大约有 15,208 项符合查询结果（耗时：0.0340秒） [XML]
Fastest way to count exact number of rows in a very large table?
...er to use on a table that is not being written to because it allows "dirty reads". Don't advise people to use that hint unless they fully understand the consequences
– Davos
Jan 28 '13 at 22:55
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Extracting substrings in Go
I'm trying to read an entire line from the console (including whitespace), then process it. Using bufio.ReadString, the newline character is read together with the input, so I came up with the following code to trim the newline character:
...
What's the difference between and , and ?
...eans nothing to a blind person. On mobile phones
and other PDAs, text is already bold because screen resolution is very small. You can't bold a bold without screwing something up.
<b> is a style - we know what "bold" is supposed to look like.
<strong> however is an indication of how so...
Java8 Lambdas vs Anonymous classes
...gle-element array hack. Just don't try to use your counter from multiple threads. If you're going to allocate something on the heap and capture it in a lambda, you might as well use an AIC and add a field that you can mutate directly. Using a lambda this way can work, but why bother when you can use...
how to unit test file upload in django
...(0)
if not storage:
return data
image_file = ContentFile(data.read())
return storage.save(filename, image_file)
class UploadImageTests(TestCase):
def setUp(self):
super(UploadImageTests, self).setUp()
def test_valid_form(self):
'''
valid post data shoul...
How to include a font .ttf using CSS?
...at('truetype'); /* Chrome 4+, Firefox 3.5, Opera 10+, Safari 3—5 */
}
Read more here : http://css-tricks.com/snippets/css/using-font-face/
Look for browser support : Can I Use fontface
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How to Deserialize XML document
...r, Make and Model values are elements, not attributes. Also I removed the reader.ReadToEnd(); (that function reads the whole stream and returns a string, so the Deserialize() function couldn't use the reader anymore...the position was at the end of the stream). I also took a few liberties with the...
How to install Xcode Command Line Tools
...9 Downloads preference pane (and if so whether the absence means they're already installed).
– orome
Oct 27 '13 at 20:12
4
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Use of Initializers vs Constructors in Java
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Just to add to some already excellent points here. The static initializer is thread safe. It is executed when the class is loaded, and thus makes for simpler static data initialization than using a constructor, in which you would need a synchroni...
Query EC2 tags from within instance
...'s the API documentation. Is there no tool that I can use, or do I need to read the API documentation and write my own tool?
– Edward Falk
Apr 8 '12 at 19:33
3
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