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How can I run a PHP script in the background after a form is submitted?
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Doing some experimentation with exec and shell_exec I have uncovered a solution that worked perfectly! I choose to use shell_exec so I can log every notification process that happens (or doesn't). (shell_exec returns as a str...
Why does “return list.sort()” return None, not the list?
I've been able to verify that the findUniqueWords does result in a sorted list . However, it does not return the list. Why?
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How do I set the path to a DLL file in Visual Studio?
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Is there a similar way to do for Release build too?
– Narek
Nov 22 '17 at 9:50
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How do I pronounce “=>” as used in lambda expressions in .Net
...For example,
Func f = x => x * 2;
Func test = c => c.City == "London";
reads as "x becomes x * 2" and "c for which c.City equals London"
As far as 'goes to' - that's never made sense to me. 'p' isn't going anywhere.
In the case of reading code to someone, say, over the phone, then as ...
Simple way to calculate median with MySQL
...way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but surely there must be some simple way of doing it in a single MySQL query.
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Why does this async action hang?
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Yep, that's a deadlock all right. And a common mistake with the TPL, so don't feel bad.
When you write await foo, the runtime, by default, schedules the continuation of the function on the same SynchronizationContext that the method started on. In English, let's say you called your ExecuteAsync ...
Key existence check in HashMap
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Do you ever store a null value? If not, you can just do:
Foo value = map.get(key);
if (value != null) {
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} else {
// No such key
}
Otherwise, you could just check for existence if you get a null value returned:
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Why do I get “Procedure expects parameter '@statement' of type 'ntext/nchar/nvarchar'.” when I try t
Why do I get this error
3 Answers
3
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You can't specify target table for update in FROM clause
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The problem is that MySQL, for whatever inane reason, doesn't allow you to write queries like this:
UPDATE myTable
SET myTable.A =
(
SELECT B
FROM myTable
INNER JOIN ...
)
That is, if you're doing an UPDATE/INSERT/DELETE on a table, you can't reference that table ...
“User interaction is not allowed” trying to sign an OSX app using codesign
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just a note that in addition to this you have to do the whole security unlock-keychain stuff, too
– cwd
Sep 17 '14 at 0:30
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