大约有 40,000 项符合查询结果(耗时:0.0824秒) [XML]

https://stackoverflow.com/ques... 

Changing selection in a select with the Chosen plugin

... From the "Updating Chosen Dynamically" section in the docs: You need to trigger the 'chosen:updated' event on the field $(document).ready(function() { $('select').chosen(); $('button').click(function() { $('select').val(2); $('sel...
https://stackoverflow.com/ques... 

Easy idiomatic way to define Ordering for a simple case class

...[...] to Ordered[TupleN[...]] provided an implicit Ordering[TN] exists for all elements T1, ..., TN of the tuple, which should always be the case because it makes no sense to sort on a data type with no Ordering. The implicit ordering for Tuples is your go-to for any sorting scenario involving a co...
https://stackoverflow.com/ques... 

C++ convert hex string to signed integer

...>> x; // output it as a signed type std::cout << static_cast<int>(x) << std::endl; } In the new C++11 standard, there are a few new utility functions which you can make use of! specifically, there is a family of "string to number" functions (http://en.cppreference.c...
https://stackoverflow.com/ques... 

Displaying better error message than “No JSON object could be decoded”

... also up on PYPI: https://pypi.python.org/pypi/rson/0.9 so you can use easy_install or pip to get it. for the example given by tom: >>> rson.loads('[1,2,]') ... rson.base.tokenizer.RSONDecodeError: Unexpected trailing comma: line 1, column 6, text ']' RSON is a designed to be a superset...
https://stackoverflow.com/ques... 

Career day in kindergarten: how to demonstrate programming in 20 minutes? [closed]

...a lot of paper towels on a table, and got out a loaf of (cheap) bread, a small tub of butter, a small jar of jelly, and a plastic butter knife. I said to the kids, "How many of you think computers are smart?" Most of them raised their hands. I said, "Computers are really dumb. People are smart. ...
https://stackoverflow.com/ques... 

How do I do an OR filter in a Django query?

... @alexis: you could also do Item.objects.filter(creator__in=creators), for example. – Kevin London Dec 9 '14 at 23:11 4 ...
https://stackoverflow.com/ques... 

What tools to automatically inline CSS style to create email HTML code? [closed]

... +1 for Premailer. It's got both a web form and an API which you can use to integrate it into any platform. If you're using node.js, there a wrapper here. – Jed Watson Oct 22 '12 at 14:16 ...
https://stackoverflow.com/ques... 

How to wait for a BackgroundWorker to cancel?

...Async(); _resetEvent.WaitOne(); // will block until _resetEvent.Set() call made } void worker_DoWork(object sender, DoWorkEventArgs e) { while(!e.Cancel) { // do something } _resetEvent.Set(); // signal that worker is done } ...
https://stackoverflow.com/ques... 

Converting NSString to NSDate (and back again)

...String = @"01-02-2010"; NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [dateFormatter setDateFormat:@"dd-MM-yyyy"]; NSDate *dateFromString = [dateFormatter dateFromString:dateString]; NSDate convert to NSString: NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init]; [d...
https://stackoverflow.com/ques... 

Python concatenate text files

...new file. I could open each file by f = open(...) , read line by line by calling f.readline() , and write each line into that new file. It doesn't seem very "elegant" to me, especially the part where I have to read//write line by line. ...