大约有 41,000 项符合查询结果(耗时:0.0422秒) [XML]

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To ARC or not to ARC? What are the pros and cons? [closed]

I've yet to use ARC, since the majority of the code in the project I'm working on at the moment was written pre-iOS 5.0. 6...
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How can I clear an HTML file input with JavaScript?

I want to clear the file input in my form. 18 Answers 18 ...
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NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream

I have Puma running as the upstream app server and Riak as my background db cluster. When I send a request that map-reduces a chunk of data for about 25K users and returns it from Riak to the app, I get an error in the Nginx log: ...
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Generating Random Passwords

When a user on our site loses his password and heads off to the Lost Password page we need to give him a new temporary password. I don't really mind how random this is, or if it matches all the "needed" strong password rules, all I want to do is give them a password that they can change later. ...
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My Git repository is in the wrong root directory. Can I move it? (../ instead of ./)

Somehow when I git init ed my latest project a month or so ago I ran the command in the directory one directory higher than the root of my project. ...
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Javascript regex returning true.. then false.. then true.. etc [duplicate]

I have a strange problem with the validation I am writing on a form. It is a 'Check Username' button next to an input. The input default value is the username for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected...
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How do I search for an object by its ObjectId in the mongo console?

I've found this question answered for C# and Perl, but not in the native interface. I thought this would work: 12 Answers ...
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When to use enumerateObjectsUsingBlock vs. for

Besides the obvious differences: 6 Answers 6 ...
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Best way to define error codes/strings in Java?

I am writing a web service in Java, and I am trying to figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web ser...
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Prevent scroll-bar from adding-up to the Width of page on Chrome

I have a small issue trying to keep my .html pages at a consistent width on Chrome, For example I have a page (1) with lots of contents that overflows the viewport's (right word?) height, so there's a vertical scroll-bar on that page (1). On page (2) i have the same layout (menus, divs,...etc) but l...