大约有 40,000 项符合查询结果(耗时:0.0477秒) [XML]

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Is the ternary operator faster than an “if” condition in Java [duplicate]

...one to " if-conditional syndrome " which means I tend to use if conditions all the time. I rarely ever use the ternary operator. For instance: ...
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How to clone an InputStream?

... If all you want to do is read the same information more than once, and the input data is small enough to fit into memory, you can copy the data from your InputStream to a ByteArrayOutputStream. Then you can obtain the associate...
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The definitive guide to form-based website authentication [closed]

...ns for sound practical auth, and how to avoid the most common security pitfalls. To HTTPS or not to HTTPS? Unless the connection is already secure (that is, tunneled through HTTPS using SSL/TLS), your login form values will be sent in cleartext, which allows anyone eavesdropping on the line between ...
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How can I remove all text after a character in bash?

How can I remove all text after a character, in this case a colon (":"), in bash? Can I remove the colon, too? I have no idea how to. ...
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Setting the filter to an OpenFileDialog to allow the typical image formats?

I have this code, how can I allow it to accept all typical image formats? PNG, JPEG, JPG, GIF? 11 Answers ...
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Can I write a CSS selector selecting elements NOT having a certain class or attribute?

I would like to write a CSS selector rule that selects all elements that don't have a certain class. For example, given the following HTML: ...
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Replacing instances of a character in a string

...lace in: line = line[:10].replace(';', ':') + line[10:] That'll replace all semi-colons in the first 10 characters of the string. share | improve this answer | follow ...
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How do I deploy Node.js applications as a single executable file? [duplicate]

...ourse, I want to make it easy for the user, hence I do not want him to install Node.js, run npm install and then manually type node app.js . ...
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How does password salt help against a rainbow table attack?

... attack. However, the methods I've seen to implement this don't seem to really make the problem harder. 10 Answers ...
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In .NET, which loop runs faster, 'for' or 'foreach'?

...heaper than looping on List using foreach (which I believe, is what we all do). share | improve this answer | follow | ...