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Pandas: Setting no. of max rows
...ns inside of a block of code. Pass in the option name as a string followed by the value you want it to be. You may pass in any number of options in the same line:
with pd.option_context('display.max_rows', 100, 'display.max_columns', 10):
some pandas stuff
You can also reset an option back to...
Java synchronized static methods: lock on object or class
...ociated with the class. Thus access to class's static fields is controlled by a lock that's distinct from the lock for any instance of the class.
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How to center canvas in html5
...allows the browser to stretch and squeeze the picture. I solve the problem by having the text line just before the image_tag line centred (also getting rid of float: left;). I would have liked the text to be left aligned, but this is a minor inconvienence, that I can tolerate.
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T-SQL: Selecting rows to delete via joins
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I prefer to refer to the table in the first line by its alias. That is "Delete a" rather than "Delete TableA". In the case where you join the table with itself, it makes it clear which side you want to delete.
– Jeremy Stein
Jun 7 '1...
Breaking out of nested loops [duplicate]
...This generic solution that also works when the nested for loop is followed by other statements. E.g. when looping over a list of sentences and using several for loops to filter out specific sentences based on existence of specific words or numbers, before doing the actual work at the end of the oute...
How to create directory automatically on SD card
...n't remember what was the difference but I think there were some edits ... By the way I mentioned that I used his answer to get the solution
– Amt87
Jul 15 '13 at 8:23
add a c...
“A lambda expression with a statement body cannot be converted to an expression tree”
...e like SQL server or others. This lazy loading execution type were achieve by implementing IQueryable where its expect delegate is being wrapped in Expression type class like below.
Expression<Func<TParam,TResult>>
Expression tree do not support lambda expression with body and its on...
Insert auto increment primary key to existing table
...ijaySharma If you created the row with auto-increment and must retrieve it by id immediately, MySQL offers LAST_INSERT_ID() for that value SELECT * FROM table_name WHERE id = LAST_INSERT_ID() and most programming language APIs offer some function/method to return that value in the application code.
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java.lang.IllegalStateException: The specified child already has a parent
... edited Jul 18 '14 at 8:38
Baby Groot
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answered Jul 18 '14 at 7:52
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how to get request path with express req object
... Anyone getting here on 4.0, req.url is designed to be mutable by middleware for re-routing purposes, and req.path could be missing mounting points depending upon where it's called. expressjs.com/en/api.html#req.originalUrl
– Christian Davis
Jul 21 ...