大约有 47,000 项符合查询结果(耗时:0.0721秒) [XML]

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Does a dot have to be escaped in a character class (square brackets) of a regular expression?

A dot . in a regular expression matches any single character. In order for regex to match a dot, the dot has to be escaped: \. ...
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Best approach to converting Boolean object to string in java

I am trying to convert boolean to string type... 7 Answers 7 ...
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MySQL - Get row number on select

Can I run a select statement and get the row number if the items are sorted? 5 Answers ...
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Is there a python equivalent of Ruby's 'rvm'?

Q: Do we have anything functionally equivalent in Python to the Ruby version manager 'rvm' ? 6 Answers ...
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How to prepend a string to a column value in MySQL?

I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value. ...
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Are nullable types reference types?

When I declare an int as nullable 6 Answers 6 ...
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Resumable downloads when using PHP to send the file?

We are using a PHP scripting for tunnelling file downloads, since we don't want to expose the absolute path of downloadable file: ...
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Boolean vs tinyint(1) for boolean values in MySQL

What column type is best to use in a MySQL database for boolean values? I use boolean but my colleague uses tinyint(1) . ...
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Showing Difference between two datetime values in hours

I am retrieving two date time values from the database. Once the value is retrieved, I need the difference between the two values. For that, I create a timespan variable to store the difference of the 2 date values. ...
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Convert datetime object to a String of date only in Python

I see a lot on converting a date string to an datetime object in Python, but I want to go the other way. I've got 11 A...