declare field without initial value in php?
- by Charles
I don't want to give an initial value. I want to set these later using the set method
class Duck {
var int id;
var set = Array();
}
Any idea how to declare without getting error?
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Search found 47469 results on 1899 pages for 'auto generated value'.
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How to retrieve query string value from URL value stored in a variable?
- by user187580
Hello, $url = 'http://www.domain.com/file.php?dir=r&hl=100,200&ord=3&key=a+b+c'; If it were a url I could get value of hl by, say, $_GET['hl']. but how do I retrieve the same from $url string. Thanks.Read the article
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Getting rows which include a value with MySQL
- by sundowatch
I have a MySQL query which gets including some vars like that: messages TABLE receiver cols user1 rows : 1,3,5 user2 rows : 2,3 user3 rows : 1,4 I want to get rows which includes '3' value. So I will get 'user1' and 'user2'. I tried that but naturally it doesn't work. mysql_query("SELECT * FROM messages WHERE receiver='3'"); How can I do this?Read the article
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Jquery return value
- by Anton
I used a code: jQuery.fn.MyFunction = function(){ return this.each(function() { attributes = "test"; return attributes; });} But when I call var1 = $(this).MyFunction();alert(var1); I got an [object], but not the "test". How to allow jquery plugin return a some value?Read the article
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How to get the textbox value in php?
- by Nitz
On my page. i have one textbox and one button. -- on the button click event. -- one function will be called. Now, How to get that value of textbox and store in php variable? this should be done in that function which we will call on button click.Read the article
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getting rows which including a value with mysql
- by sundowatch
I have a mysq query which gets including some vars like that: messages TABLE receiver cols user1 rows : 1,3,5 user2 rows : 2,3 user3 rows : 1,4 I want to get rows which includes '3' value. So I will get 'user1' and 'user2'. I tried that but naturally it doesn't work. mysql_query("SELECT * FROM messages WHERE receiver='3'"); How can I do this?Read the article
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NULL value in :conditions =>
- by Horace Ho
Contract.all(:conditions => ['voided == ?', 0]).size => 364 Contract.all(:conditions => ['voided != ?', 0]).size => 8 Contract.all.size => 441 the 3 numbers does not added up (364 + 8 != 441). What's the proper way write the :conditions to count the rows which the voided column value is NULL or equal to zero?Read the article
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'Subquery returned more than 1 value' problem in EntityFramework
- by plotnick
I have one 'Transaction' entity object with 'Operations' navproperty with multiplicity of 'Many'. When I'm adding only one operation per transaction nothing happens, but when I'm trying to add more than one operation, db.SaveChanges() throws an exception like 'Subquery returned more than 1 value blah, blah, blah' How can I solve that? Help me guys please... BTW... Could you tell me how can I see the exact query string that EF passes to Sql Server on db.SaveChanges() method?Read the article
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mass replace of values in more tables by a highest value
- by nescius
Hello, I have a table with OWN_ID and OWN_Email - 3ace7cf80edd | [email protected] 3acf6af33ff7 | [email protected] 3acda2524e00 | [email protected] 3ad75583c9a7 | [email protected] 3ad74b018999 | [email protected] etc. the problem is that it should contain only a single ID per Email, also I need to replace all OWN_ID values in another table by highest OWN_ID value of the OWN_EmailRead the article
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HOW TO RETURN VALUE FROM FUNCTION? (c#)
- by Ole Jak
So... I want to return value when C# function is called. I need a code example (simple summ of a,b values will be ok) Please help I need something like this ( I know ActionScript so I will write in it): public function sum(valueA:int, valueB:int):int { var summ:int = valueA + valueB; return summ; } How to translate it into C#?Read the article
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Convert date/time string value to .NET DateTime
- by stighy
Hi guys, i've this string example value: Sun, 09 May 2010 11:16:35 +0200 I've to insert it into MySql Date/Time field. How can i convert it into .NET format (or Mysql format), so i can make my INSERT INTO mydate='2010-05-09 11:16:35' ? Thank you !Read the article
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How to enforce unique field value in java Google App Engine
- by supercobra
Hello there, I am try to find out how to enforce uniqueness in fields other than the unique id. Example: @PersistenceCapable(identityType = IdentityType.APPLICATION) public class User implements IsSerializable { @PrimaryKey @Persistent(valueStrategy = IdGeneratorStrategy.IDENTITY) private Long id; @Persistent private String name; @Persistent private String email; // <= I want this to be unique as well } In the example above, how can I enforce uniqueness of the email value across the database? DanielRead the article
