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How to set a Fragment tag by code?
I haven't found something like setTag(String tagName) method in the Fragment class. The only way to set a Fragment tag that I have found is by doing a FragmentTransaction and passing a tag name as parameter.
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Using Selenium Web Driver to retrieve value of a HTML input
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Note: Case matters. If you specify "Value", you'll get a 'null' value back. This is true for C# at least.
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Iterating through directories with Python
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The actual walk through the directories works as you have coded it. If you replace the contents of the inner loop with a simple print statement you can see that each file is found:
import os
rootdir = 'C:/Users/sid/Desktop/test'
for subd...
What is the difference between “ is None ” and “ ==None ”
...ree to implement
comparison any way it chooses, and it
can choose to make comparison against
None mean something (which actually
makes sense; if someone told you to
implement the None object from
scratch, how else would you get it to
compare True against itself?).
Practically-speakin...
What are the differences between “generic” types in C++ and Java?
...cify a type if you want to call methods on the objects passed, something like:
<T extends Something> T sum(T a, T b) { return a.add ( b ); }
In C++ generic functions/classes can only be defined in headers, since the compiler generates different functions for different types (that it's invok...
How to pass argument to Makefile from command line?
How to pass argument to Makefile from command line?
4 Answers
4
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Nodejs - Redirect url
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Chetan SChetan S
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程序员保值的4个秘密 - 杂谈 - 清泛网 - 专注C/C++及内核技术
... Android 内核，能够熟练撰写各种驱动，那找个月薪五六十K的工作不成问题，百八十K都不在话下。惟其稀缺，所以保值。
算法
大部分程序员其实不懂算法，都是用框架里的模块拼积木。如果你妙悟算法真谛，那你就超越了90%...
How do different retention policies affect my annotations?
...onPolicy.SOURCE: Discard during
the compile. These annotations don't
make any sense after the compile has
completed, so they aren't written to
the bytecode.
Example: @Override, @SuppressWarnings
RetentionPolicy.CLASS: Discard during
class load. Useful when doing
bytecode-level post...
How to get the part of a file after the first line that matches a regular expression?
...ection meaning the first line matching the TERMINATE regular expression (like grep) to the end of the file ($), and p is the print command which prints the current line.
This will print from the line that follows the line matching TERMINATE till the end of the file:
(from AFTER the matching line to...