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Installing SciPy and NumPy using pip
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I am assuming Linux experience in my answer; I found that there are three prerequisites to getting pip install scipy to proceed nicely.
Go here: Installing SciPY
Follow the instructions to download, build and export the env variable for BLAS...
How to set a Header field on POST a form?
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It cannot be done - AFAIK.
However you may use for example jquery (although you can do it with plain javascript) to serialize the form and send (using AJAX) while adding your custom header.
Look at the jquery serialize which changes an HTML FORM into form-url-encoded values r...
Django-Admin: CharField as TextArea
...eld to be displayed, and then tell admin.ModelAdmin to use that form. For example:
from django import forms
class CabModelForm( forms.ModelForm ):
descr = forms.CharField( widget=forms.Textarea )
class Meta:
model = Cab
class Cab_Admin( admin.ModelAdmin ):
form = CabModelForm
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Fast permutation -> number -> permutation mapping algorithms
I have n elements. For the sake of an example, let's say, 7 elements, 1234567. I know there are 7! = 5040 permutations possible of these 7 elements.
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How to bring back “Browser mode” in IE11?
... mode had returned in final release of IE11. But there is a catch: it is next to useless, because it does not emulate conditional comments. For example, if you use them to enable HTML5 support in legacy IEs, you will no longer be able to debug your site in IE11.
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Javascript - removing undefined fields from an object [duplicate]
...ey => obj[key] === undefined && delete obj[key])
jsbin
Same example using if expression:
Object.keys(obj).forEach(key => {
if (obj[key] === undefined) {
delete obj[key];
}
});
If you want to remove the items from nested objects as well, you can use a recursive function:
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specify project file of a solution using msbuild
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msbuild test.sln /t:project /p:Configuration="Release" /p:Platform="x86" /p:BuildProjectReferences=false
Notice that what is assigned to /t is the project name in the solution, it can be different from the project file name.
Also, as stated in How to: Build specific targets in solutions by...
In a URL, should spaces be encoded using %20 or +? [duplicate]
In a URL, should I encode the spaces using %20 or + ? For example, in the following example, which one is correct?
6 Ans...
How do you auto format code in Visual Studio?
...These two are Edit.FormatSelection and Edit.FormatDocument.)
Note for OS X
On OS X use the CMD ⌘ key, not Ctrl:
To format a selection: CMD ⌘+K, CMD ⌘+F
To format a document:
CMD ⌘+K, CMD ⌘+D
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how to solve “ruby installation is missing psych” error?
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