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How can I easily convert DataReader to List? [duplicate]
...er then most hand written code as well, so do consider the “high road” if you are doing this a lot.
See "A Defense of Reflection in .NET" for one example of this.
You can then write code like
class CustomerDTO
{
[Field("id")]
public int? CustomerId;
[Field("name")]
public ...
Amazon Interview Question: Design an OO parking lot [closed]
...ull, empty and also be able to find spot for Valet parking. The lot has 3 different types of parking: regular, handicapped and compact.
...
How to declare a local variable in Razor?
...:
@{bool isUserConnected = string.IsNullOrEmpty(Model.CreatorFullName);}
@if (isUserConnected)
{ // meaning that the viewing user has not been saved so continue
<div>
<div> click to join us </div>
<a id="login" href="javascript:void(0);" style="display: inli...
How can I check if a background image is loaded?
...on't think there's such a thing as browser memory where assets are stored. If you're referring to cache, remember that you're adding an extra HTTP request and all clients might not have cache enabled.
– HyderA
Feb 20 '11 at 17:09
...
HTML text-overflow ellipsis detection
...he idea is that you clone the element, remove any bounding width, and test if the cloned element is wider than the original. If so, you know it's going to have been truncated.
For example, using jQuery:
var $element = $('#element-to-test');
var $c = $element
.clone()
.css({di...
How to reload page every 5 seconds?
...I add the script, reload the whole page every 5 seconds (or some other specific time).
11 Answers
...
bash: Bad Substitution
...points to dash, not bash.
me@pc:~$ readlink -f $(which sh)
/bin/dash
So if you chmod +x your_script_file.sh and then run it with ./your_script_file.sh, or if you run it with bash your_script_file.sh, it should work fine.
Running it with sh your_script_file.sh will not work because the hashbang l...
Adding :default => true to boolean in existing Rails column
...of ActiveRecord::Migration, so you can't call it like that in the console.
If you want to add a default value for this column, create a new migration:
rails g migration add_default_value_to_show_attribute
Then in the migration created:
# That's the more generic way to change a column
def up
change...
What is the Oracle equivalent of SQL Server's IsNull() function?
In SQL Server we can type IsNull() to determine if a field is null. Is there an equivalent function in PL/SQL?
4 Answers...
How to empty (“truncate”) a file on linux that already exists and is protected in someway?
...ror looks like it's from csh, so you would do:
cat /dev/null >! file
If I'm wrong and you are using bash, you should do:
cat /dev/null >| file
in bash, you can also shorten that to:
>| file
share
|
...