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How to get the last element of an array in Ruby?
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Let's not forget the convenient Array#last, too :) [1,2,3].last #=> 3
– Lee Jarvis
Dec 26 '11 at 23:09
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How to change the default font size in ggplot2
...le to change some default parameters of ggplot2 graphics, like font size for instance, for a whole R session. The idea is to avoid setting them for each plot.
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How do I create a new GitHub repo from a branch in an existing repo?
...ll works.
Update 2018-01-11: Updated step 3. to use GitHub recommendation for https protocol. Recipe still works.
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libcurl的使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...库。
CURL_GLOBAL_NOTHING //没有额外的初始化。
2）void curl_global_cleanup(void);
描述：在结束libcurl使用的时候，用来对curl_global_init做的工作清理。类似于close的函数。
3.char *curl_version( );
描述: 打印当前libcurl库的版本。
4）CURL ...
How can I run a directive after the dom has finished rendering?
...eight() );
});
}
Explanations how it works: one, two.
Don't forget to inject $timeout in your directive:
.directive('sticky', function($timeout)
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Comparing two CGRects
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See the documentation for CGRectEqualToRect().
bool CGRectEqualToRect ( CGRect rect1, CGRect rect2 );
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Custom dealloc and ARC (Objective-C)
...ou simply do not call [super dealloc] explicitly - the compiler handles it for you (as described in the Clang LLVM ARC document, chapter 7.1.2):
- (void) dealloc
{
[observer unregisterObject:self];
// [super dealloc]; //(provided by the compiler)
}
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Programmatically saving image to Django ImageField
... object.
Let me know if you have questions or need clarification.
Edit: for the sake of clarity, here is the model (minus any required import statements):
class CachedImage(models.Model):
url = models.CharField(max_length=255, unique=True)
photo = models.ImageField(upload_to=photo_path, ...
Get loop count inside a Python FOR loop
In a Python for loop that iterates over a list we can write:
5 Answers
5
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Default parameter for CancellationToken
...to deprecated. Even Microsoft is using default(CancellationToken) instead. For example, see these search results from the source code of the Entity Framework.
– drowa
Feb 12 '15 at 23:15
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