大约有 38,000 项符合查询结果（耗时：0.0405秒） [XML]
Convert Set to List without creating new List
... @imrantariq: What you are requesting is impossible. read my edit for more details.
– amit
Jan 17 '12 at 10:09
It...
How can I concatenate regex literals in JavaScript?
...e + expression_two.source, flags);
// regex3 is now /foobar/gy
It's just more wordy than just having expression one and two being literal strings instead of literal regular expressions.
share
|
im...
What is bootstrapping?
...strapping" is also used as a term for building a system using itself -- or more correctly, a predecessor version. For example, ANTLR version 3 is written using a parser developed in ANTLR version 2.
share
|
...
Which characters make a URL invalid?
...rous, Yeah, I forgot to allow "%" escaped characters. It should've looked more like: /^([!#$&-;=?-[]_a-z~]|%[0-9a-fA-F]{2})+$/ Was there anything else that you found it should've been accepting? (Just to be clear, that regex only checks if the string contains valid URL characters, not if...
Prototypical inheritance - writing up [duplicate]
...ob => Employee.prototype => Person.prototype => Object.prototype (more on inheritance later).
Even though bob, ben and all other created Person instances share walk the function will behave differently per instance because in the walk function it uses this. The value of this will be the in...
Anonymous recursive PHP functions
...ed "fix" from functional languages. The fix function from Haskell is known more generally as the Y combinator, which is one of the most well-known fixed point combinators.
A fixed point is a value that is unchanged by a function: a fixed point of a function f is any x such that x = f(x). A fixed...
Purpose of Unions in C and C++
...ype punning (i.e. writing one member and then reading another) was given a more detailed definition in one of the Technical Corrigenda to the C99 standard (see DR#257 and DR#283). However, keep in mind that formally this does not protect you from running into undefined behavior by attempting to read...
What are the differences between 'call-template' and 'apply-templates' in XSL?
...tly processing.
If multiple templates can match a node, the one with the more specific match expression wins. If more than one matching template with the same specificity exist, the one declared last wins.
You can concentrate more on developing templates and need less time to do "plumbing". Your ...
Git - working on wrong branch - how to copy changes to existing topic branch
...
|
show 7 more comments
49
...
In Clojure 1.3, How to read and write a file
...urp:
(spit "/tmp/test.txt" "Line to be written" :append true)
PS: To be more explicit about the fact that you are reading and writing to a File and not something else, you could first create a File object and then coerce it into a BufferedReader or Writer:
(reader (file "/tmp/test.txt"))
;; or
(...