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• Float to binary in C++

  - by Eric

  Hi, I'm wondering if there is a way to represent a float using a char in C++? For example: int main() { float test = 4.7567; char result = charRepresentation(test); return 0; } I read that probably using bitset I can do it but I'm not pretty sure.

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• Why the function from immediate parent is called and not from grandparent class. Is this called func

  - by sandeep

  class A { public: void test () { cout<<"In A"; } }; class B :public A { public: void test () { cout<<"In B"; } }; class C : public B { public: int c; }; int main() { C c; c.test(); } The result is: In B...

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• Is this select possible in sql?

  - by chandru_cp

  Consider a table, Id columnA 1 a 2 b 3 c Select ColumnA from table gives the result as below, columnA a b c Is it possible to get ColumnA a,b,c

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• jQuery plugins: How can I stop divs from overlapping?

  - by anir

  I'm using Masonry and Embedly plugin to display embedded content, I've put together an example in jsfiddle.net/anir/pBtbb/3/ It appears the Masonry plugin loads first and it causes the overlapping problem (they only show correctly when you resize the result window) I've read that I could use callback functions or retrigger Masonry once embedly has finished rendering content, but I don't know how to do it. Can you help me? Is there any other solution to fix this?

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• Why does this simple division between 2 floats not work with java ?

  - by user323186

  System.out.println((26.55f/3f)); or System.out.println((float)( (float)26.55 / (float)3.0 )); etc. returns the result 8.849999. not 8.85 as it should. Can anyone explain this or should we all avoid using floats?

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• How do I split a string by strings and include the delimiters using .NET?

  - by mafutrct

  There are many similar questions, but apparently no perfect match, that's why I'm asking. I'd like to split a random string (e.g. 123xx456yy789) by a list of string delimiters (e.g. xx, yy) and include the delimiters in the result (here: 123, xx, 456, yy, 789). Good performance is a nice bonus. Regex should be avoided, if possible.

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• C++: Pointers and scope

  - by oh boy

  int* test( ) { int a = 5; int* b = &a; return b; } Will the result of test be a bad pointer? As far as I know a should be deleted and then b would become a messed up pointer, right? How about more complicated things, not an int pointer but the same with a class with 20 members or so?

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• How to make a right-click translation dictionary application?

  - by thethanghn

  Hi everyone, I'm trying to write a dictionay application on C#. There is a scenarios that user selects a text and press a hot-key, I want to pop-up a quick windows that display the search result of the selected word (just like Lingoes does) How would I do it in C#? Thanks in advance

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• LOAD DATA LOCAL INFILE custom value

  - by NR03

  How to add a custom value using LOAD DATA LOCAL INFILE? The column time_added is the 7th column and the file has only 2 values for the first and the second column. For the 7th column, time_added I want to use the unix timestamp when loading from file. This code isn't working: $result = mysql_query("LOAD DATA LOCAL INFILE '{$myFile}' INTO TABLE {$table} FIELDS TERMINATED BY ':' LINES TERMINATED BY '\n' SET `time_added`=unix_timestamp()");

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• Load huge sql dump to mySql

  - by jonathan

  Hi I have a huge mysql dump file generated from phpmyAdmin (150 000 lines of create table, inserts....) The mySql query tool fails to open such a big file. As a result i can't insert all the records. Is there a way to do this ? Thanks John

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• how to see the optimized code in c

  - by sganesh

  I can examine the optimization using profiler, size of the executable file and time to take for the execution. I can get the result of the optimization. But I have these questions, How to get the optimized C code. Which algorithm or method used by C to optimize a code. Thanks in advance.

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• UITableView crashes when adding 2 objects to an empty store, with sections (NSRangeException)

  - by likejy

  UITableView crashes in endUpdate, called by the Managed Object Context "save" method, when: 1- The Core-Data Store is empty 2- The Fetched Result Controller is configured to show sections 3- Two managed objects (or more) have been added to the store When I've searched this situation in google. I've found exactly matched error in this post. It looks like a bug.Is there a any solution to avoid this bug ?

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• difference between erase and remove/remove_if algorithms?

  - by Eric

  What is really the difference between the algorithms remove and remove_if and the member function erase? Does both of them result in a call to the removed objects destructor?

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• How to execute query with empty fields?

  - by Kliver Max

  I have a SQL Query: SELECT documents.*, t_rights.rights, documents_list.docs FROM documents INNER JOIN t_rights on t_rights.num=documents.type_right INNER JOIN documents_list on documents_list.num=documents.document1 WHERE code_document=1 or code_document=1 In case if i have fields documents.document1 and documents.document1 with some value all works fine. But if this field empty i get empty query result. Its possible make query like this with empty fields?

