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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
... result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'.
ExecuteReader is used for any result set with multiple rows/columns (e.g., SELECT col1, col2 from sometable).
ExecuteNonQuery is typically used for SQL statements without results (e.g., UPDATE, INSERT,...
Java: Literal percent sign in printf statement
...aped using a percent sign:
System.out.printf("%s\t%s\t%1.2f%%\t%1.2f%%\n",ID,pattern,support,confidence);
The complete syntax can be accessed in java docs. This particular information is in the section Conversions of the first link.
The reason the compiler is generating an error is that only a l...
jQuery - add additional parameters on submit (NOT ajax)
...
This one did it for me:
var input = $("<input>")
.attr("type", "hidden")
.attr("name", "mydata").val("bla");
$('#form1').append(input);
is based on the Daff's answer, but added the NAME attribute ...
Validate that end date is greater than start date with jQuery
How do I check/validate in jQuery whether end date [textbox] is greater than start date [textbox]?
15 Answers
...
Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
I have been looking for some time now for a solution to my sticky sidebar problem. I have a specific idea of how I would like it to act; effectively, I would like it to stick to the bottom as you scroll down, and then as soon as you scroll back up I would like it to stick to the top, in a fluid moti...
Why static classes cant implement interfaces? [duplicate]
...er than SqlRepository as a static class, we use AutoFac for injection and hide the container behind a static class. Then each entity has a static repository property:
public class Part : inheritence...
{
public static IPartRepository Repository
{
get { return IoCContainer.GetInstanc...
How does Google Instant work?
...omeone else\\x26#39;s PHP function that works fine as long as I pass it at least three arguments. If I pass it two argument, \\x3cb\\x3e...\\x3c/b\\x3e\\x3cbr\\x3e\\x3cspan class\\x3df\\x3e\\x3ccite\\x3e\\x3cb\\x3estackoverflow\\x3c/b\\x3e.com/questions\\x3c/cite\\x3e - \\x3cspan class\\x3dgl\\x3e\\...
Django “login() takes exactly 1 argument (2 given)” error
I'm trying to store the user's ID in the session using django.contrib.auth.login . But it is not working not as expected.
3...
What causes imported Maven project in Eclipse to use Java 1.5 instead of Java 1.6 by default and how
...r-plugin appropriately, as I already suggested:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.1</version>
<configuration>
<source>1.6</source>
<target>1...
How to change position of Toast in Android?
...an x-position offset, and a y-position offset.
For example, if you decide that the toast should appear in the
top-left corner, you can set the gravity like this:
toast.setGravity(Gravity.TOP|Gravity.LEFT, 0, 0);
If you want to nudge the position to the right, increase the value of
th...