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Creating an empty Pandas DataFrame, then filling it?

...utocompletion), but that works with strings as date format, right? The overall approach works though (I changed index to something else). – Matthias Kauer Dec 15 '12 at 8:42 ...
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Check whether variable is number or string in JavaScript

...ject.prototype.toString; _.isString = function (obj) { return toString.call(obj) == '[object String]'; } This returns a boolean true for the following: _.isString("Jonathan"); // true _.isString(new String("Jonathan")); // true ...
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How to hide first section header in UITableView (grouped style)

... Actually, a better implementation (less likely to break in the future) is to use CGFLOAT_MIN instead of a hard-coded value. In other words, don't return 1.0f or 0.1f instead, return CGFLOAT_MIN If Apple ever changes the minimum a...
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Run git pull over all subdirectories [duplicate]

...t cd 'ing into each repo's root directory? I have the following which are all separate git repositories ( not submodules): ...
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Should I use the datetime or timestamp data type in MySQL?

... Timestamps in MySQL are generally used to track changes to records, and are often updated every time the record is changed. If you want to store a specific value you should use a datetime field. If you meant that you want to decide between using a UNIX ...
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Loading Backbone and Underscore using RequireJS

...bone and Underscore, it seems kind of tricky. For one, Underscore automatically registers itself as a module, but Backbone assumes Underscore is available globally. I should also note that Backbone doesn't seem to register itself as a module which makes it kind of inconsistent with the other libs. T...
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Executing injected by innerHTML after AJAX call

There's a div called "Content": 11 Answers 11 ...
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Multiple returns from a function

... Technically, you can't return more than one value. However, there are multiple ways to work around that limitation. The way that acts most like returning multiple values, is with the list keyword: function getXYZ() { return arr...
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MySQL OPTIMIZE all tables?

...ZE TABLE command which can be used to reclaim unused space in a MySQL install. Is there a way (built-in command or common stored procedure) to run this optimization for every table in the database and/or server install, or is this something you'd have to script up yourself? ...
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Where does PostgreSQL store the database?

...here the data directory is, use this query. show data_directory; To see all the run-time parameters, use show all; You can create tablespaces to store database objects in other parts of the filesystem. To see tablespaces, which might not be in that data directory, use this query. SELECT * FRO...