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How do you performance test JavaScript code?
...e user/client. For example, we had a project with an Ext accordion that expanded to show some data and then a few nested Ext grids. Everything was actually rendering pretty fast, no single operation took a long time, there was just a lot of information being rendered all at once, so it felt slow to...
Jackson Vs. Gson [closed]
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I did this research the last week and I ended up with the same 2 libraries. As I'm using Spring 3 (that adopts Jackson in its default Json view 'JacksonJsonView') it was more natural for me to do the same. The 2 lib are pretty much the same... at the end they...
Nested Models in Backbone.js, how to approach
...in the object, but all of that is actually pretty unmaintainable code IMO, and feels more of a hack than a solution.
Here's what I suggest for your example:
First define your Layout Model like so.
var layoutModel = Backbone.Model.extend({});
Then here's your image Model:
var imageModel = Backb...
Using String Format to show decimal up to 2 places or simple integer
...that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should display 100.20 similarly for 100.22 should be same .
I googled and came across some examples but they didn't match exactly what i wanted :
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How to resolve “Waiting for Debugger” message?
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Some devices will only let the debugger attach if the application has the android.permission.SET_DEBUG_APP permission set in its manifest file:
<manifest>
<uses-permission android:name="android.permission.SET_DEBUG_APP"></uses-permission>
</manifest>
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浅谈Heatmap：网页热点图生成原理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...技术被称作Heatmap，已经有网站提供此类服务，如：clickdensity，clicktale，crazyegg等等，甚至还有类似clickheat项目提供源代码供你直接使用。
不过最灵活的方案莫过于自己搞定，下面大概说说Heatmap的实现：
捕捉点击
当然，这需...
How to dump a dict to a json file?
...ay to do it.
In the second line of code the file result.json gets created and opened as the variable fp.
In the third line your dict sample gets written into the result.json!
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Java: Get first item from a collection
... That does the same thing, it just checks if it is a list first, and gets by index if it is. It also has some code to try to fail faster on an actual Collection (that is if the index is too large it tries to figure that out without iterating through the whole thing and throwing the excepti...
PostgreSQL ERROR: canceling statement due to conflict with recovery
...m getting the following error when running a query on a PostgreSQL db in standby mode. The query that causes the error works fine for 1 month but when you query for more than 1 month an error results.
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Automatic vertical scroll bar in WPF TextBlock?
..." />
Valid values for these two properties are Disabled, Auto, Hidden and Visible.
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