大约有 44,000 项符合查询结果(耗时:0.0466秒) [XML]

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Converting camel case to underscore case in ruby

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Formatting Phone Numbers in PHP

... SMS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database . ...
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What is the difference between an expression and a statement in Python?

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git: How to diff changed files versus previous versions after a pull?

... 159 There are all kinds of wonderful ways to specify commits - see the specifying revisions sectio...
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Python String and Integer concatenation [duplicate]

...he str() function instead. You can use : string = 'string' for i in range(11): string +=`i` print string It will print string012345678910. To get string0, string1 ..... string10 you can use this as @YOU suggested >>> string = "string" >>> [string+`i` for i in range(11)] Upd...
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Java HashMap performance optimization / alternative

...around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays into a number in base 52 I am guaranteed to get a unique hash code for every object: public int hashCode() { // assume that both a an...
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0

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find filenames NOT ending in specific extensions on Unix?

... | edited Jun 12 '12 at 16:37 T Zengerink 3,89555 gold badges2626 silver badges3131 bronze badges ...
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Integer division: How do you produce a double?

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Hash collision in git

... 111 Picking atoms on 10 Moons An SHA-1 hash is a 40 hex character string... that's 4 bits per char...