra"; NSString *other = [str capitalizedString]; NSLog (@"Old: %@, New: %@", str,

Compare 2 excel files using Python

阅读更多关于 Compare 2 excel files using Python

问题 I have two xlsx files as follows: value1 value2 value3 0.456 3.456 0.4325436 6.24654 0.235435 6.376546 4.26545 4.264543 7.2564523 and value1 value2 value3 0.456 3.456 0.4325436 6.24654 0.23546 6.376546 4.26545 4.264543 7.2564523 I need to compare all cells, and if a cell from file1 != a cell from file2 print that. import xlrd rb = xlrd.open_workbook('file1.xlsx') rb1 = xlrd.open_workbook('file2.xlsx') sheet = rb.sheet_by_index(0) for rownum in range(sheet.nrows): row = sheet.row_values(rownum

Compare 2 JSON objects [duplicate]

阅读更多关于 Compare 2 JSON objects [duplicate]

Possible Duplicate: Object comparison in JavaScript Is there any method that takes in 2 JSON objects and compares the 2 to see if any data has changed? Edit After reviewing the comments, some clarification is needed. A JSON object is defined as "an unordered set of name/value pairs. An object begins with { (left brace) and ends with } (right brace). Each name is followed by : (colon) and the name/value pairs are separated by , (comma)." -- json.org My goal is to be able to compare 2 JSON object literals, simply put. I am not a javascript guru so if, in javascript, these are object literals,

Java. Ignore accents when comparing strings

阅读更多关于 Java. Ignore accents when comparing strings

The problem it's easy. Is there any function in JAVA to compare two Strings and return true ignoring the accented chars? ie String x = "Joao"; String y = "João"; return that are equal. Thanks DaveJohnston I think you should be using the Collator class. It allows you to set a strength and locale and it will compare characters appropriately. From the Java 1.6 API: You can set a Collator's strength property to determine the level of difference considered significant in comparisons. Four strengths are provided: PRIMARY, SECONDARY, TERTIARY, and IDENTICAL. The exact assignment of strengths to

C# object is not null but (myObject != null) still return false

阅读更多关于 C# object is not null but (myObject != null) still return false

问题 I need to do a comparaison between an object and NULL. When the object is not NULL I fill it with some data. Here is the code : if (region != null) { .... } This is working but when looping and looping sometime the region object is NOT null (I can see data inside it in debug mode). In step-by-step when debugging, it doesn't go inside the IF statement... When I do a Quick Watch with these following expression : I see the (region == null) return false, AND (region != null) return false too...

Bash script compare two date variables [duplicate]

阅读更多关于 Bash script compare two date variables [duplicate]

问题 This question already has answers here : How to calculate time elapsed in bash script? (19 answers) Closed last year . I'm trying to compare a date given by a user to a date in a file, basically a text file with lots of dates and times listed. for example the user would enter a date such as 22/08/2007 and a time of 1:00, what i need the script to do is count how many dates in the text file are after the date given by the user. I’ve managed to accomplish this by converting each date in the

Mysql Compare two datetime fields

阅读更多关于 Mysql Compare two datetime fields

问题 I want to compare two dates with time, I want all the results from tbl where date1 > date2 Select * From temp where mydate > '2009-06-29 04:00:44'; but it is just comparing dates not time. it is giving me all the result set of today's date '2009-06-29 11:08:57' '2009-06-29 11:14:35' '2009-06-29 11:12:38' '2009-06-29 11:37:48' '2009-06-29 11:52:17' '2009-06-29 12:12:50' '2009-06-29 12:13:38' '2009-06-29 12:19:24' '2009-06-29 12:27:25' '2009-06-29 12:28:49' '2009-06-29 12:35:54' '2009-06-29 12