大约有 47,000 项符合查询结果（耗时：0.0637秒） [XML]
Difference between android-support-v7-appcompat and android-support-v4
I wanted to know the difference between android-support-v4.jar
and android-support-v7-appcompat.jar . If I want to add appcompat Action Bar in my application do I need to add both android-support-v7-appcompat.jar and android-support-v4.jar or only android-support-v7-appcompat.jar .
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What are invalid characters in XML
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The only illegal characters are &, < and > (as well as " or ' in attributes).
They're escaped using XML entities, in this case you want &amp; for &.
Really, though, you should use a tool or library that writes XML for you and abstracts this kind of ...
What is a difference between
What is the difference between <? super E> and <? extends E> ?
9 Answers
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HTML Entity Decode [duplicate]
How do I encode and decode HTML entities using JavaScript or JQuery?
17 Answers
17
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Closing multiple issues in Github with a commit message
...rest of commit message.
The closes clauses can be anywhere in the message and fixes is a valid synonym:
This fixes a memory leak in foo() that closes #4,
also fixes #5 which is a duplicate.
The following used to work, but nowadays only references issues #2 and #3.
Closes #1, #2, #3
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When is SQLiteOpenHelper onCreate() / onUpgrade() run?
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SQLiteOpenHelper onCreate() and onUpgrade() callbacks are invoked when the database is actually opened, for example by a call to getWritableDatabase(). The database is not opened when the database helper object itself is created.
SQLiteOpenHelper versi...
How do I convert a pandas Series or index to a Numpy array? [duplicate]
...d for a conversion.
Note: This attribute is also available for many other pandas' objects.
In [3]: df['A'].values
Out[3]: Out[16]: array([1, 2, 3])
To get the index as a list, call tolist:
In [4]: df.index.tolist()
Out[4]: ['a', 'b', 'c']
And similarly, for columns.
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How do I “decompile” Java class files? [closed]
...ly of this age only. Written in C++, so very fast.
Outdated, unsupported and does not decompile correctly Java 5 and later
So your mileage may vary with recent jdk (7, 8).
The same site list other tools.
And javadecompiler, as noted by Salvador Valencia in the comments (Sept 2017), offers a Sa...
Converting bytes to megabytes
... it is not correct actually because mega means 1 000 000. There is a new standard name for 220 bytes, it is mebibyte (http://en.wikipedia.org/wiki/Mebibyte) and it gathers popularity.
share
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improv...
pip broke. how to fix DistributionNotFound error?
...he reason is because as @Stephan said, I use easy_install to install pip, and the mixture of both py package manage tools led to the pkg_resources.DistributionNotFound problem.
The resolve is:
easy_install --upgrade pip
Remember: just use one of the above tools to manage your Py packages.
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