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How to estimate how much memory a Pandas' DataFrame will need?

I have been wondering... If I am reading, say, a 400MB csv file into a pandas dataframe (using read_csv or read_table), is there any way to guesstimate how much memory this will need? Just trying to get a better feel of data frames and memory... ...
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Django using get_user_model vs settings.AUTH_USER_MODEL

... into the app cache. It might work in your specific setup, but it is a hit-and-miss scenario. If you change some settings (e.g. the order of INSTALLED_APPS) it might very well break the import and you will have to spend additional time debugging. settings.AUTH_USER_MODEL will pass a string as the f...
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How can I get a Bootstrap column to span multiple rows?

... How would you make boxes four and five fill the row's height as box one grows? – Imran NZ Oct 20 '15 at 19:20 2 ...
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How can I ask the Selenium-WebDriver to wait for few seconds in Java?

... Well, there are two types of wait: explicit and implicit wait. The idea of explicit wait is WebDriverWait.until(condition-that-finds-the-element); The concept of implicit wait is driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS); You can get diff...
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How do I temporarily disable triggers in PostgreSQL?

I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis. ...
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How to get a list of column names on Sqlite3 database?

... Just to put this into code terms for SQLiteDatabase on Android, write db.rawQuery("PRAGMA table_info(" + tablename + ")", null); – Noumenon Jun 8 '13 at 14:14 4...
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How to vertical align an inline-block in a line of text?

I want to create an inline-block that will take on some unknown width and height. (It'll have a table inside it with content dynamically generated). Further, the inline-block should be placed inside a line of text, such as "my text (BLOCK HERE)". To make it look pretty, I'm trying to make the blo...
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Accessing outside variable using anonymous function as params

Basically I use this handy function to processing db rows (close an eye on PDO and/or other stuff) 2 Answers ...
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How can I get an http response body as a string in Java?

...g/httpclient-legacy/apidocs/org/apache/commons/httpclient/HttpMethod.html and an example here: 12 Answers ...
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How can I force gradle to redownload dependencies?

... Generally, you can refresh dependencies in your cache with the command line option --refresh-dependencies. You can also delete the cached files under ~/.gradle/caches. With the next build Gradle would attempt to download them again. What is your specific use case? Do you use dynamic depende...