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• Centering Divisions Around Zero

  - by Mark

  I'm trying to create something that sort of resembles a histogram. I'm trying to create buckets from an array. Suppose I have a random array doubles between -10 and 10; this is very simplified. I then want to specify a center point, in this case 0 and the number of buckets. If I want 4 buckets the division would be -10 to -5, -5 to 0, 0 to 5…

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• Replacing emty csv column values with a zero

  - by homerjay

  Hey, So I'm dealing with a csv file that has missing values. What I want my script to is: #!/usr/bin/python import csv import sys #1. Place each record of a file in a list. #2. Iterate thru each element of the list and get its length. #3. If the length is less than one replace with value x. reader = csv.reader(open(sys.argv[1], "rb")) for…

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• Not getting exact result in python with the values leading zero

  - by himagiri

  zipcode = 02132 print zipcode 1114

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• Array length is zero in jQuery.

  - by James123

  I wrote like this. After submit click loop is not excuting. But I saw value are there, But array lenght is showing '0'. (Please see picture). Why it is not going into loop? and $('#myVisibleRows').val(idsString); becoming 'empty'. $(document).ready(function() { $('tr[@class^=RegText]').hide().children('td'); var…

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• Find units with zero categories

  - by Kevin Sedgley

  Hello, I am after an SQL command to find units with no categories. Here are the tables: Unit id name UnitCategory id name UnitCategoryIndex id categoryid unitid Thanks!

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• Symfony: there is a "0" (zero) in a sfWidgetFormChoice

  - by user248959

  Hi, i want to show a select which options are the character '-' and a range of integers. I have this: $years = range(14,130); new sfWidgetFormChoice(array('choices' => array_merge(array('' => '-',array_combine($years,$years))); The problem: between the '-' and the range of integers there is a "0" (bold and…

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• Question about Null vs zero

  - by Mike

  I have this function: void ToUpper(char * S) { while (*S!=0) { *S=(*S >= 'a' && *S <= 'z')?(*S-'a'+'A'):*S; S++; } } What does it mean for *S != 0, should it be null instead?

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• Des failles zero-day découvertes dans MySQL, pouvant entraîner un crash du SGBD ou bloquer l'accès aux utilisateurs

  Des failles zero-day découvertes dans MySQL pouvant entraîner un crash du SGBD ou bloquer l'accès aux utilisateurs Des chercheurs en sécurité viennent de découvrir plusieurs vulnérabilités critiques zero-day dans le gestionnaire de bases de données MySQL. Identifiées au nombre de cinq initialement, c'est finalement trois…

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• SQL: How do I return zeroes where there is nothing to aggregate across?

  - by Karl

  Hi What I would like ask is best illustrated by an example, so bear with me. Suppose I have the following table: TypeID Gender Count 1 M 10 1 F 3 1 F 6 3 M 11 3 M 8 I would like to aggregate this for every possible combination of…

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• Why does my Perl program print the help message when an arguments has 0 as a value?

  - by David

  If i do this: GetOptions( 'u=s' => \$in_username, 'r=i' => \$in_readonly, 'b=i' => \$in_backup ); exit usage() unless $in_username && $in_readonly && $in_backup; and call the program like this: ./app.pl -u david -r 12 -b 0 it always results in calling usage(), so…

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• C++ double division by 0.0 versus DBL_MIN

  - by wonsungi

  When finding the inverse square root of a double, is it better to clamp invalid non-positive inputs at 0.0 or MIN_DBL? (In my example below double b may end up being negative due to floating point rounding errors and because the laws of physics are slightly slightly fudged in the game.) Both division by 0.0 and…

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• PayPal $0 Dollar Transaction?

  - by Alex

  Hi. I have a client who wants a paypal shopping cart. All of the services have "Buy Now" buttons, all with different prices. However, there is one service, which is a FREE 0 dollar service. The client wants the "Buy Now" button to remain there, to be consistent with the rest of the site. Does anyone know how I…

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• Remove leading zeros from abbreviated date with PHP

  - by j-man86

  Hello, I was wondering if there is a way, using PHP, to change this date format: 01.08.86 (January 8, 1986) to this format: 1.8.86.

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• Excel - Variable number of leading zeros in variable length numbers?

  - by daltec

  The format of our member numbers has changed several times over the years, such that 00008, 9538, 746, 0746, 00746, 100125, and various other permutations are valid, unique and need to be retained. Exporting from our database into the custom Excel template needed for a mass update strips the leading zeros, such…

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• Prevent printing -0

  - by fishinear

  If I do the following in Objective-C: NSString *result = [NSString stringWithFormat:@"%1.1f", -0.01]; It will give result @"-0.0" Does anybody know how I can force a result @"0.0" (without the "-") in this case? EDIT: I tried using NSNumberFormatter, but it has the same issue. The following also produces…

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• [C++] Initializing Primitive Array to One Value

  - by bobber205

  Is there a way to initialize an array of primitives, say a integer array, to 0? Without using a for loop? Looking for concise code that doesn't involve a for loop. :)

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• How to account for non-prime numbers 0 and 1 in java?

  - by shady

  I'm not sure if this is the right place to be asking this, but I've been searching for a solution for this on my own for quite some time, so hopefully I've come to the right place. When calculating prime numbers, the starting number that each number has to be divisible by is 2 to be a non-prime number. In…

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• Shuffle tiles position in the beginning of the game XNA Csharp

  - by GalneGunnar

  Im trying to create a puzzlegame where you move tiles to certain positions to make a whole image. I need help with randomizing the tiles startposition so that they don't create the whole image at the beginning. There is also something wrong with my offset, that's why it's set to (0,0). I know my code is…

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• I am trying to use user-defined functions to print out an inputted letter out of stars, but i need h

  - by lm

  def horizline(col): for col in range (col): print("*", end='') print() def vertline(rows, col): for rows in range (rows-2): print ("*", end='') for col in range (col-2): print(' ', end='') print("*") def functionA(width): horizline(width) …

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• wrong operator() overload called

  - by user313202

  okay, I am writing a matrix class and have overloaded the function call operator twice. The core of the matrix is a 2D double array. I am using the MinGW GCC compiler called from a windows console. the first overload is meant to return a double from the array (for viewing an element). the second…

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• How to insert and call by row and column into sqlite3 python

  - by user291071

  Lets say i have a simple array of x rows and y columns with corresponding values, What is the best method to do 3 things? How to insert, update a value at a specific row column? How to select a value for each row and column, import sqlite3 con = sqlite3.connect('simple.db') c = con.cursor()…

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• I'm looking for this graph solution

  - by Ben Fransen

  Hello all, Recently I found a pretty graph when I was browsing the adminskins at ThemeForest and in one of the templates I found a really nice, smooth, clean graph. But I've searching arround but so far without luck finding out which solution is used. And example can be found at:…

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• I am trying to use user-defined functions to print out an A out of stars, but i need help defining m

  - by lm

  def horizline(col): for col in range (col): print("*", end='') print() def vertline(rows, col): for rows in range (rows-2): print ("*", end='') for col in range (col-2): print(' ', end='') print("*") def functionA(width): …

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• wxpython PyGridTableBase

  - by nozkan

  Hi, I want to use editable choice editor with PyGridTableBase. When I edit a cell it is crashing What is error in my code? My python code: import wx import wx.grid as gridlib class MyTableBase(gridlib.PyGridTableBase): def __init__(self): …

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• How can i learn Table Name in database an column name?

  - by Phsika

  How can i learn table Name in database an how can i learn any Table's Column name? SELECT Col.COLUMN_NAME, Col.DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS AS Col LEFT OUTER JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE AS Usg ON…

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