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What is the difference between `new Object()` and object literal notation?
...done something unusual), other than that your second one creates an object and adds a property to it. But literal notation takes less space in the source code. It's clearly recognizable as to what is happening, so using new Object(), you are really just typing more and (in theory, if not optimized ...
__attribute__ - C/C++ - 清泛网 - 专注C/C++及内核技术
... Attribute）、变量属性（Variable Attribute）和类型属性（Type Attribute）。
__attribute__书写特征是：__attribute__前后都有两个下划线，并切后面会紧跟一对原括弧，括弧里面是相应的__attribute__参数。
__attribute__语法格式为：
__attribute...
How to convert hex to rgb using Java?
...cter case each value must be * 255 / 16. I tested this with "000", "aaa", and "fff", and they all work properly now.
– Andrew
Apr 14 '16 at 16:04
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What does PermGen actually stand for?
...n specific.
Briefly, it contains the Java objects associated with classes and interned strings. In Sun's client implementation with sharing on, classes.jsa is memory mapped to form the initial data, with about half read-only and half copy-on-write.
Java objects that are merely old are kept in the ...
ImportError: numpy.core.multiarray failed to import
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I was getting the same error and was able to solve it by updating my numpy installation to 1.8.0:
pip install -U numpy
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How do you keep parents of floated elements from collapsing? [duplicate]
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Solution 1:
The most reliable and unobtrusive method appears to be this:
Demo: http://jsfiddle.net/SO_AMK/wXaEH/
HTML:
<div class="clearfix">
<div style="float: left;">Div 1</div>
<div style="float: left;">Div 2</div...
Jump to editor shortcut in Intellij IDEA
...how hard I had to look for that information :)
– Alexander Torstling
May 3 '12 at 6:43
33
Hi! Tha...
How to create a MySQL hierarchical recursive query
... (select @pv := '19') initialisation
where find_in_set(parent_id, @pv)
and length(@pv := concat(@pv, ',', id))
Here is a fiddle.
Here, the value specified in @pv := '19' should be set to the id of the parent you want to select all the descendants of.
This will work also if a parent has m...
How do I properly clean up Excel interop objects?
I'm using the Excel interop in C# ( ApplicationClass ) and have placed the following code in my finally clause:
41 Answers
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Is there a zip-like function that pads to longest length in Python?
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In case you want to make your code both python 2 and python 3 compatible, you can use six.moves.zip_longest instead.
– Gamrix
Apr 14 '16 at 19:51
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