大约有 43,200 项符合查询结果（耗时：0.0420秒） [XML]
How can I add a boolean value to a NSDictionary?
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157
You use NSNumber.
It has init... and number... methods that take booleans, just as it does in...
How to get equal width of input and select fields
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136
Updated answer
Here is how to change the box model used by the input/textarea/select elements...
Twig ternary operator, Shorthand if-then-else
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answered Aug 5 '12 at 21:51
Ben SwinburneBen Swinburne
21.2k55 gold badges5252 silver badges9393 bronze badges
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MongoDB, remove object from array
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142
try..
db.mycollection.update(
{'_id': ObjectId("5150a1199fac0e6910000002")},
{ $pull...
Which is the correct C# infinite loop, for (;;) or while (true)? [closed]
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124
while(true)
{
}
Is always what I've used and what I've seen others use for a loop that has ...
What are the options for storing hierarchical data in a relational database? [closed]
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71
My favorite answer is as what the first sentence in this thread suggested. Use an Adjacency Lis...
All possible array initialization syntaxes
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16 Answers
16
Active
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How to reference a file for variables using Bash?
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answered Mar 8 '11 at 4:50
EzraEzra
6,87411 gold badge1919 silver badges2727 bronze badges
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Sorting Python list based on the length of the string
...len(y)))
Note that cmp is a builtin function such that cmp(x, y) returns -1 if x is less than y, 0 if x is equal to y, and 1 if x is greater than y.
Of course, you can instead use the key parameter:
xs.sort(key=lambda s: len(s))
This tells the sort method to order based on whatever the key functio...
LINQ Ring: Any() vs Contains() for Huge Collections
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143
Contains() is an instance method, and its performance depends largely on the collection itself...