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Saving enum from select in Rails 4.1
...date_or_create
change_enum_to_i
....
end
def change_enum_to_i
params[:f]["color"] = params[:f]["color"].to_i
end
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How to get the last value of an ArrayList
...Returns the first item in the given list, or null if not found.
*
* @param <T> The generic list type.
* @param list The list that may have a first item.
*
* @return null if the list is null or there is no first item.
*/
public static <T> T getFirst( final List<T>...
What are your favorite extension methods for C#? (codeplex.com/extensionoverflow)
...
public static bool In<T>(this T source, params T[] list)
{
if(null==source) throw new ArgumentNullException("source");
return list.Contains(source);
}
Allows me to replace:
if(reallyLongIntegerVariableName == 1 ||
reallyLongIntegerVariableName == 6 ||
...
curl POST format for CURLOPT_POSTFIELDS
... following the filename with the type in the format ';type=mimetype'. This parameter can either be passed as a urlencoded string like 'para1=val1&para2=val2&...' or as an array with the field name as key and field data as value. If value is an array, the Content-Type header will be set to mu...
What are the new documentation commands available in Xcode 5? [closed]
...n) {
NSLog(@"Hello");
doSomething();
}@endcode
Last line text.
@param param param text
@tparam tparam tparam text
*/
- (void)myMethod {}
Notes:
The commands must be in a /** block */, /*! block */, or prefixed with /// or //!.
The commands work with the @ (headerdoc style) or the \...
How to create a jQuery function (a new jQuery method or plugin)?
...be done much more easily by just passing the selector to the function as a parameter. Your code would look something like this:
function myFunction($param) {
$param.hide(); // or whatever you want to do
...
}
myFunction($('#my_div'));
Note that the $ in the variable name $param is not req...
windows异常处理 __try __except - C/C++ - 清泛网 - 专注C/C++及内核技术
...UTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
}
UINT WINAPI ThreadFunc(LPVOID param)
{
__try
{
// guarded code
}
__except (FilterFunc(GetExceptionCode()))
{
// 如果是栈溢出，进行处理。
}
return TRUEt;
}
except参数的值有以下三种：
EX...
How to verify a user's password in Devise
... is a better, and more elegant way of doing it:
user = User.find_by_email(params[:user][:email])
user.valid_password?(params[:user][:password])
The other method where you generate the digest from the user instance was giving me protected method errors.
...
PHP parse/syntax errors; and how to solve them
... ⇓
$var = array("1" => $val, $val2, $val3 $val4);
Or functions parameter lists:
⇓
function myfunc($param1, $param2 $param3, $param4)
Equivalently do you see this with list or global statements, or when lacking a ; semicolon in a for loop.
Class decla...
How to assign an exec result to a sql variable?
...s back error status. If you need to pass back one value I'd use an output parameter.
sample stored procedure, with an OUTPUT parameter:
CREATE PROCEDURE YourStoredProcedure
(
@Param1 int
,@Param2 varchar(5)
,@Param3 datetime OUTPUT
)
AS
IF ISNULL(@Param1,0)>5
BEGIN
SET ...