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MySQL show status - active or total connections?
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In order to check the maximum allowed connections, you can run the following query:
SHOW VARIABLES LIKE "max_connections";
To check the number of active connections, you can run the following query:
SHOW VARIABLES LIKE "max_...
What does the plus sign do in '+new Date'
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Generating file to download with Django
... urllib
def random_header_image(request):
header = PageHeader.objects.order_by('?')[0]
image = StringIO(file(header.image.path, "rb").read())
mimetype = mimetypes.guess_type(os.path.basename(header.image.name))[0]
return HttpResponse(image.read(), mimetype=mimetype)
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Android and setting width and height programmatically in dp units
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Validate that end date is greater than start date with jQuery
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@Cros jQuery.validator.addMethod("zip_code_checking", function(value, element) { return jQuery('#zip_endvalue').val() > jQuery('#zip_startvalue').val() }, "* Zip code end value should be greater than Zip code start value");
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Generate a random letter in Python
...+ 26). random.randrange() is exclusive on its upper bound, meaning that in order to get the whole range of characters 97 - 122, the argument passed must be 123.
– Kieran Moynihan
Apr 4 '19 at 17:52
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Find (and kill) process locking port 3000 on Mac
...TERM (or just kill) before kill -QUIT. Not every process is going to do an orderly shutdown on SIGQUIT.
– craig65535
Jan 21 at 0:09
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Java Serializable Object to Byte Array
... answered May 15 '18 at 7:06
gzg_55gzg_55
4122 bronze badges
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
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@Brian: not with that magic + sign! ¯\_(ツ)_/¯
– jAndy
Aug 2 '11 at 11:33
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Conversion from Long to Double in Java
...to do this (now edited out of the answer) will degrade performance by many orders of magnitude. Boxing is less expensive but still worth avoiding, especially in cases like this (using new) where it can't be elided away.
– Joe Kearney
Sep 16 '10 at 9:42
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