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Best way to get identity of inserted row?
...e variable/temp table and then query that) and it gives results even in an error scenario where the statement is rolled back. That said, if your query uses a parallel execution plan, this is the only guaranteed method for getting the identity (short of turning off parallelism). However, it is execu...
Capture HTML Canvas as gif/jpg/png/pdf?
...s-domain resources in rendering your canvas, you will encounter a security error when you try to use the toDataUrl method.
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Comparing two NumPy arrays for equality, element-wise
... the same shape and aren't broadcastable, then this approach will raise an error.
In conclusion, if you have a doubt about A and B shape or simply want to be safe: use one of the specialized functions:
np.array_equal(A,B) # test if same shape, same elements values
np.array_equiv(A,B) # test if ...
CentOS 64 bit bad ELF interpreter
...'m trying to install a 32-bit application on a 64-bit machine and got this error:
8 Answers
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Spring Boot not serving static content
...xample I have a profile for release that use another IP address. I get 404 error for all of my resources.
– Mahdi
Jul 16 '17 at 11:41
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Is Ruby pass by reference or by value?
@user object adds errors to the lang_errors variable in the update_lanugages method.
when I perform a save on the @user object I lose the errors that were initially stored in the lang_errors variable.
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How do I delete a Git branch locally and remotely?
... is not merge with master and ran 'git branch -d your_branch then you will error like error: The branch 'your_branch' is not fully merged. If you are sure you want to delete it, run 'git branch -D your_branch'.
– geeks
Oct 31 '15 at 12:59
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关于php的socket初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...(__CLASS__, 'ev_read'), array(__CLASS__, 'ev_write'), array(__CLASS__, 'ev_error'), $id);
event_buffer_base_set($buffer, $base);
event_buffer_timeout_set($buffer, 30, 30);
event_buffer_watermark_set($buffer, EV_READ, 0, 0xffffff);
event_buffer_priority_set($buffer, 10);
event_buffer_enable...
What REST PUT/POST/DELETE calls should return by a convention?
... true that idempotent doesn't necessarily imply the same response)
Other errors:
400 Bad Request (Malformed syntax or a bad query is strange but possible).
401 Unauthorized Authentication failure
403 Forbidden: Authorization failure or invalid Application ID.
405 Not Allowed. Sure.
409 Resource C...
Declaring variables inside loops, good practice or bad practice?
...ble scope is limited to inside the loop, and therefore will issue a proper error message if the variable is by mistake referenced elsewhere.
Last but not least, some dedicated optimization can be performed more efficiently by the compiler (most importantly register allocation), since it knows that t...