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Catch checked change event of a checkbox
How do I to catch check/uncheck event of <input type="checkbox" /> with jQuery?
9 Answers
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how to deal with google map inside of a hidden div (Updated picture)
i have a page and a google map is inside a hidden div at first. I then show the div after i click a link but only the top left of the map shows up.
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AngularJS multiple filter with custom filter function
I am trying to filter the list with multiple filters + with a custom filter function.
3 Answers
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How can I append a string to an existing field in MySQL?
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You need to use the CONCAT() function in MySQL for string concatenation:
UPDATE categories SET code = CONCAT(code, '_standard') WHERE id = 1;
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Performing user authentication in Java EE / JSF using j_security_check
I'm wondering what the current approach is regarding user authentication for a web application making use of JSF 2.0 (and if any components do exist) and Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold in a JPA entity. The Oracle Java EE tutorial is a bit spars...
How can I transition height: 0; to height: auto; using CSS?
I am trying to make a <ul> slide down using CSS transitions.
51 Answers
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PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...系统中把整数都当做64位来处理,有兴趣的可参考:64-bit integers in MongoDB。
那么PHP驱动真的完全解决了整数问题么?NO!在处理group操作的时候还有BUG:
为了说明问题,我们先来生成一些测试数据:
<?php
ini_set('mongo.native_long...
Deleting a Google App Engine application
...le Cloud console, you can still disable GAE applications as before (App Engine --> Settings --> Disable). They cannot currently be deleted. However you can delete the entire project by going to IAM --> Settings --> Shut Down. This button is in the header and a bit tricky to spot. It lo...
Facebook Post Link Image
When someone posts a link on facebook, a script usually scans that link for any images, and displays a quick thumbnail next to the post. For certain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page.
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Django Rest Framework: Dynamically return subset of fields
As recommended in the blogpost Best Practices for Designing a Pragmatic RESTful API , I would like to add a fields query parameter to a Django Rest Framework based API which enables the user to select only a subset of fields per resource.
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