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How to align absolutely positioned element to center?

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How Do I Fetch All Old Items on an RSS Feed?

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What is the current directory in a batch file?

... edited Jun 20 at 9:12 Community♦ 111 silver badge answered Dec 12 '10 at 2:09 JRLJRL ...
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Python naming conventions for modules

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How to use GROUP BY to concatenate strings in MySQL?

...ROUP_CONCAT(name SEPARATOR ' ') FROM table GROUP BY id; http://dev.mysql.com/doc/refman/5.0/en/group-by-functions.html#function_group-concat From the link above, GROUP_CONCAT: This function returns a string result with the concatenated non-NULL values from a group. It returns NULL if there are no...
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云数据及Firebase组件简介 · App Inventor 2 中文网

...ar hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })(); 云数据及Firebase组件...
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Is python's sorted() function guaranteed to be stable?

... Isn't this what is expected in this case? Python is going to compare tuples through all elements by default, not just the first "primary" one. If you only want to sort on the first element, you can pass the key parameter explicitly. – Matias Grioni ...
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How to make a element expand or contract to its parent container?

... By default your svg will scale as large as possible so that it's completely visible but preserves it's aspect ratio (so a square viewBox won't completely fill a rectangular parent). If you really want to force it to completely cover the parent container, add preserveAspectRatio="none" to ...
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Assign pandas dataframe column dtypes

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How to create Gmail filter searching for text only at start of subject line?

...t can be done (copy the document, then Tools > Script Editor to get the complete source). You could also do this via IMAP as described here: Python IMAP search for partial subject and script something to move messages to different folder. The IMAP SEARCH verb only supports substrings, not reg...