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• PHP: header("Location ... suddenly stopped to work.

  - by Patrick

  hi, I modified a very simple php page on my server: <?php header("Location:http://www.google.com"); ?> and it stopped to work. I get as result a blank page (Without source in it). I modified back to the previous url.. and it still doesn't work. What's going on ? Thanks

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• need to crawl images and the whole web pages

  - by Kei Situ

  hey, I am starting a project and wonder the relationship between the characters in images and the whole web page where the images reside. so first, i want to crawl some images and their web pages.....need to save the crawl result in local disk for further analysis. I wonder if there is any open source for this issue? thx^_^

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• equal insread of distinct

  - by MirooEgypt

  SELECT DISTINCT IncreasmentAmount, Name, regionid FROM Pricing.GroupOfRegions where regionid in (6,7) i have this result 12.80 AB 6 13.00 ABC 6 15.00 AC 6 12.80 AB 7 13.00 ABC 7 i wanna add more condition where IncreasmentAmount are equals which means i got the rows where regionid in (6,7) and have the same IncreasmentAmount so i got finally 12.80 AB 6 12.80 AB 7

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• Replacing multiple `-` with one `-` without regexp

  - by Adam Kiss

  I've seen so many misuses of RegExp, I don't really like it :) I have string (as a result of two str_replaces) that might look something like this: .?This iš my ".stRiNg."! | V --this-is-my---string--- Is there any way better than $string = trim(preg_replace('/[-]+/u','-', $string),'-'); to get: this-is-my-string ?

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• How To Get YEARWEEK() To See Sunday As The Start Of The Week?

  - by tan

  I'm trying to get the YEARWEEK function to see Sunday as the 1st day of the week. An example date is: Sunday 1st Mar 2009 Here is my sql SELECT YEARWEEK('2009-03-01') and the result is - 200909 Which is week 9. I believe it is telling me this is week 9 because it sees the sunday as the last day of the previous week. How would I get this function to see sunday as the 1st day of the week and therefore return as week 10?

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• why my home page not showing in google ?

  - by user298788

  hello members i have 1 site : http://www.magentocommerceexperts.com/ it is not showing cache in google toolabr also i am not getiing result properly also other pages has been cached and it showing and the site genrated in wordpress so will u show me whats a problem. all seo stuff done completd and i am facing problem since 2 months

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• Write a JavaScript that accepts a number from the user using the “prompt” function

  - by A sw A

  Write a JavaScript that accepts a number from the user using the “prompt” function. Then it draws a table in the HTML document that has the user specified number of rows and columns. In each table data, it displays the result of the math operation (row raised to the power of column). For example, if the user enters the number 3, the JavaScript should draw the following table: 1 1 1 2 4 8 3 9 27

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• What is the explanation of this java code ?

  - by M.H

  I have the following code : public class Main { public void method(Object o) { System.out.println("Object Version"); } public void method(String s) { System.out.println("String Version"); } public static void main(String args[]) { Main question = new Main(); question.method(null);//1 } } why is the result is "String Version" ? and why there is a compiler error if the first method takes a StringBuffer object ?

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• Select only half the records

  - by coffeeaddict

  I am trying to figure out how to select half the records where an ID is null. I want half because I am going to use that result set to update another ID field. Then I am going to update the rest with another value for that ID field. So essentially I want to update half the records someFieldID with one number and the rest with another number splitting the update basically between two values for someFieldID the field I want to update.

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• Why does (360 / 24) / 60 = 0 ... in Java

  - by Ankur

  I am trying to compute (360 / 24) / 60 I keep getting the answer 0.0 when I should get 0.25 In words: I want to divide 360 by 24 and then divide the result by 60 public class Divide { public static void main(String[] args){ float div = ((360 / 24) / 60); System.out.println(div); } } This prints out: 0.0 Why is that? Am I doing something really stupid, or is there a good reason for this

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• Add Page Tab dialog not working

  - by Sim

  I was always using the direct Add to Page Tab URL like this: http://www.facebook.com/dialog/pagetab?app_id=238557109577754&redirect_uri=http://www.facebook.com And today that URL gives me "Sorry, something went wrong.". Did something changed on Facebook side? Or is it a temporary bug? Note that I have tried other redirect_uri params, such as the URL of the location where the app is hosted. It does always result in the same error.

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