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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ace objects, 0(0B) LOS objects, 75% free, 23MB/95MB, paused 2.227ms total 101.692ms
......
我们知道，类似上面logcat打印一样，触发垃圾回收的主要原因有以下几种：
GC_MALLOC——内存分配失败时触发；
GC_CONCURRENT——当分配的对象大小超过...
Best way to get InnerXml of an XElement?
...might contain either XHTML or text, but I just want its contents in string form. The XmlElement type has the InnerXml property which is exactly what I'm after.
...
How can I SELECT rows with MAX(Column value), DISTINCT by another column in SQL?
...03/2009 | ... |
| 7 | 13 | 24/12/2008 | borat | 600 | 8 | 13 | 01/01/2009 | ... |
| 8 | 13 | 01/01/2009 | borat | 700 | NULL | NULL | NULL | ... | *
+------------------------------------------+--------------------------------+
Finally, the WHERE clause keeps only the pairs...
How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?
... list of one or more patterns separated by a |. Composite patterns may be formed using one or more of the following sub-patterns:
?(pattern-list)
Matches zero or one occurrence of the given patterns
*(pattern-list)
Matches zero or more occurrences of the given patterns
+(pattern...
Format XML string to print friendly XML string
...e XmlDocument with the XML.
document.LoadXml(xml);
writer.Formatting = Formatting.Indented;
// Write the XML into a formatting XmlTextWriter
document.WriteContentTo(writer);
writer.Flush();
mStream.Flush();
// Have to rewind the MemoryStream...
Undoing a 'git push'
...n't mess with the space-time continuum.
– Alien Life Form
Sep 14 '15 at 22:36
9
What is the + for...
What exactly is an Assembly in C# or .NET?
...thermore, the assembly also contains metadata in the assembly manifest - information like version number, strong name, culture, referenced assemblies and so forth.
In 99% of your cases, one assembly equals a physical file on disk - the case of a multi-file assembly (one assembly, distributed acros...
URL: Username with @
...here str is your password (or username) and then use the encoded result to form url with password.
Hope this saves you some time.
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Permanently add a directory to PYTHONPATH?
...e PYTHONPATH, separated by a colon from previous contents thereof. In any form of Unix, you can do that in a startup script appropriate to whatever shell you're using (.profile or whatever, depending on your favorite shell) with a command which, again, depends on the shell in question; in Windows, ...
How do I create a multiline Python string with inline variables?
...
The common way is the format() function:
>>> s = "This is an {example} with {vars}".format(vars="variables", example="example")
>>> s
'This is an example with variables'
It works fine with a multi-line format string:
>>...