大约有 47,000 项符合查询结果(耗时:0.0625秒) [XML]

https://stackoverflow.com/ques... 

Reduce, fold or scan (Left/Right)?

... operator's two arguments). This way we can cumulate a result. reduceLeft and reduceRight cumulate a single result. foldLeft and foldRight cumulate a single result using a start value. scanLeft and scanRight cumulate a collection of intermediate cumulative results using a start value. Accumulate...
https://stackoverflow.com/ques... 

C# 5 async CTP: why is internal “state” set to 0 in generated code before EndAwait call?

..." feature, in particular delving into what the generated code looked like, and the GetAwaiter() / BeginAwait() / EndAwait() calls. ...
https://stackoverflow.com/ques... 

Build a Basic Python Iterator

...ator protocol, which basically means they provide two methods: __iter__() and __next__(). The __iter__ returns the iterator object and is implicitly called at the start of loops. The __next__() method returns the next value and is implicitly called at each loop increment. This method raises a...
https://stackoverflow.com/ques... 

Lost connection to MySQL server at 'reading initial communication packet', system error: 0

...ests that it might be a firewall problem: I have just had this problem and found it was my firewall. I use PCTools Firewall Plus and it wasn't allowing full access to MySQL. Once I changed that it was fine. Hope that helps. Could that be it? Also, someone here suggests that it might be becaus...
https://stackoverflow.com/ques... 

How do I do base64 encoding on iOS?

I'd like to do base64 encoding and decoding, but I could not find any support from the iPhone SDK . How can I do base64 encoding and decoding with or without a library? ...
https://stackoverflow.com/ques... 

JavaScript “new Array(n)” and “Array.prototype.map” weirdness

I've observed this in Firefox-3.5.7/Firebug-1.5.3 and Firefox-3.6.16/Firebug-1.6.2 14 Answers ...
https://stackoverflow.com/ques... 

How can I get zoom functionality for images?

Is there a common way to show a big image and enable the user to zoom in and out and pan the image? 13 Answers ...
https://stackoverflow.com/ques... 

Bash script to calculate time elapsed

...a script in bash to calculate the time elapsed for the execution of my commands, consider: 10 Answers ...
https://stackoverflow.com/ques... 

Formatting code snippets for blogging on Blogger [closed]

My blog is hosted on Blogger and I frequently post code snippets in C / C# / Java / XML etc. but I find the snippet gets "mangled". ...
https://stackoverflow.com/ques... 

How to make IPython notebook matplotlib plot inline

I am trying to use IPython notebook on MacOS X with Python 2.7.2 and IPython 1.1.0. 10 Answers ...