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Multiple Updates in MySQL
... another useful option is not yet mentioned:
UPDATE my_table m
JOIN (
SELECT 1 as id, 10 as _col1, 20 as _col2
UNION ALL
SELECT 2, 5, 10
UNION ALL
SELECT 3, 15, 30
) vals ON m.id = vals.id
SET col1 = _col1, col2 = _col2;
...
Android - Emulator in landscape mode, screen does not rotate
...
In my case the Skin option in AVD settings was the problem. When I selected "No skin", it worked.
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How to add a separator to a WinForms ContextMenu?
...er. I'm using VS 2012. You can add a separator via the forms designer.
1) Select/Create a MenuStrip.
2) On "Type Here", right mouse.
3) Select "Insert".
4) Select "Separator".
5) Drag the new separator to the text you want it to be above.
Done.
...
Nesting await in Parallel.ForEach
..., "2", "3", "4", "5", "6", "7", "8", "9", "10" };
var customerTasks = ids.Select(i =>
{
ICustomerRepo repo = new CustomerRepo();
return repo.GetCustomer(i);
});
var customers = await Task.WhenAll(customerTasks);
foreach (var customer in customers)
{
Console.WriteLine(customer.ID);...
Convert dictionary to list collection in C#
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To convert the Keys to a List of their own:
listNumber = dicNumber.Select(kvp => kvp.Key).ToList();
Or you can shorten it up and not even bother using select:
listNumber = dicNumber.Keys.ToList();
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Update Item to Revision vs Revert to Revision
...ision will undo all changes in your working copy which were made after the selected revision (in your example rev. 96,97,98,99,100)
Your working copy is now in modified state.
The file content of both scenarions is same, however in first case you have an unmodified working copy and you cannot comm...
How to paste yanked text into the Vim command line
...nto your buffer.
Let's decompose: " is a Normal mode command that lets you select what register is to be used during the next yank, delete or paste operation. So ": selects the colon register (storing last command). Then p is a command you already know, it pastes the contents of the register.
cf. :...
jQuery empty() vs remove()
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empty() will empty the selection of its contents, but preserve the selection itself.
remove() will empty the selection of its contents and remove the selection itself.
Consider:
<div>
<p><strong>foo</strong></p>
&...
Storyboard warning: prototype table cells must have reuse identifiers
...me to this one:
<tableViewCell contentMode="scaleToFill" selectionStyle="blue" accessoryType="disclosureIndicator" hidesAccessoryWhenEditing="NO" indentationLevel="1" indentationWidth="0.0" reuseIdentifier="GenericCellID" id="kBr-Qn-Tki">
Please pay your attention on reuseIden...
When should I use a table variable vs temporary table in sql server?
... source for the data inserted to the table is from a potentially expensive SELECT statement then consider that using a table variable will block the possibility of this using a parallel plan.
If you need the data in the table to survive a rollback of an outer user transaction then use a table variab...