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Getting single value from a single row with Mysql/PHP
- by Ghostrider
Often I just need to get a single value from MySQL that I know exists there. I use the following construct: $result = end(mysql_fetch_array(mysql_query('SELECT FOUND_ROWS()', $db))); Is there a proper single function in PHP that would do this?Read the article
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Textbox value changed
- by developer
Hi All, Is it possible to know if any of the textbox values have changed in the application. I have around 30 textboxes and I want to run a part of code only if, any of the textboxes value has changed out of the 30. Is there a way I can know that.Read the article
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for_each but for setting each element to a value in C++
- by Goose Bumper
I have the following code to assign a value to all the elements of a vector: x = 100; for (int i=0;i<vect.size();i++) { vect[i] = x; } It's straightforward enough, but I'm wondering if there is a function in the STL that does the same thing; something like for_each, but for assignment.Read the article
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JavaScript/jQuery removing character 160 from a node's text() value - Regex
- by tyndall
$('#customerAddress').text().replace(/\xA0/,"").replace(/\s+/," "); Going after the value in a span (id=customerAddress) and I'd like to reduce all sections of whitespace to a single whitespace. The /\s+/ whould work except this app gets some character 160's between street address and state/zip What is a better way to write this? this does not currently work.Read the article
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Best way to add the minus "-" front of decimal value
- by AlwaysBeCoding
I would like to ask how i should add the minus sign front of a decimal value. i want the user to add e.g. 100 and behind the scenes to convert it in -100 thank you.Read the article
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Retrieving the value of a concatenated variable within a Java FOR loop
- by Rajat
I have been using this "logic" in C++ and VB with success, but am tied up in Java... Simply put, public void DataProviderExample(String user, String pwd, String no_of_links, String link1, String link2, String link3) { for (int i=1;i<=no_of_links;i++) { String link = "link"+i; System.out.println(link); } Now, if the variables link1, link2 and link3 have a value of "X", "Y" and "Z" respectively, upon running this program, I get the following output - link1 link2 link3 What I want is - X Y Z Any ideas?Read the article
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C# - Check a bool for a value and then flip it
- by halivingston
for (int i = 0; i < X; i++) myitem = (checkedDB) ? dirtyItem : cleanItem; I wanted to know if there's a way of flipping checkedDB in the same statement, i.e. the next iteration checkedDB is the opposite of it's value, so like XORing.Read the article
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value of the expression in C#
- by picnic4u
what is out put of the following code int a=2,b=3,c=4; b=(c+2,a+4); Response.Write("Value of b= "+b);Read the article
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Appropriate data field type for true/false value?
- by Industrial
Hi everybody, What's the most appropriate (read least data consuming) data field to store a true/false/1/0 value in a mySQL database? I have previously used a one character long tinyint, but I am not sure if it's the best solution? Thanks!Read the article
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MySQL greatest value in row?
- by noryb009
Hi! I'm using MySQL with PHP. This is like my table: (I'm using 3 values, but there are more) id | 1 | 2 | 3 1 | 3 |12 |-29 2 | 5 |8 |8 3 | 99|7 |NULL I need to get the greatest value in a certain row. If should get: (id - output) (1 - 2), (2-2), (3-1). Is there any queries for this? I've been trying, but I can't get it to work right.Read the article
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Create Oracle Function by checking increment value
- by Atul
How to check in Oracle Function whether value is increasing in particular field for last 3 year or not. Suppose one table is company and if we want to consider only values if profit of past 3 year of company is in increasing manner.Read the article
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DataBaseGrid->Fields[2]->Value on Previous Row
- by nCdy
how to get DataBaseGrid-Fields[2]-Value on Previous Row ? for examole 1 2 3 1 2 4 1 2 5 my selected tow is 1 2 4 , and I want to get 3 :/ Maybe change selected index manually ?Read the article
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passing a variable by value using php
- by PHP-Prabhu
can any one please tell me how to pass a variable as/by value? what i did a mistake on the below code, its shows an parse error $a = &$$bRead the article
