大约有 16,000 项符合查询结果（耗时：0.0410秒） [XML]
Reading specific lines only
...gt;> import linecache
>>> linecache.getline('/etc/passwd', 4)
'sys:x:3:3:sys:/dev:/bin/sh\n'
Change the 4 to your desired line number, and you're on. Note that 4 would bring the fifth line as the count is zero-based.
If the file might be very large, and cause problems when read into m...
How to check if a string contains an element from a list in Python
...ll known help flags: any([x.lower() in ['-?','-h','--help', '/h'] for x in sys.argv[1:]])
– AXE Labs
May 29 '14 at 20:04
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How to get the Power of some Integer in Swift language?
... This is a completely valid answer. There are some instances where converting Ints to Doubles loses precision, and so that is not a viable solution for Int pow. Just try running Double(Int.max - 1) < Double(Int.max) in a Swift 3 REPL and you may be surprised.
– mklbt...
How can I find the latitude and longitude from address?
...Address is a string containing the address. The address variable holds the converted addresses.
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Convert NSData to String?
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Because the people that are here are converting a data response from a server to a string.
– Necro
Nov 21 '13 at 4:58
1
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Why shouldn't I use “Hungarian Notation”?
...s marked unsafe, so that it simply cannot be passed to a safe function. To convert from unsafe to safe should require processing with some kind of a sanitize function.
A lot of the things that Joel talks of as "kinds" are not kinds; they are, in fact, types.
What most languages lack, however, is a...
Move capture in lambda
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Note that in Visual Studio 2013, converting a std::bind to a std::function still results in it copying all the bound variables (myPointer in this case). Therefore the above code does not compile in VS2013. It woks fine in GCC 4.8 though.
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Convert a list of characters into a string
... the reason for this: in my program I recv a list of int from network then convert to string where map(ord,a) is unnecessary, but join needs map(chr,a). Here's my benchmark pastebin.com/1sKFm8ma
– bigeagle
Apr 8 '12 at 15:11
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How to add a string to a string[] array? There's no .Add function
I'd like to convert the FI.Name to a string and then add it to my array. How can I do this?
13 Answers
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Enable SQL Server Broker taking too long
...all the databases that have Service Broker enabled or disabled, then query sys.databases, for instance:
SELECT
name, database_id, is_broker_enabled
FROM sys.databases
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