大约有 4,500 项符合查询结果（耗时：0.0229秒） [XML]
Why cast an unused function parameter value to void?
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When to use “ON UPDATE CASCADE”
I use "ON DELETE CASCADE" regularly but I never use "ON UPDATE CASCADE" as I am not so sure in what situation it will be useful.
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HTML-encoding lost when attribute read from input field
I’m using JavaScript to pull a value out from a hidden field and display it in a textbox. The value in the hidden field is encoded.
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Determine if a function exists in bash
Currently I'm doing some unit tests which are executed from bash. Unit tests are initialized, executed and cleaned up in a bash script. This script usualy contains an init(), execute() and cleanup() functions. But they are not mandatory. I'd like to test if they are or are not defined.
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Converting JSONarray to ArrayList
I am downloading a JSON string and converting it to JSONArray. Im putting it into a listview and need to be able to delete from that listview later, and since JSONArray has no .remove method (Thanks Obama), I am trying to convert it to an arraylist.
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Accessing nested JavaScript objects and arays by string path
I have a data structure like this :
36 Answers
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How to impose maxlength on textArea in HTML using JavaScript
I would like to have some functionality by which if I write
15 Answers
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How to clear APC cache entries?
I need to clear all APC cache entries when I deploy a new version of the site.
APC.php has a button for clearing all opcode caches, but I don't see buttons for clearing all User Entries, or all System Entries, or all Per-Directory Entries.
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Why does datetime.datetime.utcnow() not contain timezone information?
Why does this datetime not have any timezone info given that it is explicitly a UTC datetime ?
9 Answers
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Android Facebook integration with invalid key hash
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