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Error: No default engine was specified and no extension was provided
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How can I search for a multiline pattern in a file?
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edited Nov 4 '14 at 3:45
TheDude
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Django: How do I add arbitrary html attributes to input fields on a form?
... and modify its widgets attributes. Here is some I used earlier to modify 3 fields: ``` for field_name in ['image', 'image_small', 'image_mobile']: field = self.fields.get(field_name) field.widget.attrs['data-file'] = 'file' ```
– Stuart Axon
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Is there a difference between x++ and ++x in java?
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293
++x is called preincrement while x++ is called postincrement.
int x = 5, y = 5;
System.out.pr...
图表组件 · App Inventor 2 中文网
...的逗号分隔（CSV）元素列表。值格式化如下：x1,y1,x2,y2,x3,y3。值成对获取， x 和 y 值形成一个条目。
标签
指定数据序列标签的文本。
线型
更改数据序列的线的类型，前提是数据组件附加到基于折线的图表（适用于面积图...
How to parse float with two decimal places in javascript?
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938
You can use toFixed() to do that
var twoPlacedFloat = parseFloat(yourString).toFixed(2)
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How to deep copy a list?
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E0_copy is not a deep copy. You don't make a deep copy using list() (Both list(...) and testLis...
How to select multiple files with ?
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130
New answer:
In HTML5 you can add the multiple attribute to select more than 1 file.
<input...
How long do browsers cache HTTP 301s?
I am debugging a problem with a HTTP 301 Permanent Redirect. After a quick test, it seems that Safari clears its cache of 301s when it is restarted, but Firefox does not.
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How to allocate aligned memory only using the standard library?
...d out that you can't do bit mask operations on pointers, and, indeed, GCC (3.4.6 and 4.3.1 tested) does complain like that. So, an amended version of the basic code — converted into a main program, follows. I've also taken the liberty of adding just 15 instead of 16, as has been pointed out. I'...