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What is the AppDelegate for and how do I know when to use it?
...onality by "area of concern".
A delegate object is an object that gets notified when the object to which it is connected reaches certain events or states. In this case, the Application Delegate is an object which receives notifications when the UIApplication object reaches certain states. In many r...
SQL Server Configuration Manager not found
...
If you happen to be using Windows 8 and up, here's how to get to it:
The newer Microsoft SQL Server Configuration Manager is a snap-in for
the Microsoft Management Console program.
It is not a stand-alone
program as used i...
datetime.parse and making it work with a specific format
...ure of the operation - I'm still on .Net 1.1, so I often forget this one.
If you need to parse other formats, you can check out the Standard DateTime Format Strings.
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Accessing outside variable using anonymous function as params
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@machineaddict The basic use is early binding - if you mean workaround for late binding - you would pass the variable through use by reference - using & => use (&$result) and alter $result variable before you call the anonymous function (or something, that calls...
jQuery ID starts with
...
A word of warning: this selector doesn't work if the 'value' is an HTML element, as I found out the hard way when my IDs for list items all started with 'li'. The solution was to start them with 'li_'
– Tim Dawson
Jun 28 at 12:37
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How to break out of a loop in Bash?
...
It's not that different in bash.
done=0
while : ; do
...
if [ "$done" -ne 0 ]; then
break
fi
done
: is the no-op command; its exit status is always 0, so the loop runs until done is given a non-zero value.
There are many w...
Use JSTL forEach loop's varStatus as an ID
...ject, not an int. Use:
<div id="divIDNo${theCount.index}">
To clarify:
${theCount.index} starts counting at 0 unless you've set the begin attribute
${theCount.count} starts counting at 1
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How do I make a placeholder for a 'select' box?
...alidation (required attribute) to work around having the "placeholder", so if the option isn't changed, but is required, the browser should prompt the user to choose an option from the list.
Update (July 2015):
This method is confirmed working in the following browsers:
Google Chrome - v.43.0.23...
SQL Server: SELECT only the rows with MAX(DATE)
...
If rownumber() over(...) is available for you ....
select OrderNO,
PartCode,
Quantity
from (select OrderNO,
PartCode,
Quantity,
row_number() over(partition by OrderNO orde...
获取文件系统映像及恢复删除的数据（FAT文件系统格式描述） - C/C++ - 清泛...
...L, DIGCF_PRESENT); //getting all devices with a removable disk guid
if ( INVALID_HANDLE_VALUE == hDevInfo )
{
return devInfos;//exit if there are no devices
}
try
{
std::wstring name;
RemovableDeviceInfo ...