大约有 16,800 项符合查询结果(耗时:0.0264秒) [XML]

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TypeError: sequence item 0: expected string, int found

I am attempting to insert data from a dictionary into a database. I want to iterate over the values and format them accordingly, depending on the data type. Here is a snippet of the code I am using: ...
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How do you get a timestamp in JavaScript?

How can I get a timestamp in JavaScript? 39 Answers 39 ...
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Hidden features of HTML

HTML being the most widely used language (at least as a markup language) has not gotten its due credit. Considering that it has been around for so many years, things like the FORM / INPUT controls have still remained same with no new controls added. ...
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decimal vs double! - Which one should I use and when? [duplicate]

I keep seeing people using doubles in C#. I know I read somewhere that doubles sometimes lose precision. My question is when should a use a double and when should I use a decimal type? Which type is suitable for money computations? (ie. greater than $100 million) ...
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postgresql port confusion 5433 or 5432?

I have installed postgresql on OSX. When I run psql, I get 7 Answers 7 ...
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How to initialize/instantiate a custom UIView class with a XIB file in Swift

I have a class called MyClass which is a subclass of UIView , that I want to initialize with a XIB file. I am not sure how to initialize this class with the xib file called View.xib ...
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fork() branches more than expected?

Consider the following piece of code: 3 Answers 3 ...
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How to git reset --hard a subdirectory?

Imagine the following use case: I want to get rid of all changes in a specific subdirectory of my Git working tree, leaving all other subdirectories intact. ...
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How do I simulate a hover with a touch in touch enabled browsers?

With some HTML like this: 14 Answers 14 ...
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Where can I get a list of Ansible pre-defined variables?

I see that Ansible provide some pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me? ...