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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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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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Copy existing project with a new name in Android Studio

... I've selected the base package folder and clicked Refactor -> Rename, I got errors with "package rename" option, then I did "folder rename" option with success. – Ismail Yavuz May 23 '19 a...
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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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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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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 ...
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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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Multi-statement Table Valued Function vs Inline Table Valued Function

...statement table valued function (MSTVF) even if they both simply execute a SELECT statement. SQL Server will treat an ITVF somewhat like a VIEW in that it will calculate an execution plan using the latest statistics on the tables in question. A MSTVF is equivalent to stuffing the entire contents of ...