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check if variable is dataframe
...eritance (see What are the differences between type() and isinstance()?). For example, it will tell you if a variable is a string (either str or unicode), because they derive from basestring)
if isinstance(obj, basestring):
i_am_string(obj)
Specifically for pandas DataFrame objects:
import p...
What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
...What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide characters?
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What are the complexity guarantees of the standard containers?
Apparently ;-) the standard containers provide some form of guarantees.
3 Answers
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Version of Apache installed on a Debian machine
....7
Compiled using: APR 1.2.7, APR-Util 1.2.7
... etc ...
If it does not work for you, run the command with sudo.
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How to find if a given key exists in a C++ std::map
...meding There is only a single key in a std::map. So count will either be 0 or 1. Is one more efficient than the other?
– goelakash
Jul 17 '15 at 7:38
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what's the meaning of '=?' in angularJS directive isolate scope declaration?
...operties derived from the parent scope. These local properties are useful for aliasing values for templates. Locals definition is a hash of local scope property to its source:
= or =attr - set up bi-directional binding between a local scope
property and the parent scope property of name de...
MVC pattern on Android
Is it possible to implement the model–view–controller pattern in Java for Android?
21 Answers
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What does it mean to hydrate an object?
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With respect to the more generic term hydrate
Hydrating an object is taking an object that exists in memory, that doesn't yet contain any domain data ("real" data), and then populating it with domain data (such as from a database, from the netwo...
Is embedding background image data into CSS as Base64 good or bad practice?
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It's not a good idea when you want your images and style information to be cached separately. Also if you encode a large image or a significant number of images in to your css file it will take the browser longer to download the file leaving your site without any of the style informa...