大约有 40,000 项符合查询结果(耗时:0.0361秒) [XML]
How can I check if a string represents an int, without using try/except?
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You have to test for BOTH cases: lambda s: s.isdigit() or (s.startswith('-') and s[1:].isdigit())
– rob
Aug 12 '09 at 13:39
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How do you use gcc to generate assembly code in Intel syntax?
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Have you tried this?
gcc -S -masm=intel test.c
Untested, but I found it in this forum where someone claimed it worked for them.
I just tried this on the mac and it failed, so I looked in my man page:
-masm=dialect
Output asm instructions using selecte...
python: How do I know what type of exception occurred?
... interpreter prints exception:
Traceback (most recent call last):
File "test.py", line 9, in <module>
calculate()
File "test.py", line 6, in calculate
raise CustomException("hi")
__main__.CustomException: hi
After raise original exception continues to propagate further up the ca...
class
...a single object.
Example:
class SomeClass
class << self
def test
end
end
end
test_obj = SomeClass.new
def test_obj.test_2
end
class << test_obj
def test_3
end
end
puts "Singleton's methods of SomeClass"
puts SomeClass.singleton_methods
puts '-----------------------...
How do I pass a method as a parameter in Python
...e is your example re-written to show a stand-alone working example:
class Test:
def method1(self):
return 'hello world'
def method2(self, methodToRun):
result = methodToRun()
return result
def method3(self):
return self.method2(self.method1)
test = Tes...
When to use MyISAM and InnoDB? [duplicate]
... reads were typically almost twice as fast as InnoDB. It's always best to test with your own real data and environment when possible.
– orrd
Jul 27 '16 at 19:56
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Python List vs. Array - when to use?
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Actually, I did a quick test - I timed summing a list with 100M entries and the same test with the corresponding array, and the list was actually about 10% faster.
– Moe
Oct 6 '08 at 20:45
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How do I change the language of moment.js?
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Fastest method: Install with Bower
I just installed moment with bower and linked de.js as javascript resource in my html project.
bower install moment --save
You can also manually download the moment.js and de.js.
Link 'de...
Get element inside element by class and ID - JavaScript
...dNodes.length; i ++) {
childNode = fooDiv.childNodes[i];
if (/bar/.test(childNode.className)) {
childNode.innerHTML = "Goodbye world!";
}
}
share
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improve this answer
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Escape double quotes in a string
...atim string literals as you have, or escape the " using backslash.
string test = "He said to me, \"Hello World\" . How are you?";
The string has not changed in either case - there is a single escaped " in it. This is just a way to tell C# that the character is part of the string and not a string ...
