大约有 40,000 项符合查询结果（耗时：0.1026秒） [XML]
How can I add or update a query string parameter?
... @JarónBarends - Tweak value check to check against undefined and null to allow setting 0 values
Third Update
There was a bug where removing a querystring variable directly before a hashtag would lose the hashtag symbol which has been fixed
Fourth Update
Thanks @rooby for pointing out a regex o...
How to avoid “cannot load such file — utils/popen” from homebrew on OSX
...s/Current
This will force Homebrew to use Ruby 1.8 from the system's installation.
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How do the major C# DI/IoC frameworks compare? [closed]
...Core (site is German)
LinFu
Ninject
Petite
Simple Injector (the fastest of all contestants)
Spring.NET
StructureMap
Unity
Windsor
Hiro
Here is a quick summary from the post:
Conclusion
Ninject is definitely the slowest container.
MEF, LinFu and Spring.NET are faster than Ninject, but still pretty
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Why shouldn't Java enum literals be able to have generic type parameters?
Java enums are great. So are generics. Of course we all know the limitations of the latter because of type erasure. But there is one thing I don't understand, Why can't I create an enum like this:
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How would you make a comma-separated string from a list of strings?
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",".join(l) will not work for all cases. I'd suggest using the csv module with StringIO
import StringIO
import csv
l = ['list','of','["""crazy"quotes"and\'',123,'other things']
line = StringIO.StringIO()
writer = csv.writer(line)
writer.writerow(l)
csv...
How to get all groups that a user is a member of?
... returns members of a specific group. Is there a cmdlet or property to get all the groups that a particular user is a member of?
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Sorting a tab delimited file
...u probably want
sort -k4nr file.txt
to sort file.txt by column 4 numerically in reverse order. (Though the data in the question has even 5 fields so the last field would be index 5.)
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Why does the default parameterless constructor go away when you create one with parameters
...ass, I most likely want to be able to instantiate that class. In order to allow that, the compiler must add a parameterless constructor, which will have no effect but to allow instantiation. This means that I don't have to include an empty constructor in my code just to make it work.
If I've defin...
Can an Option in a Select tag carry multiple values?
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I was actually wondering this today, and I achieved it by using the php explode function, like this:
HTML Form (in a file I named 'doublevalue.php':
<form name="car_form" method="post" action="doublevalue_action.php">
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MySQL INSERT INTO table VALUES.. vs INSERT INTO table SET
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I think the extension is intended to allow a similar syntax for inserts and updates. In Oracle, a similar syntactical trick is:
UPDATE table SET (col1, col2) = (SELECT val1, val2 FROM dual)
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