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Regular Expression: Any character that is NOT a letter or number
I'm trying to figure out the regular expression that will match any character that is not a letter or a number. So characters such as (,,@,£,() etc ...
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Performance optimization strategies of last resort [closed]
There are plenty of performance questions on this site already, but it occurs to me that almost all are very problem-specific and fairly narrow. And almost all repeat the advice to avoid premature optimization.
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Turn a string into a valid filename?
I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python.
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Why does dividing two int not yield the right value when assigned to double?
How come that in the following snippet
10 Answers
10
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IF… OR IF… in a windows batch file
Is there a way to write an IF OR IF conditional statement in a windows batch-file?
14 Answers
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What is polymorphism, what is it for, and how is it used?
What is polymorphism, what is it for, and how is it used?
28 Answers
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Difference between __str__ and __repr__?
What is the difference between __str__ and __repr__ in Python?
23 Answers
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jQuery.parseJSON throws “Invalid JSON” error due to escaped single quote in JSON
I’m making requests to my server using jQuery.post() and my server is returning JSON objects (like { "var": "value", ... } ). However, if any of the values contains a single quote (properly escaped like \' ), jQuery fails to parse an otherwise valid JSON string. Here’s an example of what I m...
Should I commit or rollback a read transaction?
I have a read query that I execute within a transaction so that I can specify the isolation level. Once the query is complete, what should I do?
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Discuz菜单栏下面广告怎么弄？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...局 页头二级导航栏广告：广告 HTML 代码如下:<div id="dzf" class="cl"><style type="text css"...后台“运营”、“站点广告”、“广告列表 - 全局 页头二级导航栏广告”：
广告 HTML 代码如下:
<div id="dzf" class="cl">
<style type="text/css">
#dzf{p...