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install / uninstall APKs programmatically (PackageManager vs Intents)
... As I said, these are not available to third party applications. If you are making your own system image, you have the platform implementation, and you can find the functions there, but they are not part of the APIs available to normal third party apps.
– hackbod
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How to create PDF files in Python [closed]
...e. (Source: Ctrl+F through its documentation page)
Which is great, but not if you have images that are not already embedded in a PDF.
pyPDF2 doesn't seem to have any extra documentation on top of pyPDF.
ReportLab is very extensive. (Userguide) However, with a bit of Ctrl+F and grepping through its s...
The performance impact of using instanceof in Java
...now that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ?
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C/C++中退出线程的几种方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...么决不应该调用ExitThread。应该使用Visual C++运行期库函数_endthreadex。如果不使用Microsoft的Visual C++编译器，你的编译器供应商有它自己的ExitThread的替代函数。不管这个替代函数是什么，都必须使用。
3、TerminateThread函数
调用Te...
Reverse engineering from an APK file to a project
...ful tools which will generate Java code (rough but good enough) from an unknown APK file.
Download dex2jar tool from dex2jar.
Use the tool to convert the APK file to JAR:
$ d2j-dex2jar.bat demo.apk
dex2jar demo.apk -> ./demo-dex2jar.jar
Once the JAR file is generated, use JD-GUI to open the J...
How to subtract X days from a date using Java calendar?
Anyone know a simple way using Java calendar to subtract X days from a date?
10 Answers
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Convert python datetime to epoch with strftime
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import time
from datetime import datetime
now = datetime.now()
time.mktime(now.timetuple())
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AddBusinessDays and GetBusinessDays
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using Fluent DateTime:
var now = DateTime.Now;
var dateTime1 = now.AddBusinessDays(3);
var dateTime2 = now.SubtractBusinessDays(5);
internal code is as follows
/// <summary>
/// Adds the given number of business days to the <see cre...
How do I change the root directory of an apache server? [closed]
Does anyone know how to change the document root of the Apache server? I basically want localhost to come from /users/spencer/projects directory instead of /var/www .
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Center content of UIScrollView when smaller
...IImageView inside a UIScrollView which I use for zooming and scrolling. If the image / content of the scroll view is bigger than the scroll view, everything works fine. However, when the image becomes smaller than the scroll view, it sticks to the top left corner of the scroll view. I would like ...