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How do I find numeric columns in Pandas?

... You could use select_dtypes method of DataFrame. It includes two parameters include and exclude. So isNumeric would look like: numerics = ['int16', 'int32', 'int64', 'float16', 'float32', 'float64'] newdf = df.select_dtypes(include=numer...
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Hidden Features of Xcode 4

... View > Utilities > Code Snippet Library. To add a new code snippet, select some text in the editor view and drag it into the snippet library. You can either drag a snippet out and drop it in your code to use it, or, much more conveniently, assign a completion shortcut to it. When you type i...
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Selecting data frame rows based on partial string match in a column

I want to select rows from a data frame based on partial match of a string in a column, e.g. column 'x' contains the string "hsa". Using sqldf - if it had a like syntax - I would do something like: ...
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How to create relationships in MySQL

...s defined as the default storage engine,can check using command (mysql> SELECT @@default_storage_engine;) – Arun Feb 18 at 4:00 add a comment  |  ...
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Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi

...here ... Now, what's missing then ? On my system, I get this: mysql> select version(); +------------+ | version() | +------------+ | 5.5.21-log | +------------+ 1 row in set (0.00 sec) mysql> SHOW GRANTS FOR 'root'@'localhost'; +------------------------------------------------------------...
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Evenly space multiple views within a container view

...constraint: 4) Adjust the constraint added in #3 above as follows: a) select the constraint, b) remove the constant (set to 0), c) change the multiplier as follows: take the number of buttons + 1, and starting at the top, set the multiplier as buttonCountPlus1:1, and then buttonCountPlus1:2, ...
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...DWORD dwStyle = m_list.GetExtendedStyle(); dwStyle |= LVS_EX_FULLROWSELECT;//选中某行使整行高亮(只适用与report风格的listctrl) dwStyle |= LVS_EX_GRIDLINES;//网格线(只适用与report风格的listctrl) dwStyle |= LVS_EX_CHECKBOXES;//item前生成checkbox...
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Android: disabling highlight on listView click

... Add this to your xml: android:listSelector="@android:color/transparent" And for the problem this may work (I'm not sure and I don't know if there are better solutions): You could apply a ColorStateList to your TextView. ...
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What's a quick way to comment/uncomment lines in Vim?

... For those tasks I use most of the time block selection. Put your cursor on the first # character, press CtrlV (or CtrlQ for gVim), and go down until the last commented line and press x, that will delete all the # characters vertically. For commenting a block of text i...
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Images can't contain alpha channels or transparencies

...rt to PNG without alpha in Preview. Simply open your image, choose export, select PNG, uncheck Alpha, and click Save. Preview also support batch export if you open all your images at once. – Russell Ladd Jan 7 '15 at 6:23 ...