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• Decimal to Binary recursive method for Java

  - by Tan

  Write a recursive method that converts a decimal number into a binary number as a string. The method header is as follows: public static String convertDecimalToBinary(int value)

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• Loop through Javascript array, print with string.

  - by Adam

  I have a simple array like: var myArr=["one","two","three"]; an I have a counting loop, which increases the value of var "i" by one. What I want to do is print the next value from the array each time the loop runs, next to a text string, like so: alert('value number '+myArr[i]+); But for some reason I can't get this to work. The following code works, so I'm assuming I'm not calling the counter right: alert('value number '+myArr[0]+);

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• C#: Loop through substring patterns in a string

  - by ilann

  my pattern is the following: {(code)} where code is a number (up to 6 digits), or 2 letter followed by a number. For example: {(45367)} {(265367)} {(EF127012)} I want to find all occurrences in a long string, I can't just use pure regex , because I need to preform some action when i find a match (like logging the position and the type of the match).

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• Rails view - user enters minutes, we save seconds?

  - by sscirrus

  Hi everyone, I have a simple text_field in my form where a user enters a time in minutes, i.e. 60. How can I multiply that number by 60 before saving the form, such that the database stores the number in seconds? Then, how do I reverse that and show the field in minutes on another view? Thank you!

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• logarithms in python

  - by Srikanth

  write a program to find the sum of the logarithms of all the primes from 2 to some number n, and print out the sum of the logs of the primes, the number n, and the ratio of these two quantities in python

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• Find word using JQuery

  - by tinti

  I need a little piece of advice. I have a test page with 2 fields: word number and URL Also i have a button Push. When i push the button i want to open the specified URL (it's local html files) and highlight the word at the "word number" position Of course the code must ignore element nodes (<p>,<b>,<table> and so on)

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• What Date Source(DS) type and what Round Robin Archive(RRA) should I choose for displaying informati

  - by Kirzilla

  Hello, I want have RRA with one measurement = 5min. period. The Y axis displaying total number (not average) of registrations during last 5 minutes. Also, I want graph with information about total number of registrations (Y axis) per day (X axis). What DS type and RRA "algoritm" shoud I choose to implement this? Thank you

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• Updated: How to span multile tables in Django for a backwards relationship

  - by ipartola

  The Django documentation gives en example like so: b = Blog.objects.get(id=1) b.entry_set.all() Which from what I understand results in 2 queries. What if I wanted to get the blog, the blog entries and all the comments associated with that entry in a number of queries that does not depend on the number of entries? Or do I have to drop down to SQL to do that?

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• Regular expression - starting and ending with a letter, accepting only letters, numbers and _

  - by jreid9001

  I'm trying to write a regular expression which specifies that text should start with a letter, every character should be a letter, number or underscore, there should not be 2 underscores in a row and it should end with a letter or number. At the moment, the only thing I have is ^[a-zA-Z]\w[a-zA-Z1-9_] but this doesn't seem to work properly since it only ever matches 3 characters, and allows repeated underscores. I also don't know how to specify requirements for the last character.

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• Weird jQuery UI Slider behavior using Page Up/Down

  - by qlassic

  I'm using jQuery UI's slider to update a div containing a number. Dragging or using the left/right keys should only allow the user to choose a number between 1 and 5 (this works as intended). However, if the handle has focus and I use page up/down, I start to get rounded values that are well out of the range of 1-5. Anybody experience the same? Thoughts?

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• How to find missing alpha values in sets of data within same table in SQL

  - by Jeff

  I have a table of many values where one column has the WO Number, and another column has the Resource ID. I need to be able to find all the WO numbers that do not have a resource value of "RW". Here is an example of the typical information. I need to be able to know that work order 5678 does not have an "RW" Resource ID. WO Number - Resource ID 1234 - IN 1234 - WE 1234 - AS 1234 - RW 5678 - PR 5678 - WE 5678 - IN 5678 - AS

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• Comparing the values of two generic Numbers

  - by PartlyCloudy

  I want to compare to variables, both of type T extends Number. Now I want to know which of the two variables is greater than the other or equal. Unfortunately I don't know the exact type yet, I only know that it will be a subtype of java.lang.Number. How can I do that? Thanks!

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• Exceptions handling in SQL?

  - by Vineet

  Is there any way to handle exceptions in sql(ORACLE 9i)? Since I was trying to divide values of a column that contains both numbers and literals ,I need to fetch out only numbers from it ,as if it divisible by any number then its number else if contains literals it would not get divided it will generate error. how to handle those errors? Please suggest!!

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• Random Int in VB.Net

  - by brendan

  I need to generate random integer between 1-n (where n is a positive whole number) to use for a unit test. I don't need something overly complicated to ensure true randomnesses - just an old fashioned random number. How would I do that?

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• Without width printing format in C

  - by yCalleecharan

  Hi, in C if I have a printf statement containing say "%.2f", it says that the precision is 2 digits after the decimal place. I haven't explicitly specify the width. I have two questions: Is this good programming practice?; Is without specifying the width means that the width of the field will get adjusted automatically when printing the number, irrespective of the number of digits it contains? Thanks a lot...

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• ranged random numbers in C

  - by Scott

  I'm looking for something I can use in C that will give me a random number between a and b. So something like rand(50) would give me a number between 1 and 50.

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• PHP array question.

  - by TaG

  How do I show the dates number format next to its name in the array using PHP? So that the number format is saved in the database and the month name is displayed? Here is the php code. $month_options = array("Month", "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");

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• Help me with LINQ to entities query, please

  - by plotnick

  I need to build a query to the entities to get records including: AssetWeapon, PersonOut number of records with IsIn = True, number of records with IsIn = False, name of the month of StartTime, Records should be grouped by AssetWeapon thank you guys!

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• How to convert numbers to words in php

  - by user225269

  Is there a function in php wherein you can convert the number 12 to its equivalent in a month. For example if the mysql database stores digits and not words for dates. how do you convert the number 12 into the word december?

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• to count specific things within a c++ code

  - by ace

  i know this connects to my original question but i put it here so it is seen by people afresh. after passing each line of the code into a string, how can i count the following things: --the number of standalone functions and member functions per class --the number of lines per function?

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• I want a function to remove numbers higher than 5000 in a string

  - by cash

  I have a string that contains unwanted numbers ( any number higher than 5000 ) I want a php function to remove any number higher than 5000. thnx :)

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• Plotting horizontal and vertical lines in Mathematica

  - by karlsbad

  In Mathematica, how do you plot a horizontal line at a given number? How do you plot a vertical line at a given number?

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• JQuery height and units

  - by Parhs

  Hello.. I know that height() method of jquery returns a number unitless... How can i be sure that this number is in the unit i want? I want to work with centimeter cm any ideas?

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• Does this behavior exist in all major databases?

  - by user198729

  mysql> select 0.121='0.121'; +---------------+ | 0.121='0.121' | +---------------+ | 1 | +---------------+ Does it hold for other database that number='number' is true?

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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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