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MySQL Error 1093 - Can't specify target table for update in FROM clause
... criteria. This will cause MySQL to see the table as two different things, allowing destructive changes to go ahead.
UPDATE tbl AS a
INNER JOIN tbl AS b ON ....
SET a.col = b.col
Alternatively, try nesting the subquery deeper into a from clause ...
If you absolutely need the subquery, there's a ...
Are database triggers evil? [closed]
... (sometimes with finer granularity than you can get declaratively); and usually not for business or transactional purposes. YMMV.
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How to identify whether a file is normal file or directory
...ases. Use os.path.islink() for symlinks for instance. Furthermore, these all return False if the file does not exist, so you'll probably want to check with os.path.exists() as well.
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Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)
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because the call to GetArticleDAO from the factory returns ArticleDAO not IArticleDAO, b/c articleDAO also binds to an abstract class that has nhibernate stuff in it.
– mrblah
Dec 25 '09 at 21:57
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Concatenate a vector of strings/character
... Just a note that if sdata can contain either strings which are all of the same length or of variable lengths then paste(sdata, sep = '', collapse = '') should be used to avoid unexpected results.
– zelanix
Jan 19 '14 at 22:03
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How do I programmatically determine if there are uncommitted changes?
...ing git diff once solves the issue (surprisingly enough, git diff does actually change the content of the sandbox, meaning here .git/index)
These timestamp issues can also occur if git is running in docker.
Original answer:
"Programmatically" means never ever rely on porcelain commands.
Always rel...
Choose between ExecutorService's submit and ExecutorService's execute
...g the task to be invoked. The default UncaughtExceptionHandler, which typically prints the Throwable stack trace to System.err, will be invoked if no custom handler has been installed.
On the other hand, a Throwable generated by a task queued with submit() will bind the Throwable to the Future that...
Android ViewPager - Show preview of page on left and right
... viewPager.setClipToPadding(false);
// set padding manually, the more you set the padding the more you see of prev & next page
viewPager.setPadding(40, 0, 40, 0);
// sets a margin b/w individual pages to ensure that there is a gap b/w them
...
Check if a dialog is displayed with Espresso
..., based on text with id
onView(withId(R.id.myDialogTextId)).check(matches(allOf(withText(myDialogText), isDisplayed()));
To click on dialogs button do this (button1 - OK, button2 - Cancel):
onView(withId(android.R.id.button1)).perform(click());
UPDATE
I think is possible since Espresso has mult...
Can I add extension methods to an existing static class?
...lass (or facade) that implements the same signature and defers the actual call to the real ConfigurationManager. You can add whatever method you want to the wrapper class so it doesn't need to be an extension.
– tvanfosson
Feb 18 '10 at 18:35
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