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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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a = 'alo\n123"'
a = "alo\n123\""
a = '\97lo\10\04923"'
a = [[alo
123"]]
C语言中的NULL在Lua中是nil，比如你访问一个没有声明过的变量，就是nil，比如下面的v的值就是nil
...
Checking if object is empty, works with ng-show but not from controller?
...wered May 8 '14 at 22:21
testing123testing123
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...
Check if multiple strings exist in another string
...
You need to iterate on the elements of a.
a = ['a', 'b', 'c']
str = "a123"
found_a_string = False
for item in a:
if item in str:
found_a_string = True
if found_a_string:
print "found a match"
else:
print "no match found"
...
Is there a constraint that restricts my generic method to numeric types?
...
Mark Amery
98.8k4848 gold badges336336 silver badges379379 bronze badges
answered Mar 15 '14 at 14:30
Jeroen Van...
FormData.append(“key”, “value”) is not working
...
RudieRudie
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How do I run Asynchronous callbacks in Playground
...swered Nov 25 '16 at 10:58
bradd123bradd123
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...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
...answered Sep 4 '13 at 6:39
kumar123kumar123
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How to get the last character of a string in a shell?
...wered Jul 16 '15 at 9:20
mr.baby123mr.baby123
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...
RegEx for Javascript to allow only alphanumeric
...ou wanted to return a replaced result, then this would work:
var a = 'Test123*** TEST';
var b = a.replace(/[^a-z0-9]/gi,'');
console.log(b);
This would return:
Test123TEST
Note that the gi is necessary because it means global (not just on the first match), and case-insensitive, which is why I ...
How do I fetch a single model in Backbone?
...ers with the hashbang in your URL like so, http://www.mydomain.com/#clocks/123 , but it should work even if you haven't yet.
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