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Which MySQL datatype to use for an IP address? [duplicate]
I want to get the IP address from $_SERVER['REMOTE_ADDR'] and some other $_SERVER variables, which datatype is the right one for this?
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
... # change this to desired chunk size
for page in range(1, paginator.num_pages + 1):
for row in paginator.page(page).object_list:
# here you can do whatever you want with the row
print "done processing page %s" % page
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How to create an HTML button that acts like a link?
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32 Answers
32
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Checking for an empty field with MySQL
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Nikolay Ivanov
4,29511 gold badge2323 silver badges2020 bronze badges
answered Feb 24 '10 at 15:19
YadaYada
26.7...
ORA-30926: unable to get a stable set of rows in the source tables
...ates in the query specified in USING clause. This probably means that TABLE_A is a parent table and the same ROWID is returned several times.
You could quickly solve the problem by using a DISTINCT in your query (in fact, if 'Y' is a constant value you don't even need to put it in the query).
Assu...
How to convert wstring into string?
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32
The std::wstring_convert from C++11 wraps up a lot of this noise.
– Cubbi
Sep 27 '11 at 19:34
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Python 3 turn range to a list
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You can just construct a list from the range object:
my_list = list(range(1, 1001))
This is how you do it with generators in python2.x as well. Typically speaking, you probably don't need a list though since you can come by the value of my_list[i] more efficiently (i + 1), and...
Custom thread pool in Java 8 parallel stream
...gt;
// Parallel task here, for example
IntStream.range(1, 1_000_000).parallel()
.filter(PrimesPrint::isPrime)
.boxed().collect(Collectors.toList())
).get();
System.out.println(primes);
} catch (InterruptedException | ExecutionException e) {
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Remove non-ascii character in string
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
ASP.NET MVC 3: Override “name” attribute with TextBoxFor
...ame, use Name:
@Html.TextBoxFor(x => x.Data, new { Name = Model.Key + "_Data", id = Model.Key + "_Data" })
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