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how to check the dtype of a column in python pandas
I need to use different functions to treat numeric columns and string columns. What I am doing now is really dumb:
6 Answer...
Android Gallery on Android 4.4 (KitKat) returns different URI for Intent.ACTION_GET_CONTENT
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startActivityForResult(Intent.createChooser(intent, getResources().getString(R.string.select_picture)),GALLERY_INTENT_CALLED);
} else {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("image/jpeg");
startActiv...
Parse JSON in C#
...xt, although there are a number of examples out there with simplified JSON strings.
7 Answers
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...as to rewrite the pascal FOR loop myself in assembly, at which point these extra instructions no longer had a positive effect. Perhaps free pascal's generated code was harder for the processor to predict than the simple counter I replaced it with.
– tangentstorm
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Why is this program erroneously rejected by three C++ compilers?
...Image.open('helloworld.png') # Open image object using PIL
print image_to_string(image) # Run tesseract.exe on image
To use it, do:
python script.py > helloworld.cpp; g++ helloworld.cpp
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How to grep for two words existing on the same line? [duplicate]
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Use grep:
grep -wE "string1|String2|...." file_name
Or you can use:
echo string | grep -wE "string1|String2|...."
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jQuery Set Select Index
...te: .val(3) works as well for this example, but non-numeric values must be strings, so I chose a string for consistency.
(e.g. <option value="hello">Number3</option> requires you to use .val("hello"))
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Include only certain file types when searching in Visual Studio
...g box, go to "find options->Look at these file types".
Type in you own string, eg, *.cs, *.aspx, *.ascx. The click the "find all" button.
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fo...
What are the differences between SML and OCaml? [closed]
...a top-level primitive in SML; it's not part of the Caml library. The Caml string library doesn't provide a fold function (at least not as of version 3.08). Implementations of many of the Caml List functions are unsafe for very long lists; they blow the stack.
The type systems are subtly different:...
Read a variable in bash with a default value
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$1 becomes ${1:-some_default_string}
– ThorSummoner
Oct 24 '16 at 22:58
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