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Copy rows from one Datatable to another DataTable?
...et = dtSource.Clone();
DataRow[] rowsToCopy;
rowsToCopy = dtSource.Select("key='" + matchString + "'");
foreach (DataRow temp in rowsToCopy)
{
dtTarget.ImportRow(temp);
}
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What makes a keychain item unique (in iOS)?
...ws (derived from open source files from Apple, see Schema.m4, KeySchema.m4 and SecItem.cpp):
For a keychain item of class kSecClassGenericPassword, the primary key is the combination of
kSecAttrAccount and kSecAttrService.
For a keychain item of class kSecClassInternetPassword, the primary key is...
Regex group capture in R with multiple capture-groups
...he capture group:
However, in order for this to work, you must explicitly select elements outside your capture group as mentioned in the gsub() help.
(...) elements of character vectors 'x' which are not substituted will be returned unchanged.
So if your text to be selected lies in the mi...
Disable Automatic Reference Counting for Some Files
...t messages by any means (including timers and delayed performs, which use @selector) is banned in ARC code. So you can't do non-ARC in an ARC class (because the necessary messages are banned) and you can't do ARC in a non-ARC class (because ARC adds syntax elements that are invalid without ARC).
Th...
What is the maximum amount of RAM an app can use?
...quite curious about this question concerning the memory management of the Android operating system so I hope for a quite detailed answer on that topic.
...
Check if a div exists with jquery [duplicate]
...myDiv.length){
//you can now reuse $myDiv here, without having to select it again.
}
});
A selector always returns a jQuery object, so there shouldn't be a need to check against null (I'd be interested if there is an edge case where you need to check for null - but I don't think the...
How to use enum values in f:selectItem(s)
I want to make a selectOneMenu dropdown so I can select a status on my question. Is it possible to make the f:selectItem more flexible considering what happens if the order of the enums changes, and if the list was large? And could I do this better? And is it possible to automatically "select" the i...
Difference between std::system_clock and std::steady_clock?
What is the difference between std::system_clock and std::steady_clock ? (An example case that illustrate different results/behaviours would be great).
...
How to use ArrayAdapter
... mAdapter.add("Item " + i);
}
// And if you want selection feedback:
list.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
//...
How to delete files older than X hours
...
For SunOS 5.10
Example 6 Selecting a File Using 24-hour Mode
The descriptions of -atime, -ctime, and -mtime use the ter-
minology n ``24-hour periods''. For example, a file accessed
at 23:59 is selected by:
example% find . -atime -1 -print...