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【最全】CSS响应式布局的5种实现方式 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...相对于自身的宽度
缺点：
计算困难，如果我们要定义一个元素的宽度和高度，按照设计稿，必须换算成百分比单位。
二、媒体查询布局
通过@media 媒体查询，可以通过给不同屏幕的大小编写不同的样式来实现响应式的布局...
Is [UIScreen mainScreen].bounds.size becoming orientation-dependent in iOS8?
I ran the following code in both iOS 7 and iOS 8:
18 Answers
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How to handle back button in activity
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"finish()" closes your current activity only. You need to handle going back to your previous activity by using intent. Btw, your previous activity should still be open if you did not "finish()" it when navigating from it previously.
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Releasing memory in Python
...l me what you get. Here's the link for psutil.Process.memory_info.
import os
import gc
import psutil
proc = psutil.Process(os.getpid())
gc.collect()
mem0 = proc.get_memory_info().rss
# create approx. 10**7 int objects and pointers
foo = ['abc' for x in range(10**7)]
mem1 = proc.get_memory_info()....
Highlight text similar to grep, but don't filter out text [duplicate]
...but won't get printed/highlighted since it's not a character.
(Note that most of the setups will use --color by default. You may not need that flag).
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How can I output a UTF-8 CSV in PHP that Excel will read properly?
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To quote a Microsoft support engineer,
Excel for Mac does not currently support UTF-8
Update, 2017: This is true of all versions of Microsoft Excel for Mac before Office 2016. Newer versions (from Office 365) do now support UTF-8.
In...
What is the easiest way to get current GMT time in Unix timestamp format?
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Output:
1369550494.884832
For the standard CPython implementation on most platforms this will return a UTC value.
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What's so wrong about using GC.Collect()?
...one of these things that respectable programmers wouldn't ever use, even those who don't even know what it is for.
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Mocking python function based on input arguments
...h in ['/var/log', '/var/log/apache2', '/var/log/tomcat']
with mock.patch('os.path.isdir') as os_path_isdir:
os_path_isdir.side_effect = mock_isdir
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How to install therubyracer gem on 10.10 Yosemite?
I don't manage to install therubyracer gem on Yosemite 10.10.
18 Answers
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