大约有 42,000 项符合查询结果(耗时:0.0499秒) [XML]

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Java how to replace 2 or more spaces with single space in string and delete leading and trailing spa

...pace - it just hides it by moving the start and end values. The underlying char[] remains unchanged.) – corsiKa May 28 '10 at 21:02 2 ...
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Why don't structs support inheritance?

...hat short[] can't be converted to int[] (short of conversion code, like 'a.Select(x => (int) x).ToArray()'). If the runtime disallowed the cast from Base to Derived, it would be a "wart", as that IS allowed for reference types. So we have two different "warts" possible -- forbid struct inherita...
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How to search a Git repository by commit message?

...Cgreen%H %Cblue%s\n%b%Creset\" --name-status --grep. Note the --all and %b chars. Thx @AshleyCoolman for the reset tip. – arcol Feb 22 '16 at 14:27 1 ...
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Extract file basename without path and extension in bash [duplicate]

...til item #7 below). 1st pattern: *\/ matches anything before a literal "/" char. pattern separator | which in this instance acts like a logical OR. 2nd pattern: .* matches anything after a literal "." -- that is, in bash the "." is just a period char, and not a regex dot. ) end pattern list. } end ...
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Reasons for using the set.seed function

... The char2seed function in the TeachingDemos package allows you to set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each studen...
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What is the difference between sigaction and signal?

...s defined in the C standard. Nevertheless, it has a number of undesirable characteristics that sigaction() avoids - unless you use the flags explicitly added to sigaction() to allow it to faithfully simulate the old signal() behaviour. The signal() function does not (necessarily) block other signa...
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Is it better to use std::memcpy() or std::copy() in terms to performance?

...in as large of chunks as possible (many other implementations operate with char / char *, whereas I operate with T / T * (where T is the largest type in the user's implementation that has correct overflow behavior), so fast memory access on the largest types I can is central to the performance of my...
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How to manually expand a special variable (ex: ~ tilde) in bash

...safer and better solutions. Preferably, I'd go with either of these two: Charle's Duffy's solution Håkon Hægland's solution Original answer for historic purposes (but please don't use this) If I'm not mistaken, "~" will not be expanded by a bash script in that manner because it is treated a...
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How to resolve symbolic links in a shell script

...andards, pwd -P should return the path with symlinks resolved. C function char *getcwd(char *buf, size_t size) from unistd.h should have the same behaviour. getcwd pwd share | improve this answer ...
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What is the difference between Ruby 1.8 and Ruby 1.9

...ow if statements do not introduce scope in Ruby. What's changed? Single character strings. Ruby 1.9 irb(main):001:0> ?c => "c" Ruby 1.8.6 irb(main):001:0> ?c => 99 String index. Ruby 1.9 irb(main):001:0> "cat"[1] => "a" Ruby 1.8.6 irb(main):001:0> "cat"[1] =>...